Inventor · disambiguated record
Kazuhiro Doi
Also filed as: DOI KAZUHIRO
74 granted patents·36 pending applications·1,334 citations·filing 1987–2025
99Inventor score
Top patents by PatentIndex Score
110 records- 0195US5975252ADisk brakeTOKICO LTD·Filed 1998·Granted Nov 2, 1999·73 cites·10 claims
- 0295US5934417ADisc brake return springTOKICO LTD·Filed 1997·Granted Aug 10, 1999·72 cites·6 claims
- 0395US5426703AActive noise eliminating systemNISSAN MOTOR·Filed 1992·Granted Jun 20, 1995·149 cites·17 claims
- 0493US5947233ADisc brakeTOKICO LTD·Filed 1997·Granted Sep 7, 1999·69 cites·6 claims
- 0587US5337365AApparatus for actively reducing noise for interior of enclosed spaceNISSAN MOTOR·Filed 1992·Granted Aug 9, 1994·87 cites·27 claims
- 0686US9027830B2Cash handling system, cash handling method, management unit and cash accounting apparatusDOI KAZUHIRO·Filed 2012·Granted May 12, 2015·8 cites·10 claims
- 0786USD603923SBack design for an iron golf club headMIZUNO USA INC·Filed 2008·Granted Nov 10, 2009·21 cites·1 claims
- 0886US5384853AActive noise reduction apparatusNISSAN MOTOR·Filed 1993·Granted Jan 24, 1995·82 cites·42 claims
- 0984US10357696B2Golf club head and golf clubMIZUNO KK·Filed 2016·Granted Jul 23, 2019·9 cites·4 claims
- 1084US9522311B2Iron golf club head and iron golf clubMIZUNO KK·Filed 2014·Granted Dec 20, 2016·13 cites·6 claims
- 1183US9202326B2Money handling apparatusDOI KAZUHIRO·Filed 2010·Granted Dec 1, 2015·4 cites·18 claims
- 1283US8256624B2Money handling apparatus and dispensing method thereofDOI KAZUHIRO·Filed 2009·Granted Sep 4, 2012·11 cites·10 claims
- 1383US5325437AApparatus for reducing noise in space applicable to vehicle compartmentNISSAN MOTOR·Filed 1992·Granted Jun 28, 1994·73 cites·17 claims
- 1483US4909489AMounting device suitable for supporting automotive power unitsNISSAN MOTOR·Filed 1989·Granted Mar 20, 1990·39 cites·11 claims
- 1582USD619184SBack design for iron golf club headsMIZUNO USA INC·Filed 2009·Granted Jul 6, 2010·28 cites·1 claims
- 1682USD619183SBack design for iron golf club headsMIZUNO USA INC·Filed 2009·Granted Jul 6, 2010·28 cites·1 claims
- 1781US10688354B2Method for manufacturing iron golf club head, iron golf club head, and iron golf clubMIZUNO KK·Filed 2018·Granted Jun 23, 2020·5 cites·5 claims
- 1881USD720026SIron-type golf club headMIZUNO USA INC·Filed 2013·Granted Dec 23, 2014·26 cites·1 claims
- 1981US6247561B1Disk brakeTOKICO LTD·Filed 1999·Granted Jun 19, 2001·32 cites·10 claims
- 2080US8834292B2Iron golf club head and iron golf clubTSUJI KEI·Filed 2012·Granted Sep 16, 2014·20 cites·5 claims
- 2179US8369986B2Paper sheet handling apparatusGLORY KOGYO KK·Filed 2008·Granted Feb 5, 2013·6 cites·6 claims
- 2279USD645103SIron-type golf clubMIZUNO USA·Filed 2010·Granted Sep 13, 2011·26 cites·1 claims
- 2378US8567585B2Money handling apparatusOKAMURA MASAO·Filed 2009·Granted Oct 29, 2013·8 cites·15 claims
- 2477USD682962SIron-type golf club headLLEWELLYN DAVID·Filed 2012·Granted May 21, 2013·22 cites·1 claims
- 2577US8021246B2Iron golf club heads and golf club sets with variable weight distributionMIZUNO USA INC·Filed 2009·Granted Sep 20, 2011·11 cites·6 claims
- 2676US9865114B2Cash management method and a cash management systemGLORY KOGYO KK·Filed 2016·Granted Jan 9, 2018·2 cites·15 claims
- 2775USD736875SIron-type golf club headMIZUNO USA INC·Filed 2014·Granted Aug 18, 2015·19 cites·1 claims
- 2874US10709943B2Iron golf club head and iron golf clubMIZUNO KK·Filed 2019·Granted Jul 14, 2020·4 cites·15 claims
- 2974US7166677B2Polypropylene resin compositionsSUMITOMO CHEMICAL CO·Filed 2005·Granted Jan 23, 2007·3 cites·9 claims
- 3074US6223867B1Disk brakeTOKICO LTD·Filed 1998·Granted May 1, 2001·26 cites·20 claims
- 3173US6189659B1Disk brakeTOKICO LTD·Filed 1998·Granted Feb 20, 2001·23 cites·12 claims
- 3273US5416844AApparatus for reducing noise in space applicable to vehicle passenger compartmentNISSAN MOTOR·Filed 1993·Granted May 16, 1995·44 cites·14 claims
- 3373US4833373ASystem for shaking water off windshieldNISSAN MOTOR·Filed 1987·Granted May 23, 1989·35 cites·8 claims
- 3472US10580246B2Money handling apparatusGLORY KOGYO KK·Filed 2018·Granted Mar 3, 2020·0 cites·13 claims
- 3572US7766229B2Bill/coin processing systemGLORY KOGYO KK·Filed 2007·Granted Aug 3, 2010·3 cites·22 claims
- 3671US11393273B2Money handling apparatusGLORY KOGYO KK·Filed 2020·Granted Jul 19, 2022·0 cites·17 claims
- 3771USD736873SIron-type golf club headMIZUNO USA INC·Filed 2014·Granted Aug 18, 2015·16 cites·1 claims
- 3871US7972222B2Iron golf club heads and golf club sets with variable weight distributionMIZUNO USA INC·Filed 2009·Granted Jul 5, 2011·7 cites·24 claims
- 3970US5052662AMounting arrangement for automotive engineNISSAN MOTOR·Filed 1989·Granted Oct 1, 1991·26 cites·1 claims
- 4068US9150365B2Money handling system and money handling methodGLORY KOGYO KK·Filed 2014·Granted Oct 6, 2015·1 cites·18 claims
- 4167USD629061SIron-type golf clubMIZUNO USA INC·Filed 2010·Granted Dec 14, 2010·15 cites·1 claims
- 4267US6325185B1Brake disc rotorNISSAN MOTOR·Filed 1999·Granted Dec 4, 2001·19 cites·17 claims
- 4366US6838510B2Resin composition for automotive exterior partsMITSUI CHEMICALS INC·Filed 2002·Granted Jan 4, 2005·7 cites·19 claims
- 4465US9004350B2Money handling apparatusDOI KAZUHIRO·Filed 2008·Granted Apr 14, 2015·1 cites·19 claims
- 4563USD720027SIron-type golf club headMIZUNO USA INC·Filed 2013·Granted Dec 23, 2014·12 cites·1 claims
- 4662US11007411B2Method for manufacturing iron golf club head, iron golf club head, and iron golf clubMIZUNO KK·Filed 2020·Granted May 18, 2021·0 cites·3 claims
- 4762US9214049B2Valuable-medium processing apparatus and valuable-medium processing methodDOI KAZUHIRO·Filed 2009·Granted Dec 15, 2015·2 cites·15 claims
- 4862USD736872SIron-type golf club headMIZUNO USA INC·Filed 2014·Granted Aug 18, 2015·11 cites·1 claims
- 4962US2015187157A1Money handling apparatusGLORY KOGYO KK·Filed 2015·Application pending·0 cites
- 5062US2025308348A1Cash handling apparatus and cash handling methodGLORY KOGYO KK·Filed 2025·Application pending·0 cites
Showing the top 50 of 110 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →