Inventor
Masaru Nakamura
Inventor
Tokyo, JP
Overview
Patents· 171 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
B23KSoldering or unsoldering9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
B28DWorking stone or stone-like materials5%
H01LSemiconductor devices5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
H04BTransmission3%
Y10TTechnical subjects covered by former us classification3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
10,797,932Communication device, link-up method, and communication system202010,668,153Boron neutron capture therapy system202010,622,230Protective tape attaching method202010,574,756Electronic device, selection control system, selection method, and recording medium202010,438,898Wafer processing method201910,343,951Magnesium fluoride sintered compact, method for manufacturing magnesium fluoride sintered compact, neutron moderator, and method for manufacturing neutron moderator201910,224,814Control circuit of switching power-supply device and switching power-supply device201910,079,166Processing apparatus20189,954,439Control circuit of switching power-supply device and switching power-supply device20189,929,052'Wafer processing method'20189,929,105'Leakage laser beam detecting method'20189,868,673'Method for manufacturing magnesium fluoride sintered compact, method for manufacturing neutron moderator, and neutron moderator'20189,863,897'X-ray nondestructive testing device'20189,859,143'Adhesion detecting method'20189,840,442'Method for manufacturing magnesium fluoride sintered compact, method for manufacturing neutron moderator, and neutron moderator'20179,824,926'Wafer processing method'20179,768,127'Wafer processing method'20179,748,182'Wafer processing method'20179,695,507'Automatic lithium target regenerating apparatus and automatic lithium target regenerating method'20179,685,377'Wafer processing method'20179,680,378'Switching power-supply device'20179,656,348'Laser processing apparatus'20179,651,156'Mechanical seal'20179,640,420'Wafer processing method'20179,627,242'Wafer processing method'20179,583,391'Wafer processing method'20179,490,171'Wafer processing method'20169,490,155'Wafer processing method using adhesive layer UV curing step and laser modified layer forming step to singulate individual device chips'20169,444,334'DC/DC converter'20169,401,642'Switching power-supply device'20169,379,016'Wafer processing method'20169,318,956'Switching power-supply device'20169,280,164'Switching power-supply device and method for manufacturing switching power-supply device'20169,270,177'Switching power-supply device'20169,269,624'Wafer processing method'20169,172,302'Switching power supply device of the ripple control method'20159,099,546'Workpiece dividing method including two laser beam application steps'20158,957,658'Switching power-supply device'20158,927,395'Wafer processing method'20158,787,859'Automatic gain control apparatus and method'20148,704,505'Switching power source apparatus'20148,704,126'Laser beam machining apparatus'20148,625,449'Wireless access system'20148,614,872'Switching power source apparatus'20138,605,708'System, device and method for TDMA-based networking using space division multiplexed transmissions'20138,593,124'Switching power source apparatus'20138,570,019'Switching power source apparatus'20138,476,553'Method of dividing workpiece'20138,409,007'Server apparatus and game system'20138,267,784'Game system and computer readable medium including a marker position determination portion'20128,258,763'Switching power supply unit and control circuit for same'20128,201,763'Self-propelled crushing system'20128,054,600'Switching power supply device'20118,009,445'Switching power source apparatus'20117,999,983'Lens material, optical electronic component and optical electronic device'20117,986,537'Overcurrent-protected switching-mode power supply'20117,985,294'Optical device and method of manufacturing the same'20117,965,601'Disk recording/reproducing apparatus and disk recording method'20117,920,453'Optical information recording/reproduction apparatus and recording condition adjusting method'20117,910,459'Method of manufacturing device having a UV-curable adhesive'20117,897,488'Dividing method for wafer having film on the front side thereof'20117,888,239'Semiconductor device manufacturing method'20117,858,902'Wafer dividing method and laser beam processing machine'20107,858,497'Stacked device manufacturing method'20107,806,768'Game system and method for controlling game system, game server device therefor, and game device therefor'20107,803,696'Wafer dividing method'20107,796,484'Tilt adjusting method and information recording/reproducing apparatus using the same'20107,696,069'Wafer dividing method'20107,696,012'Wafer dividing method'20107,696,067'Method of manufacturing device'20107,696,010'Wafer dividing method'20107,682,858'Wafer processing method including formation of a deteriorated layer'20107,666,760'Method of dividing wafer'20107,622,366'Method of manufacturing semiconductor device'20097,618,878'Wafer dividing method'20097,605,058'Wafer dividing method'20097,598,156'Method of manufacturing device having adhesive film on back-side surface thereof including breaking the adhesive with tension'20097,579,260'Method of dividing an adhesive film bonded to a wafer'20097,577,003'Switching power supply'20097,544,589'Wafer dividing method'20097,545,542'Image forming apparatus'20097,545,657'Switching power source apparatus'20097,544,587'Wafer dividing method and wafer dividing apparatus'20097,535,736'Switching power supply for reducing external parts for overcurrent protection'20097,507,639'Wafer dividing method'20097,470,566'Wafer dividing method'20087,446,930'Method of inverting polarization by controlling defect density or degree of order of lattice points'20087,446,020'Wafer dividing method and dividing apparatus'20087,418,027'Method and apparatus for ultra wideband communications system employing a spread spectrum technique transmitting a baseband signal over a wide frequency band'20087,403,327'Wavelength conversion element having multi-gratings and light generating apparatus using said element, and wavelength conversion element having cylindrical ferroelectric single crystals and light generating apparatus using said element'20087,388,763'Switching power supply'20087,348,199'Wafer dividing method'20087,341,926'Wafer dividing method'20087,336,508'Switching power source apparatus with voltage gate detector for the switch'20087,329,564'Wafer dividing method'20087,292,461'Switching power source apparatus'20077,232,741'Wafer dividing method'20077,087,857'Method of dividing a workpiece in the form of a plate having a layer and a substrate made of different materials'20067,063,083'Wafer dividing method and apparatus'20066,888,041'Decomposition apparatus of organic compound, decomposition method thereof, excimer UV lamp and excimer emission apparatus'20056,874,671'Soldering tool'20056,856,433'Holographic recording medium and holographic recording/reproducing apparatus using the same'20056,814,800'Method for treating photorefractive effect of an optical device and photorefractive effect-suppressed optical frequency conversion device'20046,747,787'Optically functional device, single crystal substrate for the device and method for its use'20046,624,923'Optically functional device, single crystal substrate for the device and method for its use'20036,565,648'Production method of ferro-electric crystals having periodically-poled structure'20036,415,411'Error correcting decoder'20026,205,169'Spread spectrum pulse position modulation communication system'20016,194,821'Decomposition apparatus of organic compound, decomposition method thereof, excimer UV lamp and excimer emission apparatus'2001RE037022'Fluorine-containing polymer composition'20016,055,266'Spread spectrum pulse position modulation communication system'20006,039,237'Heating tip and method of manufacturing the same'20006,041,074'Spread spectrum pulse position modulation system'20005,998,050'Composite metal oxide material'19995,978,338'Apparatus for reproducing short length data stored on an optical disk'19995,931,601'Tunnel excavator'19995,923,701'Spread spectrum pulse position modulation system'19995,872,079'Superconductor and precursor therefor, their preparation and use of superconductor'1999D0389845'Milling machine'19985,691,615'Adaptive PI control method'19975,666,369'Method and arrangement of determining error locations and the corresponding error patterns of received code words'19975,627,142'Method of producing composite metal oxide material'19975,602,081'Method of preparing metal oxide crystal'19975,587,638'Flexible servo control method capable of specifying flexibility on working coordinates'19965,581,167'Flexible servo control method'19965,536,704'Composite material and method of preparing same'19965,502,132'Process for producing a perfluoro copolymer'19965,498,657'Fluorine-containing polymer composition'19965,495,488'Arithmetic circuit having a simple structure for producing an error numeric value polynomial and an error locator polynomial'1996D0367263'Electrical connector'19965,488,735'Optical interconnection suitable for highly parallel computer system'1996D0364378'Electrical connector'19955,462,586'Oil-and water repellent gas-permeable filter'19955,449,558'Optical article having an antireflection layer'19955,438,589'Spread spectrum communication system'19955,436,916'Error correction by detection of a degree difference between dividend and divisor polynomials used in Euclidean algorithm'19955,356,739'Stainproof protector made from fluorine-containing aliphatic cyclic polymer for preventing staining of lithographic masks'19945,312,716'Process for producing a semiconductor'19945,303,258'Spread spectrum communications system'19945,221,984'Optical data transmission device with parallel channel paths for arrayed optical elements'19935,216,693'Spread spectrum communications system'19935,205,032'Electronic parts mounting apparatus'19935,160,275'Electrical connector for circuit boards'19925,133,802'Water and oil repellent composition'19925,117,272'Having a protective film of a polymer having a fluorine-containing aliphatic cyclic structure'19925,093,571'Method and device for analyzing gas in process chamber'19925,060,306'Optical transmisson system'19915,021,361'Method for making a field effect transistor integrated with an opto-electronic device'1991D0313007'Printed-circuit board connector'19904,974,232'Semiconductor laser device'19904,974,233'Semiconductor laser device'19904,949,144'Semiconductor photo-detector having a two-stepped impurity profile'19904,910,276'Cyclic polymerization'19904,906,208'Electrical connector'19904,897,457'Novel fluorine-containing cyclic polymer'19904,862,474'Semicondutor laser device'19894,858,241'Semiconductor laser device'19894,838,811'Modular connector with EMI countermeasure'19894,822,303'Electrical connector'19894,819,048'Optoelectronic bistable apparatus'19894,706,101'Light emitting diode formed of a compound semiconductor material'19874,667,212'Integrated optical and electric circuit device'19874,631,075'Composite membrane for gas separation'19864,621,376'Driving apparatus for stabilizing burst light output'19864,605,943'Composite optical semiconductor device'19864,594,169'Drilling fluid additives'19864,572,789'Drilling fluid additives'19864,535,681'Fluid operated transmission control system'19854,510,201'Polyvinyl chloride resinous molded sheet product'19854,441,596'Vehicle inching mechanism interlocked with a braking mechanism'19844,188,841'Apparatus for stripping the coatings of optical fibers'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2001Based in Yokohama, JP· patent location history
1986–1996Patents assigned to TOSHIBA KK (14)· patent assignee history
1986–2001Patents assigned to ASAHI GLASS CO LTD (11)· patent assignee history
1986–1993Based in Kawaguchi, JP· patent location history
1989–2020Based in Tokyo, JP· patent location history
1998–2017Patents assigned to NAKAMURA MASARU (17)· patent assignee history
2006–2020Patents assigned to DISCO CORP (50)· patent assignee history
2007–2019Patents assigned to SANKEN ELECTRIC CO LTD (24)· patent assignee history
2007–2019Based in Niiza, JP· patent location history
2009–2015Based in Ota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DISCO CORP | 50 | 2006–2020 |
| SANKEN ELECTRIC CO LTD | 24 | 2007–2019 |
| NAKAMURA MASARUself | 17 | 1998–2017 |
| TOSHIBA KK | 14 | 1986–1996 |
| ASAHI GLASS CO LTD | 11 | 1986–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 72 | 1989–2020 |
| Niiza, JP | 21 | 2007–2019 |
| Kawaguchi, JP | 13 | 1986–1993 |
| Ota, JP | 11 | 2009–2015 |
| Yokohama, JP | 10 | 1980–2001 |