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Inventor

Kazuo Tanaka

Inventor
Tokyo, JP

Overview

202→
Patents
1976–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 202 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus10%
H10DInorganic electric semiconductor devices8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
H03KPulse technique5%
C07CAcyclic or carbocyclic compounds4%
Y10TTechnical subjects covered by former us classification3%
H10BElectronic memory devices3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
H05BElectric heating2%
PatentTitleYear
9,987,579Oil separator20189,947,651Semiconductor integrated circuit device having an NMOS with a high resistance drain terminal20189,515,019'Semiconductor device'20169,458,852'Centrifugal fan having a flow control member'20169,418,881'Substrate processing apparatus capable of switching control mode of heater'20169,379,100'Semiconductor integrated circuit device'20169,343,460'Semiconductor device with output circuit and pad arrangements'20169,260,992'Oil mist separator'20169,214,217'Semiconductor integrated circuit device'20159,209,811'Semiconductor integrated circuit device'20159,093,283'Semiconductor devices with output circuit and pad'20158,973,253'Method and apparatus for manufacturing metal plate chip resistors'20158,946,770'Semiconductor device with output circuit and pad'20158,810,278'Semiconductor integrated circuit device'20148,803,610'Semiconductor integrated circuit device'20148,674,745'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20148,671,561'Substrate manufacturing method'20148,646,438'Supercharger intake duct'20148,590,141'Method and apparatus for manufacturing metal plate chip resistors'20138,584,783'Motorcycle with supercharger'20138,552,561'Semiconductor device with output circuit arrangement'20138,299,628'Conductive ball mounting apparatus having a movable conductive ball container'20128,299,283'Contrast agent containing silsesquioxane'20128,288,325'Lubricant composition for hot forming'20128,237,469'Semiconductor device and method of controlling the same'20128,200,897'Storage system and data management method'20128,173,806'Method for production of quinazolin-4-one derivative'20128,139,332'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20128,067,789'Semiconductor integrated circuit device'20118,013,656'Semicondutor integrated circuit device'20118,006,036'Storage system and data management method'20117,944,656'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20117,924,539'Semiconductor integrated circuit'20117,900,807'Conductive ball mounting apparatus and conductive ball mounting method'20117,866,533'Conductive ball removing method, conductive ball mounting method, conductive ball removing apparatus, and conductive ball mounting apparatus'20117,863,652'Semiconductor integrated circuit device'20117,855,590'Semiconductor integrated circuit device'20107,829,451'Conductive ball mounting method and apparatus having a movable solder ball container'20107,816,306'Lubricant composition for hot forming'20107,714,357'Semiconductor device'20107,703,662'Conductive ball mounting apparatus and conductive ball mounting method'20107,702,195'Optical waveguide'20107,615,650'Process for producing chroman compound'20097,593,201'Semiconductor integrated circuit'20097,563,527'Fuel cell-atmospheric-pressure turbine hybrid system'20097,563,886'Nucleoside releasing functional unit through oxidation and process for producing oligonucleotide containing thereof'20097,532,054'Semiconductor integrated circuit device having I/O circuitry for low voltage operation'2009D0582177'Show case'20087,460,829'Wireless communication system'20087,425,845'Semiconductor integrated circuit'20087,403,361'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20087,346,273'Substrate processing equipment'2008D0556264'Advertising pillar'2007D0546394'Advertising pillar'20077,214,343'Method for producing granulated powder of R—FE—B type alloy and method for producing R—FE—B type alloy sintered compact'20077,204,077'Atmospheric pressure combustion turbine system'20077,205,396'Benzodeazaadenine derivative base and electronic material containing the same'20077,091,767'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20067,065,297'Optical transmission system'20067,002,734'Pre-amplifier gain setting method utilizing ASE light and WDM optical transmission apparatus employing the method'20066,977,771'Optical amplifier supervisory control method in WDM communication system'20056,947,634'Optical waveguide device'20056,900,774'Shielding device for antenna board, and liquid ejection apparatus incorporating the same'20056,888,023'Process for producing pyromellitic acid'20056,853,217'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20056,789,966'Printer, carriage supporting structure and head assembly incorporated in the printer'20046,756,675'Semiconductor device and a method for making the same that provide arrangement of a connecting region for an external connecting terminal'20046,746,908'Temperature controlling method, thermal treating apparatus, and method of manufacturing semiconductor device'20046,711,531'Temperature control simulation method and apparatus'20046,676,264'Laser beam focusing apparatus and method for focusing a laser beam'20046,677,780'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20046,591,689'Sensor held by base having lead'20036,579,990'Process for producing refined pyromellitic acid and refined pyromellitic anhydride'20036,571,655'Involute gear pair structure'20036,556,328'Frequency stabilizing equipment for optical communication light source'20036,534,864'Semiconductor memory device and method of fabricating the same'20036,504,400'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20036,496,749'Semiconductor producing apparatus and temperature control method therefor'20026,493,125'Apparatus for stabilizing light source frequency'20026,472,540'Process for producing -caprolactone'20026,458,994'Process for producing aromatic polycarboxylic acid'20026,410,753'Process for producing trimellitic anhydride'20026,392,439'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20026,361,738'Method of producing R-Fe-B permanent magnet, and lubricant agent and release agent for use in shaping the same'20026,306,187'Abrasive material for the needle point of a probe card'20016,300,229'Semiconductor device and method of manufacturing the same'20016,267,983'Dermatological patch and process for producing thereof'20016,251,542'Semiconductor wafer etching method'20016,249,145'Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit'20016,243,286'Semiconductor memory device and method of fabricating the same'20016,232,670'Semiconductor memory device and method of fabricating the same'20016,205,156'Method and device for data transmission and reception using transmission pause state as reception timing'20016,187,964'Method of producing phenol compound'20016,160,816'Subscriber-line transmission apparatus'20006,156,592'Method of manufacturing a semiconductor device containing CMOS elements'20006,115,430'Differentiating circuit and clock generator circuit using the differentiating circuit'20006,100,589'Semiconductor device and a method for making the same that provide arrangement of a connecting region for an external connecting terminal'20006,081,016'CMOS device with improved wiring density'20006,065,362'Sealed-type wave gear device'20006,065,001'Information associating apparatus and method'20006,063,938'Process for producing .epsilon.-caprolactone'20006,018,077'Process for producing 2,6-naphthalenedicarboxylic acid'20006,013,831'Processes for the production of high-purity dimethyl 2, 6-naphthalenedicarboxylate and naphthalenedicarboxylic acid'20005,994,565'Process for producing purified .epsilon.-caprolactone'19995,989,426'Osmosis membrane'19995,895,820'Process for the production of trimellitic acid and process for the production of trimellitic acid anhydride'19995,879,979'Method of manufacturing a semiconductor device containing CMOS elements'19995,874,365'Semiconductor wafer etching method'19995,843,351'Highly permeable composite reverse osmosis membrane, method of producing the same'19985,841,414'Liquid crystal display device'19985,817,711'Aqueous working liquid composition for wire saw'19985,805,328'Driving circuit for an optical signal modulator'19985,661,329'Semiconductor integrated circuit device including an improved separating groove arrangement'19975,654,730'Liquid crystal display device'19975,641,983'Semiconductor device having a gate electrode having a low dopant concentration'19975,642,520'Method and apparatus for recognizing topic structure of language data'19975,640,387'Digital loop carrier apparatus for large volume digital signal transmission'19975,614,099'Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same'19975,612,432'Sheetlike article for optical use'19975,612,557'Semiconductor device having an inter-layer insulating film disposed between two wiring layers'19975,553,595'Fuel system with fuel vapor estimating feature'19965,506,843'Subscriber group digital transmitter'19965,473,682'Automatic signalling-system switching device for digital line circuit device in subscriber system'19955,354,542'Movable tank type multi-purpose batch production system'19945,342,480'Method of manufacturing a semiconductor integrated circuit device'19945,329,910'Efficient auxiliary engine combustion system'19945,278,321'Process for simultaneously producing lactone and aromatic carboxylic acid'19945,274,280'Semiconductor integrated circuit device having separate supply voltages for the logic stage and output stage'1993D0341588'Radio portable phone'19935,250,977'Electronic flash unit'19935,247,793'Exhaust purification system for multiple cylinder engines'19935,249,007'Strobe apparatus'19935,237,092'Process for concurrently producing aryl formate and aromatic carboxylic acid'19935,191,402'Semiconductor device having an inter-layer insulating film disposed between two wiring layers'19935,189,209'Process for producing highly pure isophthalic acid'19935,180,953'Strobo device'19935,173,805'Focusing method for zoom lens'19925,132,450'Process for producing high purity isophthalic acid'19925,131,005'Melting apparatus having double wall structure'19925,107,292'Electronic flash unit'19925,101,380'Semiconductor memory device'19925,097,808'Engine control system for internal combustion engine'19925,075,762'Semiconductor device having an inter-layer insulating film disposed between two wiring layers and method of manufacturing the same'19915,059,819'Integrated logic circuit'19915,055,710'Integrated logic circuit having plural input cells and flip-flop and output cells arranged in a cell block'19914,988,652'Process for recovering catalyst for use in preparing .alpha.-(4-isobutylphenyl)propionic acid'19914,985,510'Crystalline N-methoxymethylated nylon and nylon composition'19914,937,362'Process for production of .alpha.-(4-isobutylphenyl)propionic acid'19904,859,042'Zoom lens'19894,854,681'Compact zoom lens'19894,789,227'Zoom lens'19884,763,998'Compact zoom lens'19884,760,171'Process for producing ethanol'19884,730,908'Zoom lens'19884,710,007'Camera system with lens coupling member'19874,702,567'Zoom lens'19874,698,810'Data recording and reproducing system with error correction capability using ECC and CRC codes'19874,682,860'Ultrasmall size zoom lens'19874,643,556'Automatic focusing adjustment device'19874,544,250'Optical system for camera with a viewfinder'19854,518,123'Method for controlling the pulverization and dryness of flammable materials passing through a pulverizer, and method of controlling the pulverizing rate of the pulverizer'19854,500,730'Process for producing aromatic polycarboxylic acid'19854,490,554'Process for crystallizing trimellitic acid'19844,482,914'Contact structure of semiconductor device'19844,482,218'Zoom lens'19844,468,592'Strobo apparatus'19844,466,707'Variable magnification lens system'19844,465,342'Zoom lens'19844,460,060'Vibratory diaphragm for loudspeaker'19844,455,065'Optical device'19844,444,472'Lens system having color separation optics'19844,443,078'Distance detecting device in a camera'19844,422,734'Photographic lens system having an auxiliary lens'19834,384,199'Incident position detector for radiation beam'19834,380,376'Zoom objective'19834,364,642'Zoom element focusable zoom lens'19824,358,474'Method for electric recording'19824,339,510'Aluminum-base brazing alloy composite'19824,338,142'Melting flux composition for submerged arc welding'19824,336,983'Photographic objective stabilized against change of angular field during focusing'19824,330,180'Zoom lens system having a plural number of relay lenses'19824,318,592'Lens system with attachment lens removably attached'19824,318,593'Zoom lens assembly with two movable focusing lens groups'19824,315,279'Color image detecting device'19824,312,964'Polyolefin resin composition'19824,308,314'Electric recording material'19814,284,331'Photographic objective having a focusing control with prevention of change in angular field of view'19814,281,906'Zoom lens'19814,278,331'Photographic objective which prevents variation in angular field of view during focusing'19814,259,688'TV camera'19814,259,615'Photographic flash device'19814,225,634'Method for manufacturing gas composition detector'19804,197,484'Electronic flash device with voltage display'19804,160,933'Accidental flash prevention in a photographic flash device'19794,157,211'Zoom lens having an easily changeable range of variable focal distance'19794,146,305'Variable lens which can have its focal distance range easily changed'19794,124,274'Zoom lens having closeup focusing control'19784,099,845'Zoom lens with aberration variation prevented for focusing'19784,046,988'Method of preventing base metal end crack in arc welding and end tab used therefor'19774,017,339'Flux for use in submerged arc welding of steel'19773,957,501'Non-combustible light-weight inorganic shaped articles and process of manufacture'19763,956,584'Optical system for a television camera with a bias-light emitting device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1992Patents assigned to CANON KK (35)· patent assignee history
1976–2018Based in Tokyo, JP· patent location history
1979–2008Based in Neyagawa, JP· patent location history
1984–2012Patents assigned to MITSUBISHI GAS CHEMICAL CO (21)· patent assignee history
1984–2005Based in Kurashiki, JP· patent location history
1991–2005Patents assigned to SEIKO EPSON CORP (16)· patent assignee history
1992–2014Based in Nagano, JP· patent location history
1997–2015Based in Kanagawa, JP· patent location history
2010–2018Patents assigned to RENESAS ELECTRONICS CORP (20)· patent assignee history
2011–2016Patents assigned to TANAKA KAZUO (18)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK351976–1992
MITSUBISHI GAS CHEMICAL CO211984–2012
RENESAS ELECTRONICS CORP202010–2018
TANAKA KAZUOself182011–2016
SEIKO EPSON CORP161991–2005
Locations
LocationPatentsSpan
Tokyo, JP741976–2018
Kurashiki, JP141984–2005
Kanagawa, JP101997–2015
Nagano, JP101992–2014
Neyagawa, JP91979–2008