Inventor · disambiguated record
Hiroki Oka
Also filed as: OKA HIROKI
57 granted patents·12 pending applications·515 citations·filing 1986–2025
98Inventor score
Top patents by PatentIndex Score
69 records- 0196US11237481B2Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition maskDAINIPPON PRINTING CO LTD·Filed 2019·Granted Feb 1, 2022·3 cites·5 claims
- 0295US11733607B2Metal plate for producing vapor deposition masks, inspection method for metal plates, production method for metal plates, vapor deposition mask, vapor deposition mask device, and production method for vapor deposition masksDAINIPPON PRINTING CO LTD·Filed 2019·Granted Aug 22, 2023·2 cites·20 claims
- 0395US11566316B2Deposition mask group, manufacturing method of electronic device, and electronic deviceDAINIPPON PRINTING CO LTD·Filed 2021·Granted Jan 31, 2023·2 cites·28 claims
- 0492USD533578STripodSONY CORP·Filed 2005·Granted Dec 12, 2006·52 cites·1 claims
- 0591US4876527AVehicle speed detecting deviceAISIN SEIKI·Filed 1988·Granted Oct 24, 1989·59 cites·2 claims
- 0690US9774273B2Electric device and method of controlling the sameMAKITA CORP·Filed 2015·Granted Sep 26, 2017·8 cites·16 claims
- 0789US7105847B2Semiconductor processing-purpose substrate detecting method and device, and substrate transfer systemTOKYO ELECTRON LTD·Filed 2005·Granted Sep 12, 2006·15 cites·14 claims
- 0889US2025043399A1Metal plate for producing vapor deposition masks, production method for metal plates, vapor deposition mask, production method for vapor deposition mask, and vapor deposition mask device comprising vapor deposition maskDAINIPPON PRINTING CO LTD·Filed 2024·Application pending·0 cites
- 0987US11649539B2Deposition mask group, manufacturing method of electronic device, and electronic deviceDAINIPPON PRINTING CO LTD·Filed 2021·Granted May 16, 2023·1 cites·8 claims
- 1086US11667983B2Method for manufacturing metal plateDAINIPPON PRINTING CO LTD·Filed 2020·Granted Jun 6, 2023·1 cites·12 claims
- 1186US10747148B1Image forming apparatus and recording material guide deviceFUJI XEROX CO LTD·Filed 2019·Granted Aug 18, 2020·2 cites·14 claims
- 1284US12117727B2Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition maskDAINIPPON PRINTING CO LTD·Filed 2021·Granted Oct 15, 2024·0 cites·5 claims
- 1382US12227823B2Metal plate for producing vapor deposition masks, production method for metal plates, vapor deposition mask, production method for vapor deposition mask, and vapor deposition mask device comprising vapor deposition maskDAINIPPON PRINTING CO LTD·Filed 2019·Granted Feb 18, 2025·0 cites·14 claims
- 1481USD350753SDigital audio disc player combined with a radio tuner and a tape recorderSONY CORP·Filed 1992·Granted Sep 20, 1994·22 cites·1 claims
- 1580US11527426B2Substrate processing deviceTOKYO ELECTRON LTD·Filed 2018·Granted Dec 13, 2022·3 cites·9 claims
- 1679US11732361B2Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition maskDAINIPPON PRINTING CO LTD·Filed 2020·Granted Aug 22, 2023·1 cites·20 claims
- 1779US6488262B1Gate valve for semiconductor processing systemTOKYO ELECTRON LTD·Filed 2000·Granted Dec 3, 2002·23 cites·16 claims
- 1878US9805962B2Substrate conveyance method, and substrate conveyance deviceTOKYO ELECTRON LTD·Filed 2013·Granted Oct 31, 2017·4 cites·7 claims
- 1978USD567798SIC recorderSONY CORP·Filed 2007·Granted Apr 29, 2008·23 cites·1 claims
- 2077US11939659B2Deposition mask group, manufacturing method of electronic device, and electronic deviceDAINIPPON PRINTING CO LTD·Filed 2022·Granted Mar 26, 2024·0 cites·10 claims
- 2177USD527751STransfer-chamberTOKYO ELECTRON LTD·Filed 2004·Granted Sep 5, 2006·22 cites·1 claims
- 2276US8048235B2Gate valve cleaning method and substrate processing systemTOKYO ELECTRON LTD·Filed 2008·Granted Nov 1, 2011·4 cites·11 claims
- 2376USD542262SIC recorderSONY CORP·Filed 2005·Granted May 8, 2007·22 cites·1 claims
- 2475USD581898SPortable recorderSONY CORPROATION·Filed 2007·Granted Dec 2, 2008·21 cites·1 claims
- 2574USD578994SPortable recorderSONY CORP·Filed 2007·Granted Oct 21, 2008·19 cites·1 claims
- 2674USD412515SVideo camera combined with video tape recorderSONY CORP·Filed 1998·Granted Aug 3, 1999·18 cites·1 claims
- 2773US8382938B2Gate valve cleaning method and substrate processing systemTOKYO ELECTRON LTD·Filed 2011·Granted Feb 26, 2013·2 cites·12 claims
- 2872US6932885B1Vacuum processing deviceTOKYO ELECTRON LTD·Filed 2000·Granted Aug 23, 2005·15 cites·10 claims
- 2972US6828994B2Video camera system having remote commanderSONY CORP·Filed 2001·Granted Dec 7, 2004·9 cites·6 claims
- 3069US7545410B2Video camera system having remote commanderSONY CORP·Filed 2003·Granted Jun 9, 2009·7 cites·40 claims
- 3168USD623166SPortable recorderSONY CORP·Filed 2009·Granted Sep 7, 2010·14 cites·1 claims
- 3268US2025084499A1Metal plate and method for manufacturing the same, and method for manufacturing metal maskDAINIPPON PRINTING CO LTD·Filed 2024·Application pending·0 cites
- 3367USD486845SVideo cameraSONY CORP·Filed 2003·Granted Feb 17, 2004·14 cites·1 claims
- 3466US10971385B2Substrate processing apparatus and transfer position correcting methodTOKYO ELECTRON LTD·Filed 2019·Granted Apr 6, 2021·1 cites·8 claims
- 3566US6556240B2Video camera system having remote commanderSONY CORP·Filed 1998·Granted Apr 29, 2003·26 cites·29 claims
- 3662USD461788SCombined video printer and player/recorderSONY CORP·Filed 2001·Granted Aug 20, 2002·12 cites·1 claims
- 3762USD450741SVideo cameraSONY CORP·Filed 2000·Granted Nov 20, 2001·12 cites·1 claims
- 3862US2025222500A1Metal plate, method for manufacturing metal plate, and method for manufacturing metal maskDAINIPPON PRINTING CO LTD·Filed 2025·Application pending·0 cites
- 3961US2025319506A1Device for measuring metal plate, measuring method, and method for manufacturing metal plateDAINIPPON PRINTING CO LTD·Filed 2025·Application pending·0 cites
- 4060US10859939B2Image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Dec 8, 2020·0 cites·17 claims
- 4156US10802413B1Charging device, image forming structure, and image forming deviceFUJI XEROX CO LTD·Filed 2019·Granted Oct 13, 2020·0 cites·7 claims
- 4256USD556157SLoad-lock chamberTOKYO ELECTRON LTD·Filed 2004·Granted Nov 27, 2007·9 cites·1 claims
- 4355US4742988AElectrical apparatus including solenoid device and energization control circuit thereforAISIN SEIKI·Filed 1986·Granted May 10, 1988·11 cites·8 claims
- 4453US11351808B2Recording medium post-processing deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jun 7, 2022·0 cites·14 claims
- 4552US4972095ABinary digitizer circuit for voltages developed across induction coilAISIN SEIKI·Filed 1989·Granted Nov 20, 1990·9 cites·3 claims
- 4652US2023154777A1Substrate transfer apparatus and substrate transfer methodTOKYO ELECTRON LTD·Filed 2022·Application pending·0 cites
- 4751USD421032SStabilizer for a video cameraSONY CORP·Filed 1998·Granted Feb 22, 2000·7 cites·1 claims
- 4851USD410431SBattery chargerSONY CORP·Filed 1998·Granted Jun 1, 1999·7 cites·1 claims
- 4948US10797494B2Power supply adapter and method for supplying electric power to electric working machineMAKITA CORP·Filed 2018·Granted Oct 6, 2020·0 cites·13 claims
- 5048US2023213927A1Abnormal irregularity cause identifying device, abnormal irregularity cause identifying method, and abnormal irregularity cause identifying programDAICEL CORP·Filed 2021·Application pending·0 cites
Showing the top 50 of 69 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroki Oka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →