Inventor · disambiguated record
Hiroshi Kawaguchi
Also filed as: KAWAGUCHI HIROSHI
199 granted patents·53 pending applications·3,326 citations·filing 1974–2025
99Inventor score
Files withACUSHNET CO39TOYOTA MOTOR CO LTD34KAWAGUCHI HIROSHI20RENESAS ELECTRONICS CORP14KARSTEN MFG CORP12
Top patents by PatentIndex Score
252 records- 0199US6079513ASteering apparatus for vehicleKOYO SEIKO CO·Filed 1998·Granted Jun 27, 2000·227 cites·3 claims
- 0298US11819741B2Golf club head and golf club head structuresKARSTEN MFG CORP·Filed 2020·Granted Nov 21, 2023·12 cites·9 claims
- 0398US11213730B2Golf club head with improved inertia performanceACUSHNET CO·Filed 2020·Granted Jan 4, 2022·13 cites·15 claims
- 0497US11813491B2Golf club having removable weightACUSHNET CO·Filed 2022·Granted Nov 14, 2023·10 cites·20 claims
- 0597US11331546B2Golf club head with improved inertia performanceACUSHNET CO·Filed 2020·Granted May 17, 2022·10 cites·20 claims
- 0697US9853108B2Nitride semiconductor device using insulating films having different bandgaps to enhance performanceRENESAS ELECTRONICS CORP·Filed 2016·Granted Dec 26, 2017·14 cites·20 claims
- 0797US9440126B2Golf club and golf club head structuresBOYD ROBERT·Filed 2012·Granted Sep 13, 2016·57 cites·16 claims
- 0897US8845454B2Golf club or other ball striking device having stiffened face portionBOYD ROBERT·Filed 2011·Granted Sep 30, 2014·96 cites·52 claims
- 0997US8600443B2Sensor network system for acquiring high quality speech signals and communication method thereforKAWAGUCHI HIROSHI·Filed 2012·Granted Dec 3, 2013·169 cites·6 claims
- 1097US8221260B2High moment of inertia wood-type golf clubs and golf club headsSTITES JOHN T·Filed 2010·Granted Jul 17, 2012·41 cites·44 claims
- 1197US7744487B2Golf clubs and golf club heads having feel altering systemsNIKE INC·Filed 2006·Granted Jun 29, 2010·110 cites·22 claims
- 1297US7476162B2Golf club head having a bridge member and a damping elementNIKE INC·Filed 2004·Granted Jan 13, 2009·168 cites·25 claims
- 1396US9724573B2Golf clubs and golf club headsNIKE INC·Filed 2014·Granted Aug 8, 2017·23 cites·18 claims
- 1496US7258625B2Golf clubs and golf club headsNIKE INC·Filed 2004·Granted Aug 21, 2007·122 cites·34 claims
- 1596US5890498AHairpiece toyKAWAGUCHI CO LTD·Filed 1997·Granted Apr 6, 1999·90 cites·10 claims
- 1695US8133135B2High moment of inertia wood-type golf clubs and golf club headsSTITES JOHN THOMAS·Filed 2008·Granted Mar 13, 2012·75 cites·53 claims
- 1795US7775903B2Golf clubs and golf club headsNIKE INC·Filed 2007·Granted Aug 17, 2010·61 cites·19 claims
- 1895US6523637B1Steering apparatus for automobileKOYO SEIKO CO·Filed 1998·Granted Feb 25, 2003·105 cites·4 claims
- 1994US11752405B2Golf club head with improved inertia performanceACUSHNET CO·Filed 2021·Granted Sep 12, 2023·4 cites·15 claims
- 2094US11497970B2Golf club head with improved inertia performance and removable aft body coupled by snap fit connectionACUSHNET CO·Filed 2021·Granted Nov 15, 2022·6 cites·15 claims
- 2194US10434380B2Multi-material golf club headACUSHNET CO·Filed 2017·Granted Oct 8, 2019·16 cites·20 claims
- 2294US9987533B2Golf club and golf club head structuresKARSTEN MFG CORP·Filed 2016·Granted Jun 5, 2018·16 cites·9 claims
- 2394US9559183B2Semiconductor device with varying thickness of insulating film between electrode and gate electrode and method of manufacturing semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2014·Granted Jan 31, 2017·14 cites·12 claims
- 2494US6082482AVehicle steering apparatusKOYO SEIKO CO·Filed 1998·Granted Jul 4, 2000·90 cites·16 claims
- 2594US4156532ASealing device for an automobile disk brakeTOYOTA MOTOR CO LTD·Filed 1976·Granted May 29, 1979·45 cites·6 claims
- 2693US9022880B2Golf clubs and golf club headsKAWAGUCHI HIROSHI·Filed 2011·Granted May 5, 2015·40 cites·22 claims
- 2793US8632420B2Golf clubs and golf club headsKAWAGUCHI HIROSHI·Filed 2012·Granted Jan 21, 2014·26 cites·21 claims
- 2893US7697746B2Inspection system and inspection methodHITACHI HIGH TECH CORP·Filed 2005·Granted Apr 13, 2010·24 cites·12 claims
- 2993US5739573ASemiconductor device with improved salicide structure and a method of manufacturing the sameNEC CORP·Filed 1997·Granted Apr 14, 1998·119 cites·27 claims
- 3092US12036448B2Iron with sole slotACUSHNET CO·Filed 2022·Granted Jul 16, 2024·3 cites·11 claims
- 3192US8550935B2High moment of inertia wood-type golf clubs and golf club headsSTITES JOHN THOMAS·Filed 2012·Granted Oct 8, 2013·24 cites·43 claims
- 3291US11027178B2Golf club head with improved inertia performanceACUSHNET CO·Filed 2019·Granted Jun 8, 2021·11 cites·18 claims
- 3391US8552492B2Semiconductor deviceSANADA KAZUHIKO·Filed 2010·Granted Oct 8, 2013·24 cites·19 claims
- 3491US6704528B1Image forming apparatus having detachable cleaning unitCANON KK·Filed 2000·Granted Mar 9, 2004·37 cites·26 claims
- 3591US4441380AFoot-operated control device for parking brakeTOYOTA MOTOR CO LTD·Filed 1982·Granted Apr 10, 1984·33 cites·14 claims
- 3690US12453907B2Golf club and golf club headsKARSTEN MFG CORP·Filed 2023·Granted Oct 28, 2025·2 cites·11 claims
- 3790US12115419B2Golf club head with improved inertia performanceACUSHNET CO·Filed 2022·Granted Oct 15, 2024·2 cites·20 claims
- 3890US10050142B2Semiconductor device and a method for manufacturing a semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Aug 14, 2018·5 cites·12 claims
- 3990US8311905B1Computerized system and method for automated demand-based parts deliveryCAMPBELL JOHN·Filed 2009·Granted Nov 13, 2012·36 cites·20 claims
- 4090US4058084ASealing and adjusting means in a disk brakeTOYOTA MOTOR CO LTD·Filed 1976·Granted Nov 15, 1977·39 cites·24 claims
- 4189US10653927B2Multi-material golf club headACUSHNET CO·Filed 2018·Granted May 19, 2020·9 cites·19 claims
- 4289US10256100B2Manufacturing method of semiconductor device and semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2015·Granted Apr 9, 2019·7 cites·3 claims
- 4389US5897360AManufacturing method of semiconductor integrated circuitNEC CORP·Filed 1997·Granted Apr 27, 1999·109 cites·6 claims
- 4488US11577131B2Golf club head with improved inertia performanceACUSHNET CO·Filed 2021·Granted Feb 14, 2023·2 cites·19 claims
- 4588US10343030B2Multi-material golf club headACUSHNET CO·Filed 2016·Granted Jul 9, 2019·12 cites·20 claims
- 4688US9830990B2Semiconductor memory deviceROHM CO LTD·Filed 2017·Granted Nov 28, 2017·9 cites·12 claims
- 4788US8852023B2Golf club head having a bridge member and a damping elementSTITES JOHN T·Filed 2012·Granted Oct 7, 2014·12 cites·17 claims
- 4888US8476701B2Semiconductor device with gate electrode including a concave portionUEDA TAKEHIRO·Filed 2011·Granted Jul 2, 2013·9 cites·28 claims
- 4988US7813659B2Image forming apparatus and method of controlling the sameCANON KK·Filed 2008·Granted Oct 12, 2010·9 cites·8 claims
- 5088USD457212SGolf club headTAYLOR MADE GOLF CO·Filed 2001·Granted May 14, 2002·46 cites·1 claims
Showing the top 50 of 252 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →