Inventor · disambiguated record
Hiroyuki Oka
Also filed as: OBU YUICHIRO · OKA HIROYUKI
79 granted patents·28 pending applications·1,386 citations·filing 1974–2023
99Inventor score
Files withBOSCH BRAKING SYS CORP11SUMITOMO WIRING SYSTEMS11TOSHIBA KK11CANON KK7TOYOTA MOTOR CO LTD7
Top patents by PatentIndex Score
107 records- 0196US4473139ADustcover for a disc brakeTOYOTA MOTOR CO LTD·Filed 1984·Granted Sep 25, 1984·53 cites·10 claims
- 0292US6467266B1Brake boosterBOSCH BRAKING SYS CORP·Filed 2000·Granted Oct 22, 2002·37 cites·4 claims
- 0392US4809231AMethod and apparatus for post-packaging testing of one-time programmable memoriesMOTOROLA INC·Filed 1987·Granted Feb 28, 1989·101 cites·15 claims
- 0491US8031365B2Image processor and image processing method for reducing consumption amount of recording materialCANON KK·Filed 2008·Granted Oct 4, 2011·15 cites·10 claims
- 0591US4640558AAnti-skid brake systemTOYOTA MOTOR CO LTD·Filed 1984·Granted Feb 3, 1987·30 cites·14 claims
- 0688US10753503B2Solenoid valve for a fuel systemSTIHL AG & CO KG ANDREAS·Filed 2016·Granted Aug 25, 2020·4 cites·16 claims
- 0787US6467267B2Fluid pressure boosting device and brake system employing the sameBOSCH BRAKING SYS CORP·Filed 2001·Granted Oct 22, 2002·28 cites·21 claims
- 0887US4207971ARust preventing device for a rotor of a disc brakeTOYOTA MOTOR CO LTD·Filed 1977·Granted Jun 17, 1980·31 cites·2 claims
- 0986US6183049B1Brake boosting systemBOSCH BRAKING SYS CORP·Filed 1999·Granted Feb 6, 2001·39 cites·9 claims
- 1085US6315585B1Lever-type electrical connectorSUMITOMO WIRING SYSTEMS·Filed 2000·Granted Nov 13, 2001·61 cites·5 claims
- 1185US5975964AFemale terminal fittingSUMITOMO WIRING SYSTEMS·Filed 1997·Granted Nov 2, 1999·56 cites·8 claims
- 1285US5951336ATerminal fittingSUMITOMO WIRING SYSTEMS·Filed 1997·Granted Sep 14, 1999·50 cites·9 claims
- 1385US5908543AMethod of electroplating non-conductive materialsOKUNO CHEM IND CO·Filed 1997·Granted Jun 1, 1999·61 cites·6 claims
- 1485US4016533ADevice for warning of excessive wear on a brake liningTOYOTA MOTOR CO LTD·Filed 1974·Granted Apr 5, 1977·45 cites·3 claims
- 1584US4619879AComposite type photosensitive member having metal-free phthalocyanine in the charge generating layer and nonionic dye base in the charge transport layerHITACHI LTD·Filed 1985·Granted Oct 28, 1986·18 cites·37 claims
- 1683US7752349B2Apparatus and method for performing DMA data transferFUJITSU LTD·Filed 2006·Granted Jul 6, 2010·14 cites·12 claims
- 1783US6872092B2Waterproof connector with waterproof rib for sealed engagement with a rubber plugSUMITOMO WIRING SYSTEMS·Filed 2003·Granted Mar 29, 2005·32 cites·7 claims
- 1883US6652040B2Brake fluid pressure generating deviceBOSCH AUTOMOTIVE SYSTEMS CORP·Filed 2001·Granted Nov 25, 2003·20 cites·5 claims
- 1982US6352316B1Brake systemBOSCH BRAKING SYS CORP·Filed 2000·Granted Mar 5, 2002·19 cites·17 claims
- 2081US5116148AHeat transfer ink sheet having a precoating layer which is thermally transferred prior to sublimation of an ink dyeHITACHI LTD·Filed 1990·Granted May 26, 1992·57 cites·10 claims
- 2181US4507374AElectrophotographic recording medium containing τ and η metal-free phthalocyanineHITACHI LTD·Filed 1983·Granted Mar 26, 1985·13 cites·15 claims
- 2279US9773319B2Image processing apparatus, method, and mediumCANON KK·Filed 2015·Granted Sep 26, 2017·3 cites·9 claims
- 2379US4685749AHydraulic pressure control device for use in vehicle anti-skid braking systemNIPPON DENSO CO·Filed 1984·Granted Aug 11, 1987·20 cites·4 claims
- 2478US9422891B2Throttle valve deviceZAMA JAPAN CO LTD·Filed 2014·Granted Aug 23, 2016·2 cites·18 claims
- 2578US6019646AFemale terminal fittingSUMITOMO WIRING SYSTEMS·Filed 1997·Granted Feb 1, 2000·37 cites·12 claims
- 2678US4715667AHydraulic pressure control device for use in vehicle anti-skid braking systemNIPPON DENSO CO·Filed 1986·Granted Dec 29, 1987·19 cites·6 claims
- 2776US6196641B1Fluid pressure boosting device and brake pressure boosting system employing the deviceBOSCH BRAKING SYS CORP·Filed 1998·Granted Mar 6, 2001·26 cites·29 claims
- 2875US8733730B2Throttle valve deviceOKA HIROYUKI·Filed 2012·Granted May 27, 2014·2 cites·10 claims
- 2974US7229329B2Female terminal fittingSUMITOMO WIRING SYSTEMS·Filed 2006·Granted Jun 12, 2007·14 cites·8 claims
- 3073US4636009AHydraulic pressure control device for use in vehicle anti-skid braking systemNIPPON DENSO CO·Filed 1985·Granted Jan 13, 1987·16 cites·9 claims
- 3171US7565674B2Wireless data-transferring apparatusTOSHIBA KK·Filed 2003·Granted Jul 21, 2009·10 cites·5 claims
- 3271US6655140B2Fluid pressure boosting deviceBOSCH BRAKING SYS CORP·Filed 2002·Granted Dec 2, 2003·11 cites·4 claims
- 3371US6091945AAuthentication method for radio communication system, radio communication system, radio communication terminal and communication managing apparatusSONY CORP·Filed 1997·Granted Jul 18, 2000·66 cites·32 claims
- 3470US9124343B2Electronic apparatus and communication control methodTOSHIBA KK·Filed 2013·Granted Sep 1, 2015·2 cites·15 claims
- 3569US8451506B2Image processing apparatus, control method and storage mediumOKA HIROYUKI·Filed 2010·Granted May 28, 2013·3 cites·13 claims
- 3669US5253181AProgrammable one-board computer, and methods of verification of logic circuit and alteration to actual circuit using the programmable one-board computerKAWASAKI STEEL CO·Filed 1990·Granted Oct 12, 1993·50 cites·14 claims
- 3769US4611859AAnti-skid braking apparatus for vehiclesNIPPON DENSO CO·Filed 1985·Granted Sep 16, 1986·14 cites·11 claims
- 3869US2020072162A1Attachment structure for solenoid valve to carburetor unitZAMA JAPAN CO LTD·Filed 2019·Application pending·0 cites
- 3968US7181630B2Uninterrupted power supply managing system displays connection tree generated from connection information between interrupted power supply device and load devices received from lower controllerDENSEI LAMBDA KK·Filed 2002·Granted Feb 20, 2007·18 cites·12 claims
- 4068US7167520B2TranscoderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 23, 2007·8 cites·9 claims
- 4168US4940430AElectrical connector with openable coverSUMITOMO WIRING SYSTEMS·Filed 1989·Granted Jul 10, 1990·27 cites·2 claims
- 4267US9313366B2Image processing apparatus and image processing methodCANON KK·Filed 2015·Granted Apr 12, 2016·1 cites·13 claims
- 4367US5257166AConfigurable electronic circuit board adapter therefor, and designing method of electronic circuit using the same boardKAWASAKI STEEL CO·Filed 1992·Granted Oct 26, 1993·29 cites·11 claims
- 4467US4603920AHydraulic pressure control device for use in vehicle anti-skid braking systemNIPPON DENSO CO·Filed 1984·Granted Aug 5, 1986·13 cites·4 claims
- 4565US4624508ARegulator valve for hydraulic anti-skid apparatusAISIN SEIKI·Filed 1984·Granted Nov 25, 1986·12 cites·4 claims
- 4664US10267266B2Attachment structure for solenoid valve to carburetor unitZAMA JAPAN CO LTD·Filed 2017·Granted Apr 23, 2019·0 cites·18 claims
- 4764US7187867B2Optical wireless communication systemHONDA MOTOR CO LTD·Filed 2003·Granted Mar 6, 2007·10 cites·6 claims
- 4863US6463737B2Master cylinderBOSCH BRAKING SYS CORP·Filed 2001·Granted Oct 15, 2002·7 cites·7 claims
- 4962US4903265AMethod and apparatus for post-packaging testing of one-time programmable memoriesMOTOROLA INC·Filed 1988·Granted Feb 20, 1990·20 cites·9 claims
- 5061US12133304B2Light emitting module, and lighting deviceKOTO ELECTRIC CO LTD·Filed 2021·Granted Oct 29, 2024·0 cites·19 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroyuki 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 →