Inventor · disambiguated record
Koji Hiramatsu
Also filed as: HIRAMATSU KOJI
44 granted patents·19 pending applications·672 citations·filing 1977–2023
98Inventor score
Top patents by PatentIndex Score
63 records- 0194US6375260B1Child seatTAKATA CORP·Filed 2000·Granted Apr 23, 2002·104 cites·9 claims
- 0293US11226043B2Ball valveFUJIKIN KK·Filed 2020·Granted Jan 18, 2022·3 cites·8 claims
- 0393US6183044B1Child seatTAKATA CORP·Filed 2000·Granted Feb 6, 2001·90 cites·11 claims
- 0490US4118529ASuede woven fabric and a process of manufacturing the sameKURARAY CO·Filed 1977·Granted Oct 3, 1978·22 cites·18 claims
- 0584US7631831B2Seat belt retractorTAKATA CORP·Filed 2007·Granted Dec 15, 2009·15 cites·27 claims
- 0684US7029068B2Child seatTAKATA CORP·Filed 2003·Granted Apr 18, 2006·43 cites·20 claims
- 0783US5984223ASeat belt retractor and its spoolTAKATA CORP·Filed 1998·Granted Nov 16, 1999·53 cites·7 claims
- 0881US7392957B2Seatbelt retractor system and seatbelt systemTAKATA CORP·Filed 2006·Granted Jul 1, 2008·13 cites·10 claims
- 0979US7370822B2Seatbelt retractor having multi-level load-limit setting devicesTAKATA CORP·Filed 2005·Granted May 13, 2008·12 cites·21 claims
- 1079US5584107ABuckle device for infant restraining seatTAKATA CORP·Filed 1995·Granted Dec 17, 1996·42 cites·6 claims
- 1178US6568621B2Seat belt retractorTAKATA CORP·Filed 2001·Granted May 27, 2003·28 cites·9 claims
- 1278US5374110APretensioner for seat beltsTAKATA CORP·Filed 1993·Granted Dec 20, 1994·45 cites·1 claims
- 1377US7152824B2Seat belt retractor and seat belt device equipped with the sameTAKATA CORP·Filed 2004·Granted Dec 26, 2006·24 cites·14 claims
- 1472US5527094ARestraint and protection seat for infantTAKATA CORP·Filed 1994·Granted Jun 18, 1996·48 cites·4 claims
- 1571US11041566B2Seal structure, sealing method, and coupling equipped with said seal structureFUJIKIN KK·Filed 2017·Granted Jun 22, 2021·1 cites·7 claims
- 1670US11326742B2ValveFUJIKIN KK·Filed 2018·Granted May 10, 2022·1 cites·4 claims
- 1766US8083262B2Seat belt retractor and seat belt apparatusHIRAMATSU KOJI·Filed 2009·Granted Dec 27, 2011·7 cites·8 claims
- 1865US7354014B2Seat belt retractorTAKATA CORP·Filed 2004·Granted Apr 8, 2008·13 cites·8 claims
- 1965US4924143AColored fluoroescent display lamp assemblyMATSUSHITA ELECTRIC WORKS LTD·Filed 1988·Granted May 8, 1990·14 cites·12 claims
- 2064US2024353048A1Joint with built-in filterFUJIKIN KK·Filed 2022·Application pending·0 cites
- 2159US8905439B2Retractor device for seatbelt, and seatbelt deviceHIRAMATSU KOJI·Filed 2012·Granted Dec 9, 2014·2 cites·5 claims
- 2259US7883044B2Seat belt retractorTAKATA CORP·Filed 2007·Granted Feb 8, 2011·3 cites·6 claims
- 2359US7874589B2Seat belt retractorTAKATA CORP·Filed 2008·Granted Jan 25, 2011·2 cites·7 claims
- 2459US7661712B2Seat belt retractorTAKATA CORP·Filed 2008·Granted Feb 16, 2010·2 cites·7 claims
- 2558US8430350B2Seat belt retractorHIRAMATSU KOJI·Filed 2010·Granted Apr 30, 2013·2 cites·16 claims
- 2657US10023150B2Seat belt retractor and seat belt apparatus provided with sameJOYSON SAFETY SYSTEMS JAPAN KK·Filed 2014·Granted Jul 17, 2018·1 cites·15 claims
- 2756US8297709B2Seat belt retractor and seat belt apparatus having the sameHIRAMATSU KOJI·Filed 2009·Granted Oct 30, 2012·2 cites·11 claims
- 2852US12287036B2ValveFUJIKIN KK·Filed 2021·Granted Apr 29, 2025·0 cites·5 claims
- 2951US2010096902A1Seatbelt retractor and seatbelt apparatus having the sameTAKATA CORP·Filed 2009·Application pending·0 cites
- 3049US4780645AElectronic light radiation tubeMATSUSHITA ELECTRIC WORKS LTD·Filed 1986·Granted Oct 25, 1988·7 cites·11 claims
- 3149US2008099594A1Seat belt retractor and seat belt apparatus comprising the sameTAKATA CORP·Filed 2007·Application pending·0 cites
- 3249US2009057471A1Seat belt retractorTAKATA CORP·Filed 2008·Application pending·0 cites
- 3349US2009057470A1Seat belt retractorTAKATA CORP·Filed 2008·Application pending·0 cites
- 3449US2008029633A1Seatbelt retractorTAKATA CORP·Filed 2007·Application pending·0 cites
- 3548US5313690ABuckle pretensioner for seat belt systemsTAKATA CORP·Filed 1993·Granted May 24, 1994·16 cites·1 claims
- 3647USRE47450ESeat belt retractor and seat belt apparatus having the sameHIRAMATSU KOJI·Filed 2014·Granted Jun 25, 2019·0 cites·11 claims
- 3747US7350735B2Seat belt retractorTAKATA CORP·Filed 2004·Granted Apr 1, 2008·2 cites·14 claims
- 3847US2006237572A1Seatbelt retractorTAKATA CORP·Filed 2006·Application pending·0 cites
- 3946US7975741B2Pneumatic tire and producing method of pneumatic tireTOYO TIRE & RUBBER CO·Filed 2006·Granted Jul 12, 2011·0 cites·8 claims
- 4045US2006237569A1Seatbelt retractorTAKATA CORP·Filed 2006·Application pending·0 cites
- 4145US2006022078A1Seatbelt retractor and seatbelt systemTAKATA CORP·Filed 2005·Application pending·0 cites
- 4245US2024200699A1JointFUJIKIN KK·Filed 2022·Application pending·0 cites
- 4344US8403423B2Method of limiting a load applied on a seat belt in an emergencyHIRAMATSU KOJI·Filed 2012·Granted Mar 26, 2013·0 cites·7 claims
- 4444US5576536AImage forming apparatus including motor-driven rotary scanner and system for judging if motor rotation comes to steady state and for maintaining rotation at steady stateMINOLTA CO LTD·Filed 1994·Granted Nov 19, 1996·9 cites·5 claims
- 4544US2020050221A1Sensor-equipped joint and monitoring system using the sameFUJIKIN KK·Filed 2018·Application pending·0 cites
- 4643US2009096201A1Seat Belt Retractor and Seat Belt ApparatusTAKATA CORP·Filed 2007·Application pending·0 cites
- 4743US2006243844A1Seatbelt retractorTAKATA CORP·Filed 2006·Application pending·0 cites
- 4842US2003142348A1Image forming system and image forming apparatusMINOLTA CO LTD·Filed 2002·Application pending·0 cites
- 4942US2007051840A1Seatbelt retractor and seatbelt apparatusTAKATA CORP·Filed 2006·Application pending·0 cites
- 5041US6427740B1Protective coating for the tire sidewallsTOYO TIRE & RUBBER CO·Filed 2000·Granted Aug 6, 2002·4 cites·4 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →