Inventor
Kazuo Kobayashi
Inventor
Chiba, JP
Overview
Patents· 309 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer8%
Y10TTechnical subjects covered by former us classification5%
G11CStatic stores4%
B41JTypewriters3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C08JWorking-up3%
B82YSpecific uses or applications of nanostructures3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
H10NElectric solid-state devices not otherwise provided for2%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h102%
PatentTitleYear
11,022,326Heat source unit for refrigeration apparatus202110,340,439Method for manufacturing piezoelectric actuator20199,505,216'Liquid ejecting device and method of manufacturing liquid ejecting device'20169,455,197'Method for manufacturing silicon carbide semiconductor device'20169,394,412'Composite cured silicone powder and method for production thereof'20169,302,467'Laminated piezoelectric actuator for an ink-jet head'20169,159,585'Method of manufacturing semiconductor device'20159,153,505'Method for manufacturing SiC semiconductor device'20158,945,265'Compressor'20158,882,482'Compressor'20148,829,141'Emulsion, its manufacturing method and silicone oil composition'20148,732,921'Method for manufacturing piezoelectric actuator'20148,678,561'Liquid discharging head and method for producing the same'20148,460,058'Complex apparatus and method for polishing an ingot block'20138,409,825'Method for high-level secretory production of protein'20138,404,601'Method of manufacturing a semiconductor device'20138,366,514'Semiconductor substrate planarization apparatus and planarization method'20138,236,707'Method of manufacturing a semiconductor device'20128,232,377'Method for high-level secretory production of protein'20128,217,122'Silicone rubber powder and method of manufacturing thereof'20128,084,278'Method of manufacturing silicon carbide semiconductor device'20118,071,709'Composite material comprising flourine-containing rubber, fuel-impermeable sealing material comprising same, and process for preparing composite material'20118,047,897'Substrate flat grinding device'20118,044,498'Interposer, semiconductor chip mounted sub-board, and semiconductor package'20117,972,809'Methylotrophic yeast producing mammalian type sugar chain'20117,889,488'Electronic apparatus having lock unit'20117,882,635'Method for producing ink-jet head and ink-jet head'20117,867,638'Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus'20117,794,063'Liquid-droplet jetting head and liquid-droplet jetting apparatus'20107,790,806'Fluorine-containing resin composition inhibiting corrosiveness'20107,755,741'Substrate exposure apparatus and illumination apparatus'20107,732,989'Piezoelectric actuator with terminals on common plane, ink-jet head provided with the same, ink-jet printer, and method for manufacturing piezoelectric actuator'20107,723,835'Semiconductor device package structure'20107,703,278'Exhaust emission control device of internal combustion engine'20107,690,887'Turbo compressor'20107,665,774'Lock unit for foldable housing and electronic apparatus having the same'20107,633,488'Pointing device'20097,629,023'Rust inhibitor'20097,595,712'Pointing device'20097,579,166'Glycoprotein and process for producing the same'20097,565,723'Piezoelectric actuator and method of fabricating piezoelectric actuator'20097,540,084'Method for manufacturing ink-jet heads'20097,535,755'Magnetic memory device and method for fabricating the same'20097,502,013'Pointing device'20097,502,014'Pointing device'20097,489,296'Pointing device'20097,479,729'Piezoelectric actuator, ink-jet head provided with the same, ink-jet printer, and method for manufacturing piezoelectric actuator'20097,470,474'Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus including both oxide and non-oxide perpendicular magnetic layers'20087,466,526'Ferromagnetic tunnel junction, magnetic head using the same, magnetic recording device, and magnetic memory device'20087,438,776'Tape adhering method and tape adhering apparatus'20087,420,206'Interposer, semiconductor chip mounted sub-board, and semiconductor package'20087,399,803'Composite cured silicone powder, method for production thereof, and aqueous composition'20087,382,643'Magnetoresistive effect element and magnetic memory device'20087,350,350'Exhaust gas purifying apparatus'20087,313,913'Exhaust gas purification system of internal combustion engine'20087,290,867'Liquid delivering apparatus'20077,276,556'Aqueous suspension of cross-linked silicone particles and aqueous emulsion of oil containing cross-linked silicone particles'20077,249,413'Method for manufacturing inkjet printing head'20077,246,889'Inkjet printing head'20077,243,491'Exhaust gas purification system of internal combustion engine'20077,240,996'Liquid delivering apparatus'20077,238,087'Planarizing device and a planarization method for semiconductor substrates'20077,229,160'Liquid delivering apparatus and method of producing the same'20077,221,547'Magnetoresistive effect element, a magnetic head, and a magnetic reproducing apparatus therewith'20077,214,124'Equipment and method for polishing both sides of a rectangular substrate'20077,201,474'Liquid delivering apparatus and method of producing the same'20077,199,985'Magnetic sensor, magnetic head, magnetic encoder and hard disk device'20077,150,264'Control device for internal combustion engine'20067,101,080'Hydrostatic pressure linear guide device'20067,098,526'Bumped IC, display device and electronic device using the same'20067,098,118'Method and apparatus for machining substrate'20067,094,290'Light guiding plate manufacturing apparatus and light guiding plate manufacturing method'20067,084,866'Display driver apparatus, and electro-optical device and electronic equipment using the same'20067,064,267'Gas insulating apparatus and method for locating fault point thereof'20067,050,268'Disk drive with read IC chip and write IC chip mounted respectively on suspension and arm'20067,027,280'Gas insulating apparatus and method for locating fault point thereof'20066,978,819'Tubular label fitting apparatus for containers'20056,965,194'Vacuum fluorescent display having slit like openings'20056,927,785'Pulse width modulation signal generation circuit, data line drive circuit, electro-optical device, and electronic instrument'20056,914,011'Film deposition system and method of fabricating semiconductor device employing the film deposition system'20056,914,614'Color display method and semiconductor integrated circuit using the same'20056,903,400'Magnetoresistive memory apparatus'20056,863,590'Wafer planarization apparatus'20056,853,528'Gas insulating apparatus and method for locating fault point thereof'20056,850,399'Gas insulated device and failure rating method'20056,831,629'Pointing device'20046,818,157'Light guiding plate manufacturing apparatus and light guiding plate manufacturing method'20046,815,191'Endo--N-acetylglucosaminidase gene'20046,802,240'Booster'20046,783,223'Water base ink for ink-jet recording and ink-jet recording apparatus provided with the same'20046,741,434'Magnetic sensor and production method thereof, ferromagnetic tunnel junction element, and magnetic head'20046,734,083'Dicing method and dicing apparatus for dicing plate-like workpiece'20046,731,780'Fingerprint image judgment apparatus and program'20046,719,404'Method of fabricating ink-jet head'20046,712,053'Control system for internal combustion engine'20046,710,124'Water base coating material composition and production process'20046,634,724'Electrically driven brake booster'20036,630,704'Semiconductor device'20036,575,230'Cooling apparatus using boiling and condensing refrigerant'20036,562,933'Polyurethane resin type composition for slush molding'20036,558,143'Scroll compressors'20036,544,016'Scroll compressors'20036,531,542'Spherical crosslinked organic particles suspensions and methods of preparing spherical crosslinked organic particles and suspensions'20036,528,121'Aqueous treatment agent for wiping paper'20036,520,895'Polishing device and polishing pad component exchange device and method'20036,506,036'Scroll compressors'20036,499,586'Feed roller for recording medium'20026,497,894'Aqueous dispersion of cured silicone rubber particles'20026,476,123'Crosslinked organic particles, suspensions, and methods for preparing crosslinked organic particles and suspensions'20026,464,481'Scroll compressors'20026,461,597'Method of treating hair or skin'20026,454,551'Seal structure in a scroll type compressor'20026,447,355'Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region'20026,442,108'Information recording/reproducing apparatus'20026,437,042'Method for producing suspension of crosslinked silicone particles'20026,433,041'Method for producing water based coating compositions'20026,430,063'Control switch for synchronous rectification circuit of DC-DC converter'20026,416,558'Water based fiber treatment agent and method for treating fibers'20026,416,557'Water based fiber treatment agent'20026,404,672'Magnetic element and magnetic memory device'20026,404,131'Light emitting display'20026,398,865'Cement composition'20026,388,005'Emulsion and process of preparing emulsions and oily compositions'20026,379,230'Automatic polishing apparatus capable of polishing a substrate with a high planarization'20026,378,774'IC module and smart card'20026,371,006'Cylinder control device'20026,352,015'Booster'20026,327,211'Inverter having a variable threshold potential'20016,322,101'Instrument panel integrally equipped with air bag door portion'20016,316,062'Magnetic recording medium and method of producing the same'20016,304,920'Switching means for directly controlling operation of data storage devices, data storage/reproducing devices, and data reproducing devices'20016,304,024'Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region'20016,271,259'Method for improving the brain function, inhibiting glutamate excitotoxicity and rescuing from neuronal death'20016,270,614'Method for fabricating carrier tape'20016,267,842'Water-based treatment agent for tissue paper and tissue paper treatment method'20016,239,245'Resin additive, curable resin composition, and cured resin'20016,238,656'Cosmetic raw materials, cosmetic products, and methods of manufacturing cosmetic products'20016,235,830'Polyurethane resin type composition for slush molding'20016,227,287'Cooling apparatus by boiling and cooling refrigerant'20016,216,580'Reaction mechanism for booster'20016,177,508'Polyurethane resin type composition for slush molding'20016,171,676'Magnetic recording medium containing fine magnetic crystal grains and its manufacture'20016,167,637'Dehydrating method and hydroextractor'20016,164,184'Reaction mechanism for booster'20006,165,056'Polishing machine for flattening substrate surface'20006,165,287'Ferromagnetic tunnel-junction magnetic sensor'20006,157,523'Spin valve magnetoresistive head having magnetic layers with different internal stress'20006,139,745'Purification apparatus'20006,130,502'Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly'20006,125,092'Optical head assembly'20006,119,767'Cooling apparatus using boiling and condensing refrigerant'20006,110,751'Tunnel junction structure and its manufacture and magnetic sensor'20006,078,966'Switching means for directly controlling operation of data storage devices, data storage/reproducing devices, and data reproducing devices'20006,074,535'Magnetoresistive head, method of fabricating the same and magnetic recording apparatus'20006,071,347'Apparatus for manufacturing heater roller'20006,069,859'Polarization separating element having partially polarizing properties for diffracting an ordinary light beam and a process for producing the same'20006,057,391'Polyurethane resin type composition for slush molding'20006,057,386'Silicone oil emulsion, composition and method of manufacture'20006,034,469'Impregnated type cathode assembly, cathode substrate for use in the assembly, electron gun using the assembly, and electron tube using the cathode assembly'20006,007,643'Method of manufacturing magnetoresistive head'19996,003,426'Reaction mechanism for booster'19996,005,772'Cooling apparatus for high-temperature medium by boiling and condensing refrigerant'19995,998,863'Cooling apparatus boiling and condensing refrigerant'19995,992,639'Carrier tape with reinforced pockets and method for fabricating carrier tape'19995,991,197'Semiconductor memory device having data protection feature'19995,986,858'Ferromagnetic tunnel-junction magnetic sensor utilizing a barrier layer having a metal layer carrying an oxide film'19995,985,471'Magnetic sensor'19995,969,039'Process for the preparation of cured silicone powder'19995,928,660'Cosmetic raw material, a cosmetic product and a method of manufacturing a cosmetic product'19995,930,085'Magnetoresistive head and magnetic recording/reproducing apparatus'19995,923,295'Circular polarization microstrip line antenna power supply and receiver loading the microstrip line antenna'19995,908,951'Hydrosilylation catalyst and hydrosilylation method'19995,882,418'Jig for use in CVD and method of manufacturing jig for use in CVD'19995,866,194'Method and apparatus for manufacturing heater roller'19995,840,831'Cured silicone powder and method of preparation'19985,777,991'Personal communication apparatus with call switching modem and packet switching modem'19985,729,411'Magnetoresistive head and magnetoresistive recording/reproducing drive with an antiferromagnetic layer of high corrosion resistance'19985,713,413'Cooling apparatus using boiling and condensing refrigerant'19985,697,152'Method of manufacturing an impeller'19975,661,621'Magnetoresistive head'19975,589,581'DNA sequences useful for the synthesis of carotenoids'19965,569,023'Vortex blower'19965,546,092'GPS receiver'19965,544,117'Non-volatile semiconductor memory device with improved collective erasing operation'19965,536,139'Vortex flow blower having blades each formed by curved surface'19965,478,223'Scroll type compressor having reaction force transmission and rotation prevention for the moveable scroll'19955,462,156'Conveyer device and connection structure of rollers incorporating motors'19955,429,939'DNA sequences useful for the synthesis of carotenoids'19955,420,674'Ozone free image recording apparatus using liquid pigment'19955,408,079'Article with information for retrieval and article retrieval system'19955,395,210'Vortex flow blower having blades each formed by curved surface and method of manufacturing the same'19955,373,404'Helical scan type rotary head drum unit'19945,337,281'Non-volatile semiconductor memory device in which data can be erased on a block basis and method of erasing data on a block basis in non-volatile semiconductor memory device'19945,321,037'Isoxazole derivatives for use as cerebro-active drugs and central muscle relaxants'19945,293,212'Non-volatile semiconductor memory device allowing erase of storage data of an arbitrary memory cell and method of erasing data in non-volatile semiconductor memory device'19945,287,317'Non-volatile semiconductor memory device with over-erasing prevention'19945,283,758'Non-volatile semiconductor memory device'19945,281,083'Vortex flow blower'19945,263,398'Brake booster for preventing unwanted reaction disc deformation'19935,258,239'Metal-air cell having a piezoelectric air-supply pump'19935,241,530'Polycarbonate turntable for a compact disk player'19935,241,032'Method for the preparation of organopolysiloxanes'19935,233,610'Semiconductor memory device having error correcting function'19935,226,028'Centering mechanism for automotive disk player'19935,204,849'Disk playback apparatus with centering device for different disk sizes'19935,196,773'Controller for rivetting machine'19935,187,628'Thin film magnetic head having magnetic anisotropy with in-plane and perpendicular components'19935,173,893'Disc double insertion preventing mechanism for disc player'19925,152,213'Hydroextractor'19925,148,470'Radio telephone apparatus having an instantaneous conversation function'19925,145,934'Method for neutralizing acids in organopolysiloxanes'19925,132,928'Divided word line type non-volatile semiconductor memory device'19925,126,531'Apparatus for making an intaglio printing surface'1992D0327316'Vortex blower'19925,119,656'Rolling mill with offset work rolls positioned and controlled by support rolls and method of using same'19925,113,388'Centering mechanism for automotive disk player'19925,111,427'Nonvolatile content-addressable memory and operating method therefor'19925,105,384'Low current semiconductor memory device'19925,094,533'Optoelectrical particle detection apparatus'19925,092,680'Device for measuring temperature of object in vacuum environment'19925,086,203'Wire electric discharge machining apparatus'19925,084,855'Device for preventing the erroneous insertion of a disc in a CD player for vehicles'19925,062,348'Seal unit for brake booster'19915,063,184'Pressureless sintered body of boron nitride'19915,056,077'Centering mechanism for automotive disc player'19915,036,509'Guide mechanism for disc reproducing apparatus'19915,031,171'Centering mechanism for automotive disc player'19915,022,009'Semiconductor memory device having reading operation of information by differential amplification'19915,010,484'Disc guide mechanism for automotive disc player'19914,999,560'Electric motor running system employing photovoltaic array'19914,983,802'Drawing system in a wire-cut electrodischarge machine'19914,970,727'Semiconductor integrated circuit having multiple self-test functions and operating method therefor'19904,961,015'MOS current switching circuit'19904,958,317'Nonvolatile semiconductor memory device and a writing method using electron tunneling'19904,953,129'Nonvolatile semiconductor memory device capable of reliably writing data and a data writing method therefor'19904,952,735'Novel perfluoropolyether and process for producing the same'19904,938,570'Method and system for data display and input via display screen'19904,933,906'Non-volatile semiconductor memory device'19904,918,965'Multihigh rolling mill'19904,912,302'Furnace for sintering ceramics, carbon heater used therefor and process for sintering ceramics'19904,912,621'Current-balance switching regulator'19904,903,236'Nonvolatile semiconductor memory device and a writing method therefor'19904,901,430'Method of mounting a magnetic head'19904,899,689'Developing device with a developing roller and using a single-component developer and method for producing such developing roller'19904,859,299'Novel perfluoropolyether and process for producing the same'19894,858,194'Nonvolatile semiconductor memory device using source of a single supply voltage'19894,831,479'Pivot support structure for