Inventor
Kazuyuki Tanaka
Inventor
Hitachi, JP
Overview
53→
Patents
1980–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 53 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Tprimary
Y02TClimate change mitigation technologies related to transportation8%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
Y10TTechnical subjects covered by former us classification5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
F02BInternal-combustion piston engines4%
C07DHeterocyclic compounds3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%
G01RMeasuring electric variables3%
G02BOptical elements, systems or apparatus3%
PatentTitleYear
10,451,677Battery state sensing device and manufacturing method therefor201910,218,038Battery sensor positioner, battery sensor assembly equipped with same, and battery sensor201910,125,203Polyvinyl alcohol powder and method for producing same201810,082,542Battery state detection apparatus and method for manufacturing same20189,715,409'Job delay detection method and information processing apparatus'20178,963,679'Connection terminal of shunt resistor, and battery state detection device'20158,954,223'Charge guidance apparatus and onboard navigation system'20158,841,873'Motor control device for vehicle'20148,630,589'Onboard radio communication system'20148,269,044'Method for selectively producing primary amine compound'20127,990,190'Power-on reset circuit, module including same, and electronic device including same'20117,977,490'Process for producing thiazole compound'20117,779,202'Apparatus and method for controlling disk array with redundancy and error counting'20107,439,357'Process for preparing thiazole by aminomethylation'20087,293,193'Array controller for disk array, and method for rebuilding disk array'20077,287,182'Method and apparatus for copying data of disk drive in disk array system'20076,852,890'Process for the preparation of phenylhydrazines'20056,452,635'Image pickup apparatus'20026,223,729'Controlling apparatus for engine for model and controlling method therefor'20016,094,314'Zoom lens system'20006,006,728'Fuel injection system of engine for models'19995,975,055'Engine for models'19995,764,343'Optical element'19985,764,418'Eyepiece system'19985,739,966'Imaging lens system'19985,668,703'Boost converter for driving a capacitive load'19975,589,596'Process for producing amines'19965,238,730'Electrical laminate with dibasic acid-modified epoxy (meth)acrylate'19935,109,088'Resin composition for cement'19925,075,404'Concrete-protective material'19915,041,152'Apparatus for bending tubular glass'19915,009,949'Resin composition and electrical laminate obtained therefrom'19914,990,409'Flame retardant electrical laminate'19914,951,093'Developing unit for an electrostatic recording apparatus'19904,893,055'Process for using unsaturated polyester resin composition for treating cathode-ray tubes and cathode tubes obtained thereby'19904,846,016'Direct-coupling/differential changeover transfer apparatus'19894,843,408'Thermal recording device'19894,590,976'Exhaust apparatus for electric lamps'19864,556,879'Video display apparatus'19854,546,350'Display apparatus'19854,527,154'Display system'19854,491,832'Device for displaying characters and graphs in superposed relation'19854,468,662'Display apparatus for displaying characters or graphics on a cathode ray tube'19844,450,442'Display processor for superimposed-picture display system'19844,430,112'Sheet glass producing apparatus'19844,348,616'Preset lighting device'19824,304,883'Unsaturated polyester resin composition for coating metal substrates'19814,224,918'Cylinder head construction'19804,215,539'Exhaust gas purifying apparatus for automobile multi-cylinder engine'19804,215,542'Exhaust gas purifying apparatus for automobile multi-cylinder engine'19804,215,540'Exhaust gas purifying apparatus for automobile multi-cylinder engine'19804,215,541'Dual-catalyst exhaust gas purifying apparatus for multi-cylinder engine'19804,201,175'Cylinder head construction'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to TOYO KOGYO CO (6)· patent assignee history
1980Based in Hiroshima, JP· patent location history
1981–1993Patents assigned to HITACHI CHEMICAL CO LTD (7)· patent assignee history
1981–1993Based in Hitachi, JP· patent location history
1984–1985Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (6)· patent assignee history
1984–1985Based in Kamakura, JP· patent location history
1989–2015Based in Tokyo, JP· patent location history
1996–2012Patents assigned to SUMITOMO CHEMICAL CO (5)· patent assignee history
1998–2002Patents assigned to OLYMPUS OPTICAL CO (5)· patent assignee history
2015–2019Based in Shiga, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CHEMICAL CO LTD | 7 | 1981–1993 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 6 | 1984–1985 |
| TOYO KOGYO CO | 6 | 1980 |
| OLYMPUS OPTICAL CO | 5 | 1998–2002 |
| SUMITOMO CHEMICAL CO | 5 | 1996–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 7 | 1981–1993 |
| Hiroshima, JP | 6 | 1980 |
| Kamakura, JP | 5 | 1984–1985 |
| Shiga, JP | 4 | 2015–2019 |
| Tokyo, JP | 4 | 1989–2015 |