Inventor · disambiguated record
Kazuyuki Hirata
Also filed as: HIRATA KAZUYUKI
45 granted patents·9 pending applications·105 citations·filing 1983–2025
96Inventor score
Top patents by PatentIndex Score
54 records- 0194US10150152B2Sheet metal forming method and apparatusTOYOTA BOSHOKU KK·Filed 2017·Granted Dec 11, 2018·4 cites·8 claims
- 0291US10328482B2Method for manufacturing metal compact and apparatus for manufacturing metal compactTOYOTA BOSHOKU KK·Filed 2016·Granted Jun 25, 2019·3 cites·4 claims
- 0389US4542934AFront body construction for motor vehicleMAZDA MOTOR·Filed 1983·Granted Sep 24, 1985·56 cites·3 claims
- 0488US10464331B2Liquid containerSEIKO EPSON CORP·Filed 2018·Granted Nov 5, 2019·3 cites·18 claims
- 0587US10967644B2Exterior body, liquid storage body unit and liquid discharge apparatusSEIKO EPSON CORP·Filed 2019·Granted Apr 6, 2021·2 cites·10 claims
- 0687US10737315B2Press dieTOYOTA BOSHOKU KK·Filed 2017·Granted Aug 11, 2020·2 cites·9 claims
- 0785US9227239B2Forming die apparatus and die memberTOYOTA BOSHOKU KK·Filed 2014·Granted Jan 5, 2016·4 cites·9 claims
- 0884US9656314B2Press dieTOYOTA BOSHOKU KK·Filed 2014·Granted May 23, 2017·4 cites·8 claims
- 0982US11052667B2Gas-absorbing apparatus, liquid housing, liquid housing container and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Jul 6, 2021·1 cites·9 claims
- 1081US9962754B2Pressing method and pressing device for forming punched piece by punching metal plate with die and punchTOYOTA BOSHOKU KK·Filed 2014·Granted May 8, 2018·3 cites·8 claims
- 1181US9630229B2Device for molding and method for molding metal plateTOYOTA BOSHOKU KK·Filed 2014·Granted Apr 25, 2017·5 cites·16 claims
- 1280US10434784B2Cartridge and connectorSEIKO EPSON CORP·Filed 2017·Granted Oct 8, 2019·2 cites·13 claims
- 1379US10384250B2Method for forming metal plate and apparatus for forming metal plateTOYOTA BOSHOKU KK·Filed 2016·Granted Aug 20, 2019·1 cites·7 claims
- 1479US9587679B2Method and apparatus for manufacturing rolling-element bearingTOYOTA BOSHOKU KK·Filed 2014·Granted Mar 7, 2017·3 cites·3 claims
- 1578US8770077B2Punch press deviceHIRATA KAZUYUKI·Filed 2011·Granted Jul 8, 2014·3 cites·4 claims
- 1675US10071411B2Press dieTOYOTA BOSHOKU KK·Filed 2017·Granted Sep 11, 2018·1 cites·8 claims
- 1774US9962751B2Metal plate forming method and forming deviceTOYOTA BOSHOKU KK·Filed 2014·Granted May 8, 2018·2 cites·8 claims
- 1872US12017459B2Liquid containerSEIKO EPSON CORP·Filed 2022·Granted Jun 25, 2024·0 cites·8 claims
- 1972US10421114B2Workpiece manufacturing apparatusTOYOTA BOSHOKU KK·Filed 2018·Granted Sep 24, 2019·1 cites·3 claims
- 2071US12304213B2Liquid containerSEIKO EPSON CORP·Filed 2023·Granted May 20, 2025·0 cites·2 claims
- 2166US12459272B2Liquid containerSEIKO EPSON CORP·Filed 2023·Granted Nov 4, 2025·0 cites·9 claims
- 2265US9016345B2Rotary lamination apparatusHIRATA KAZUYUKI·Filed 2011·Granted Apr 28, 2015·1 cites·5 claims
- 2365US8844600B2Rotary lamination apparatusHIRATA KAZUYUKI·Filed 2012·Granted Sep 30, 2014·2 cites·7 claims
- 2463US9440281B2Device and method for manufacturing workHIRATA KAZUYUKI·Filed 2010·Granted Sep 13, 2016·2 cites·9 claims
- 2557US12226962B2Method for manufacturing fuel cell separatorTOYOTA BOSHOKU KK·Filed 2022·Granted Feb 18, 2025·0 cites·13 claims
- 2656US10478886B2Stamping method and stamping apparatusTOYOTA BOSHOKU KK·Filed 2014·Granted Nov 19, 2019·0 cites·5 claims
- 2755US12311425B2Workpiece production apparatusTOYOTA BOSHOKU KK·Filed 2021·Granted May 27, 2025·0 cites·1 claims
- 2854US9757787B2Metal plate stamping method and stamping apparatusTOYOTA BOSHOKU KK·Filed 2015·Granted Sep 12, 2017·0 cites·4 claims
- 2953US9550227B2Press molding machineTOYOTA BOSHOKU KK·Filed 2014·Granted Jan 24, 2017·0 cites·6 claims
- 3053US2019119599A1Lubricating oil for press workingTOYOTA BOSHOKU KK·Filed 2018·Application pending·0 cites
- 3152US2025268769A1VehicleTOYOTA BOSHOKU KK·Filed 2025·Application pending·0 cites
- 3251US10381660B2Separator for fuel cellTOYOTA BOSHOKU KK·Filed 2015·Granted Aug 13, 2019·0 cites·9 claims
- 3351US9735436B2Separator for fuel cellTOYOTA BOSHOKU KK·Filed 2015·Granted Aug 15, 2017·0 cites·6 claims
- 3451US2023256499A1Workpiece transport deviceTOYOTA BOSHOKU KK·Filed 2021·Application pending·0 cites
- 3551US2012275740A1Rolling-element bearing, and method and apparatus for manufacturing rolling-element bearingHIRATA KAZUYUKI·Filed 2012·Application pending·0 cites
- 3650US10265750B2Press die apparatusTOYOTA BOSHOKU KK·Filed 2016·Granted Apr 23, 2019·0 cites·6 claims
- 3750US9017506B2Method for manufacturing core of rotating electrical machineHIRATA KAZUYUKI·Filed 2012·Granted Apr 28, 2015·0 cites·6 claims
- 3849US10486219B2Metal plate punching method and metal plate punching systemTOYOTA BOSHOKU KK·Filed 2016·Granted Nov 26, 2019·0 cites·8 claims
- 3948US9233409B2Press dieTOYOTA BOSHOKU KK·Filed 2014·Granted Jan 12, 2016·0 cites·5 claims
- 4047US10507591B2Workpiece manufacturing apparatusTOYOTA BOSHOKU KK·Filed 2018·Granted Dec 17, 2019·0 cites·2 claims
- 4146US9809034B2Liquid supply unit having filterSEIKO EPSON CORP·Filed 2016·Granted Nov 7, 2017·0 cites·12 claims
- 4245US10843472B2Liquid housing container, liquid housing apparatus, and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2019·Granted Nov 24, 2020·0 cites·8 claims
- 4345US10328707B2Liquid containerSEIKO EPSON CORP·Filed 2018·Granted Jun 25, 2019·0 cites·3 claims
- 4444US9246360B2Laminate of metal plates, core for rotating electrical machine, and laminating method for laminate of metal platesTOYOTA BOSHOKU KK·Filed 2012·Granted Jan 26, 2016·0 cites·9 claims
- 4544US2015070447A1Liquid containerSEIKO EPSON CORP·Filed 2014·Application pending·0 cites
- 4642US12280695B2Position controlling deviceTOYOTA BOSHOKU KK·Filed 2022·Granted Apr 22, 2025·0 cites·8 claims
- 4742US8915279B2Rotary lamination apparatusHIRATA KAZUYUKI·Filed 2012·Granted Dec 23, 2014·0 cites·5 claims
- 4842US2020307229A1Liquid storage container and liquid ejection systemSEIKO EPSON CORP·Filed 2020·Application pending·0 cites
- 4941US9511576B2Rotary lamination apparatusTOYOTA BOSHOKU KK·Filed 2015·Granted Dec 6, 2016·0 cites·3 claims
- 5041US8485238B2Stamping-laminating apparatus and methodHIRATA KAZUYUKI·Filed 2011·Granted Jul 16, 2013·0 cites·5 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →