Inventor
Yasuo Kato
Inventor
Tokyo, JP
Overview
Patents· 137 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps12%
B41JTypewriters8%
A61BDiagnosis7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
H01LSemiconductor devices4%
B82YSpecific uses or applications of nanostructures3%
Y10TTechnical subjects covered by former us classification3%
H10HInorganic light-emitting semiconductor devices having potential barriers2%
PatentTitleYear
11,112,779Computer system and facility monitoring method202111,105,656Optical encoder using two different wavelengths to determine an absolute and incremental output for calculating a position202111,054,287Signal processing method for photoelectric encoder202111,031,180Multi-layer ceramic electronic component and method of producing the same202111,017,949Multi-layer ceramic capacitor and method of producing the same202110,870,275Liquid discharge head and method of producing liquid discharge head202010,862,019Actuator device and liquid ejection apparatus202010,850,514Liquid ejecting head and method for manufacturing liquid ejecting head202010,766,257Liquid discharge head202010,744,766Liquid discharge head and method of producing liquid discharge head202010,744,767Liquid ejection device202010,717,276Liquid discharge head202010,703,101Liquid jetting apparatus202010,622,531Light-emitting device202010,503,860Method of creating writing data201910,483,445Lead frame, package for light emitting device, light emitting device, and method for manufacturing light emitting device2019RE047707Charged particle beam writing apparatus and charged particle beam writing method201910,457,267Valve control system configured to control an opening and closing of a valve device201910,457,045Liquid ejection apparatus having piezoelectric elements201910,399,337Liquid jetting device with projections disposed in a common liquid chamber201910,381,194Charged particle beam writing apparatus and charged particle beam writing method201910,369,791Ink-jet head201910,297,743Actuator device and liquid ejection apparatus201910,263,166Light emitting device201910,248,031Multiple charged particle beam lithography apparatus and multiple charged particle beam pattern writing method201910,234,356Evaporation leakage checking system and checking method of evaporation leakage using the same201910,199,199Drawing data creation method and charged particle beam drawing apparatus201910,199,200Charged particle beam writing apparatus and charged particle beam writing method201910,164,162Light emitting device, package for light emitting device, and method for manufacturing light emitting device201810,156,208Inspection apparatus and inspection method201810,134,562Multi charged particle beam writing apparatus, and multi charged particle beam writing method201810,103,302Light emitting device201810,074,922Actuator device, liquid ejector, and connection structure for connecting first contacts and second contacts of wire member201810,071,553Liquid ejection device201810,016,976Liquid ejection apparatus having piezoelectric elements20189,984,853Method for generating writing data20189,975,331Inkjet printer provided with diaphragm and adjusting method therefor20189,966,513Light emitting device having light reflecting member with Ag-containing layer and Au-containing layer20189,937,719Ink-jet head20189,934,935Multi charged particle beam writing apparatus and multi charged particle beam writing method20189,899,187'Charged particle beam writing apparatus and charged particle beam writing method'20189,884,483'Liquid jetting apparatus'20189,852,876Multi charged particle beam writing apparatus and multi charged particle beam writing method20179,837,247Charged particle beam writing apparatus and method utilizing a sum of the weighted area density of each figure pattern20179,779,913'Charged particle beam drawing apparatus and drawing data generation method'20179,601,315'Multiple charged particle beam lithography apparatus and multiple charged particle beam pattern writing method'20179,564,293'Charged particle beam writing apparatus, and buffer memory data storage method'20179,487,007'Liquid discharge apparatus and method for producing heat sink'20169,484,185'Charged particle beam writing apparatus, and charged particle beam writing method'20169,464,600'Rotational pump and fuel vapor leakage detection device having the same'20169,336,994'Multi charged particle beam writing apparatus and multi charged particle beam writing method'20169,303,600'Fuel vapor leakage detection method'20169,261,055'Canister module'20169,224,578'Charged particle beam writing apparatus and method for acquiring dose modulation coefficient of charged particle beam'20159,164,044'Charged particle beam lithography apparatus, inspection apparatus and inspection method of pattern writing data'20159,141,750'Charged particle beam writing apparatus and irradiation time apportionment method of charged particle beams for multiple writing'20159,126,407'Liquid discharge apparatus and piezoelectric actuator'20159,063,440'Charged particle beam writing apparatus and charged particle beam writing method'20158,923,727'Packaging arrangement for image formation apparatus accommodating process cartridge'20148,872,141'Charged particle beam writing apparatus and charged particle beam writing method'20148,851,633'Liquid ejection apparatus'20148,770,013'Evaporation leak check system'20148,552,405'Charged particle beam writing apparatus and charged particle beam writing method'20138,534,260'Fuel supply system'20138,481,964'Charged particle beam drawing apparatus and method'20138,466,440'Charged particle beam drawing apparatus and control method thereof'20138,340,575'Communication system'20128,309,283'Method and apparatus for writing'20127,549,207'Method of manufacturing an actuator'20097,472,583'Evaporated fuel leakage detector for use in automotive vehicle'20097,387,766'Exhaust-gas purifying apparatus'20087,374,727'Exhaust-gas purifying apparatus'20087,344,246'Observation apparatus'20087,341,349'Ophthalmologic apparatus and ophthalmologic chart'20087,275,823'Optometric device'20077,267,113'Fluid control valve'20077,231,813'Leak detector for evaporated fuel'20077,226,281'Vane pump having vanes slanted relative to rotational axis'20077,159,984'Subjective optometric apparatus'20076,749,303'Optometry apparatus and diffraction grating plate used in the same'20046,722,348'Abnormality detecting apparatus for fuel vapor treating system and method for controlling the apparatus'20046,672,562'Electromagnetic fluid control valve'20046,631,495'Electronic document identification, filing, and retrieval system'20036,626,107'Cleaning apparatus and method of detecting catching of cleaning web in the same'20036,581,904'Solenoid valve'20036,551,969'Cutting method and cutting oil'20036,347,853'Ink jet recorder with a remaining ink volume detector'20026,318,219'Cutting method and cutting fluid'20016,273,396'Electromagnetic valve'20016,162,836'Process for preparing aqueous dispersion of higher fatty acid zinc salt'20005,844,661'Ophthalmic apparatus'19985,844,660'Objectives refraction measuring apparatus'19985,800,677'Method for preventing pitch trouble'19985,725,360'Load sensor for variable displacement pumps'19985,460,695'Method of deinking waste paper for reclamation thereof'19955,303,094'Apparatus for recording and/or reproducing digital and analog magnetic tape signals with A/D and D/A converters'19945,223,089'Method of deinking waste paper using a fatty acid polyoxyalkylene ester'19935,214,518'Multiple value image input equipment'19935,202,773'Multiple value image input device with chromatic gradation correction'19934,917,480'Eye refractive power measuring apparatus'19904,879,144'Liquid crystal element'19894,859,051'Eye testing apparatus'19894,848,895'Automatic eye refractive power measuring apparatus'19894,841,556'Plasma X-ray source'19894,744,648'Eye refractive power measuring apparatus'19884,715,054'Plasma x-ray source'19874,712,895'Ocular position measuring apparatus'19874,697,121'Low-pressure mercury vapor discharge lamp'19874,695,383'Permselective membrane'19874,673,724'Polymeric whisker and production of the same'19874,643,623'Holder for rotary cutting tools'19874,642,005'Holder for rotary cutting tools'19874,627,086'Plasma X-ray source'19864,611,148'Low-pressure mercury vapor discharge lamp'19864,589,773'Position detecting system'19864,587,453'Low-pressure mercury vapor discharge lamp'19864,488,808'Print inspecting device'19844,453,808'Apparatus for detecting the position of a patient\'s eye in ophthalmologic instruments'19844,437,008'Electron beam control system'19844,408,847'Refractory power measuring device'19834,336,597'Method and system for measuring the diameter of an electron beam'19824,306,778'Eye refractmeters using infrared rays'19814,299,455'Vision testing instrument'19814,293,199'Apparatus for detecting astigmatic axes and measuring refractive powers'19814,277,150'Eye refractmeter'19814,187,014'Eye fundus camera'19804,170,177'Printing machine inking device with plurality of cam levers'19794,154,505'Electro-optical light shutter device'19794,153,334'Stereoscopic image observing apparatus'19794,127,841'Multi-direction controlling mechanism'19784,104,259'Fireproof polyesters from brominated dihydroxy alkoxy-diphenyl sulfones'19784,087,751'Transmitter-receiver circuit'19784,046,724'Fireproof polyester composition'19774,039,829'Stereoscopic measuring apparatus'19774,009,205'Process for preparing 4-amino-3-methyl-N-substituted or unsubstituted alkylanilines'19773,994,830'Process for the production of adsorbents of nitrohumic acid series with an improved alkali-resistance'19763,953,503'Method of manufacturing triglycine series ferroelectric crystals'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2021Patents assigned to HITACHI LTD (13)· patent assignee history
1977–2021Based in Tokyo, JP· patent location history
1978–2019Based in Yokohama, JP· patent location history
1980–1989Patents assigned to TOKYO OPTICAL (11)· patent assignee history
1994–2019Based in Kanagawa, JP· patent location history
2001–2019Patents assigned to DENSO CORP (17)· patent assignee history
2001–2016Based in Niwa-gun, JP· patent location history
2002–2020Patents assigned to BROTHER IND LTD (23)· patent assignee history
2003–2020Based in Aichi, JP· patent location history
2012–2019Patents assigned to NUFLARE TECHNOLOGY INC (26)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NUFLARE TECHNOLOGY INC | 26 | 2012–2019 |
| BROTHER IND LTD | 23 | 2002–2020 |
| DENSO CORP | 17 | 2001–2019 |
| HITACHI LTD | 13 | 1976–2021 |
| TOKYO OPTICAL | 11 | 1980–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 25 | 1977–2021 |
| Aichi, JP | 19 | 2003–2020 |
| Kanagawa, JP | 17 | 1994–2019 |
| Yokohama, JP | 15 | 1978–2019 |
| Niwa-gun, JP | 11 | 2001–2016 |