magnetic head assembly'19894,816,428'Process for producing high strength .beta.sialon-silicon carbide composite'19894,813,018'Nonvolatile semiconductor memory device'19894,812,667'Past record correcting/reading apparatus'19894,811,294'Data integrity verifying circuit for electrically erasable and programmable read only memory (EEPROM)'19894,805,151'Nonvolatile semiconductor memory device'19894,796,118'Welded leaf spring mounting for magnetic head assembly of disk drive apparatus'19894,788,168'Method for producing carbon-ceramic composite material'19884,770,021'Working roll shift type rolling mill'19884,764,917'Auto loading disk player'19884,764,830'Magnetic head assembly in floppy disk drive'19884,759,119'Method of fabricating a magnetic head assembly'19884,734,155'Method and device for manufacturing a laminated material'19884,733,371'Semiconductor memory device with high voltage switch'19884,720,349'Sliding member of graphite-metal borides'19884,710,015'Developing apparatus'19874,700,338'Automatic loading disc player'19874,656,964'Developing device'19874,637,884'Sliding member of graphite-boron carbides'19874,607,959'Vaned stirrer for use in high temperature atmosphere'19864,601,967'Toner particles having a relatively high specific volume resistivity coating layer'19864,601,963'Locally deformable photosensitive drum for use in electrophotography'19864,579,707'Method for producing a thin-walled ceramic tube'19864,576,463'Developing apparatus for electrostatic photography'19864,575,218'Developing apparatus for electrostatic photography'19864,573,368'Carriage driving apparatus'19864,563,126'Casing of blower and ventilating fan utilizing the casing'19864,528,937'Device for forming a developer film'19854,522,051'Continuous rolling mill'19854,518,702'Silicon carbide-boron carbide carbonaceous body'19854,517,087'Filtration/separation apparatus'19854,503,356'Ceramic arc tube for metal vapor discharge lamps'19854,451,418'Method for forming a green body of ceramic arc tubes used for a metal vapor discharge lamp and a molding die for forming said tube'19844,445,489'Air-fuel mixture control for automobile engine having fuel injection system'19844,445,771'Developing apparatus for electrostatic photography'19844,423,629'Method and apparatus for sensing liquid level'19844,399,791'Air-fuel mixture control for automobile engine having fuel injection system'19834,387,067'Ceramic arc tube of metal vapor discharge lamps and a method of producing the same'19834,385,616'Air-fuel mixture control for automobile engine having fuel injection system'19834,368,442'Mercury switch'19834,368,448'Water cooling apparatus for electric circuit elements'19834,331,100'Magnetic brush development apparatus'19824,303,619'Apparatus for continuously producing potassium sulfate'19814,224,918'Cylinder head construction'19804,217,467'Amplitude and periodic phase modulation transmission system'19804,215,542'Exhaust gas purifying apparatus for automobile multi-cylinder engine'19804,215,541'Dual-catalyst exhaust gas purifying apparatus for multi-cylinder engine'19804,215,540'Exhaust gas purifying apparatus for automobile multi-cylinder engine'19804,215,158'Magnetic recording medium and process for producing the same'19804,209,564'Flexible foamed product with skin and process for its manufacture'19804,206,056'Continuous filtration/separation apparatus'19804,201,175'Cylinder head construction'19804,181,105'Ignition timing control for internal combustion engine having a dual induction type intake system'19804,166,923'Amplitude- and periodic phase-modulation transmission system'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2016Based in Tokyo, JP· patent location history
1979–2011Patents assigned to FUJITSU LTD (30)· patent assignee history
1980–2006Patents assigned to HITACHI LTD (20)· patent assignee history
1982–2009Based in Kawasaki, JP· patent location history
1985–2012Based in Chiba, JP· patent location history
1988–2016Patents assigned to MITSUBISHI ELECTRIC CORP (29)· patent assignee history
1988–2004Based in Saitama, JP· patent location history
1989–2005Based in Hyogo, JP· patent location history
1992–2007Patents assigned to DOW CORNING TORAY SILICONE (22)· patent assignee history
1993–2019Patents assigned to BROTHER IND LTD (21)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 30 | 1979–2011 |
| MITSUBISHI ELECTRIC CORP | 29 | 1988–2016 |
| DOW CORNING TORAY SILICONE | 22 | 1992–2007 |
| BROTHER IND LTD | 21 | 1993–2019 |
| HITACHI LTD | 20 | 1980–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 37 | 1985–2012 |
| Kawasaki, JP | 24 | 1982–2009 |
| Hyogo, JP | 22 | 1989–2005 |
| Tokyo, JP | 21 | 1978–2016 |
| Saitama, JP | 20 | 1988–2004 |