Inventor · disambiguated record
Hirokazu Arai
Also filed as: ARAI HIROKAZU
34 granted patents·5 pending applications·373 citations·filing 1989–2024
97Inventor score
Top patents by PatentIndex Score
39 records- 0193US6527642B1Power transmission coupling and power transmission apparatusKOYO SEIKO CO·Filed 2000·Granted Mar 4, 2003·42 cites·12 claims
- 0292US12269704B2Transport mechanism and air flow control apparatusNIPPON KINSEN KIKAI KK·Filed 2020·Granted Apr 8, 2025·4 cites·7 claims
- 0386US5797819AResin pulleyKOYO SEIKO CO·Filed 1997·Granted Aug 25, 1998·39 cites·6 claims
- 0485US6499885B2Seal ring, sealing apparatus and bearing apparatusKOYO SEIKO CO·Filed 2001·Granted Dec 31, 2002·20 cites·9 claims
- 0584US7475612B2Resin gear for electric power steering apparatus and electric power steering apparatus equipped with the sameASAHI ORGANIC CHEM IND·Filed 2007·Granted Jan 13, 2009·16 cites·7 claims
- 0681US5941704ACrown cage for ball bearing and dental hand piece including the sameKOYO SEIKO CO·Filed 1998·Granted Aug 24, 1999·37 cites·9 claims
- 0780US5356535AOil tankKOYO SEIKO CO·Filed 1992·Granted Oct 18, 1994·31 cites·9 claims
- 0873US10104451B2IP uncompressed video encoder and decoderMEDIA GLOBAL LINKS CO LTD·Filed 2017·Granted Oct 16, 2018·2 cites·5 claims
- 0971US6626261B1Electric power steering apparatusKOYO SEIKO CO·Filed 2000·Granted Sep 30, 2003·15 cites·1 claims
- 1071US6622814B2Electric power steering deviceKOYO SEIKO CO·Filed 2001·Granted Sep 23, 2003·21 cites·20 claims
- 1170US6767491B2Electric power steering apparatusKOYO SEIKO CO·Filed 2003·Granted Jul 27, 2004·9 cites·10 claims
- 1270US6557663B2Electric power steering apparatusKOYO SEIKO CO·Filed 2001·Granted May 6, 2003·9 cites·3 claims
- 1369US9794650B2IP uncompressed video encoder and decoderMEDIA GLOBAL LINKS CO LTD·Filed 2014·Granted Oct 17, 2017·2 cites·10 claims
- 1467US6425455B1Electric power steering apparatusKOYO SEIKO CO·Filed 2000·Granted Jul 30, 2002·18 cites·5 claims
- 1567US6394220B1Electric power steering deviceKOYO SEIKO CO·Filed 2000·Granted May 28, 2002·23 cites·4 claims
- 1665US10239525B2Driving support information generation device, driving support information generation method, driving support device, and driving support methodMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Mar 26, 2019·2 cites·20 claims
- 1765US6516915B2Electric power steering deviceKOYO SEIKO CO·Filed 2000·Granted Feb 11, 2003·11 cites·20 claims
- 1863US8336412B1Electric power steering apparatusISHII YASUHIRO·Filed 2000·Granted Dec 25, 2012·12 cites·1 claims
- 1962US6520683B2Seal ring, sealing device and rolling bearing including the sameKOYO SEIKO CO·Filed 2001·Granted Feb 18, 2003·9 cites·21 claims
- 2061US8962734B2Phenol resin molding material and pulley molded from said molding materialARAI HIROKAZU·Filed 2005·Granted Feb 24, 2015·2 cites·2 claims
- 2160US6987641B2Protection of electronic apparatus against erroneous operations by stopping power supplyPIONEER CORP·Filed 2004·Granted Jan 17, 2006·4 cites·5 claims
- 2258US11823518B2Information processing device and information processing systemNIPPON KINSEN KIKAI KK·Filed 2020·Granted Nov 21, 2023·0 cites·6 claims
- 2355US7728071B2Gear for electric power steering deviceDU PONT·Filed 2006·Granted Jun 1, 2010·0 cites·4 claims
- 2454US12509311B2Transport systemNIPPON KINSEN KIKAI KK·Filed 2024·Granted Dec 30, 2025·0 cites·25 claims
- 2553US6106422APower transmission member and material thereof containing carbon fiber, aromatic polyamide fiber and graphite with phenol resinKOYO SEIKO CO·Filed 1998·Granted Aug 22, 2000·13 cites·17 claims
- 2651US5022279ARack and pinion steering deviceKOYO SEIKO CO·Filed 1989·Granted Jun 11, 1991·12 cites·6 claims
- 2751US2007272781A1Resin pulleyJTEKT CORP·Filed 2007·Application pending·0 cites
- 2850US10982585B2Apparatus and method for cooling engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Apr 20, 2021·0 cites·8 claims
- 2949US12406545B2Paper sheet transport system and restoration methodNIPPON KINSEN KIKAI KK·Filed 2021·Granted Sep 2, 2025·0 cites·2 claims
- 3048US7215110B2Seal ring, sealing apparatus and bearing apparatusKOYO SEALING TECHNO CO LTD·Filed 2005·Granted May 8, 2007·0 cites·13 claims
- 3146US2007232428A1Bearing device equipped with resin-made pulleyJTEKT CORP·Filed 2007·Application pending·0 cites
- 3245US7452926B2Resin pulley formed of a resin composition having a phenol resin, an inorganic powder , a reinforcing fiber, and a lubricantJTEKT CORP·Filed 2003·Granted Nov 18, 2008·2 cites·4 claims
- 3343US5280868AReservoir supporting structureKOYO SEIKO CO·Filed 1992·Granted Jan 25, 1994·6 cites·20 claims
- 3442US6716907B2Phenolic molding compositionKOYO SEIKO CO·Filed 2001·Granted Apr 6, 2004·6 cites·8 claims
- 3539US2009048392A1Resin Pulley and Resin CompositionJTEKT CORP·Filed 2006·Application pending·0 cites
- 3638US2003059140A1Seal ring, sealing apparatus and bearing apparatusKOYO SEIKO CO·Filed 2002·Application pending·0 cites
- 3734US6717647B2Liquid crystal display panel sealing apparatus having a plurality of pressurizing actuatorsNEC LCD TECHNOLOGIES LTD·Filed 2001·Granted Apr 6, 2004·0 cites·13 claims
- 3834US2007021558A1Polyamide resin compositionSHINOHARA KENICHI·Filed 2006·Application pending·0 cites
- 3930US5941440ADriver of staple hammerMAX CO LTD·Filed 1996·Granted Aug 24, 1999·6 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →