Inventor · disambiguated record
Akio Yamamoto
Also filed as: YAMAMOTO AKIO
155 granted patents·34 pending applications·3,537 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
189 records- 0197US7018303B2Golf clubheadSRI SPORTS LTD·Filed 2002·Granted Mar 28, 2006·185 cites·13 claims
- 0296US9981164B2Golf club head and manufacturing method for sameDUNLOP SPORTS CO LTD·Filed 2016·Granted May 29, 2018·3 cites·8 claims
- 0396US7462110B2Golf club head and golf clubSRI SPORTS LTD·Filed 2006·Granted Dec 9, 2008·76 cites·9 claims
- 0496US7189165B2Golf club headSRI SPORTS LTD·Filed 2005·Granted Mar 13, 2007·94 cites·7 claims
- 0595US8740721B2Iron-type golf club headYAMAMOTO AKIO·Filed 2011·Granted Jun 3, 2014·58 cites·7 claims
- 0695US7713141B2Golf club headSRI SPORTS LTD·Filed 2007·Granted May 11, 2010·87 cites·31 claims
- 0795US7510485B2Golf club headSRI SPORTS LTD·Filed 2005·Granted Mar 31, 2009·85 cites·11 claims
- 0894US8870680B2Golf club head and golf clubDUNLOP SPORTS CO LTD·Filed 2012·Granted Oct 28, 2014·44 cites·25 claims
- 0994US8246489B2Golf club headYAMAMOTO AKIO·Filed 2010·Granted Aug 21, 2012·41 cites·20 claims
- 1094US7331877B2Golf club headSRI SPORTS LTD·Filed 2004·Granted Feb 19, 2008·94 cites·10 claims
- 1193US8668597B2Golf clubYAMAMOTO AKIO·Filed 2010·Granted Mar 11, 2014·31 cites·3 claims
- 1293US7922599B2Golf clubSRI SPORTS LTD·Filed 2008·Granted Apr 12, 2011·57 cites·12 claims
- 1393US7066833B2Golf club headSUMITOMO RUBBER IND·Filed 2003·Granted Jun 27, 2006·90 cites·14 claims
- 1493US6579190B2Ball motion measuring apparatusSUMITOMO RUBBER IND·Filed 2001·Granted Jun 17, 2003·95 cites·13 claims
- 1592US8944934B2Golf club headDUNLOP SPORTS CO LTD·Filed 2012·Granted Feb 3, 2015·29 cites·18 claims
- 1692US7390271B2Golf club headSRI SPORTS LTD·Filed 2005·Granted Jun 24, 2008·48 cites·10 claims
- 1792US6255011B1Fuel cell stackHONDA MOTOR CO LTD·Filed 2000·Granted Jul 3, 2001·58 cites·8 claims
- 1892US4521589ALinear poly(3-alkyl-2,5-thienylene) polymerTOKYO INST TECH·Filed 1984·Granted Jun 4, 1985·55 cites·18 claims
- 1991US10872745B2Charged-particle beam systemHITACHI HIGH TECH CORP·Filed 2017·Granted Dec 22, 2020·7 cites·9 claims
- 2091US9174098B2Golf club headDUNLOP SPORTS CO LTD·Filed 2012·Granted Nov 3, 2015·26 cites·13 claims
- 2190US7682263B2Golf club headSRI SPORTS LTD·Filed 2007·Granted Mar 23, 2010·39 cites·19 claims
- 2290US7572194B2Golf club head and golf clubSRI SPORTS LTD·Filed 2008·Granted Aug 11, 2009·34 cites·7 claims
- 2390US4919518AMulti-screen projectorHITACHI LTD·Filed 1989·Granted Apr 24, 1990·36 cites·45 claims
- 2489US8870681B2Golf club head and golf clubDUNLOP SPORTS CO LTD·Filed 2012·Granted Oct 28, 2014·22 cites·11 claims
- 2589US7556110B2Vehicle mounted with electric storage apparatusHONDA MOTOR CO LTD·Filed 2006·Granted Jul 7, 2009·14 cites·5 claims
- 2688US8226500B2Golf club headYAMAMOTO AKIO·Filed 2009·Granted Jul 24, 2012·31 cites·18 claims
- 2787US8029383B2Golf clubSRI SPORTS LTD·Filed 2008·Granted Oct 4, 2011·30 cites·8 claims
- 2887US7963856B2Golf clubSRI SPORTS LTD·Filed 2009·Granted Jun 21, 2011·29 cites·9 claims
- 2987US7066834B2Iron type golf club headSRI SPORTS LTD·Filed 2003·Granted Jun 27, 2006·52 cites·9 claims
- 3087US6916563B2Discharged fuel diluter and discharged fuel dilution-type fuel cell systemHONDA MOTOR CO LTD·Filed 2002·Granted Jul 12, 2005·32 cites·21 claims
- 3186US11235208B2Golf club headSUMITOMO RUBBER IND·Filed 2019·Granted Feb 1, 2022·8 cites·22 claims
- 3286US6048633AFuel cell stackHONDA MOTOR CO LTD·Filed 1998·Granted Apr 11, 2000·84 cites·17 claims
- 3386US5951193AMechanism for connecting ornamental parts of wrist watchHATTORI SEIKO CO LTD·Filed 1996·Granted Sep 14, 1999·50 cites·22 claims
- 3486US5537171ALiquid crystal projection displayHITACHI LTD·Filed 1994·Granted Jul 16, 1996·73 cites·20 claims
- 3586US4511363AMethod of upgrading low-rank coalHITACHI LTD·Filed 1983·Granted Apr 16, 1985·33 cites·10 claims
- 3685US8561876B2Golf clubYAMAMOTO AKIO·Filed 2011·Granted Oct 22, 2013·16 cites·8 claims
- 3785US6953508B2High strength steel weld having improved resistance to cold cracking and a welding methodSUMITOMO METAL IND·Filed 2003·Granted Oct 11, 2005·22 cites·16 claims
- 3885US5736269AFuel cell stack and method of pressing together the sameHONDA MOTOR CO LTD·Filed 1996·Granted Apr 7, 1998·82 cites·15 claims
- 3985US4704139AMethod and apparatus for separating gasesHITACHI LTD·Filed 1986·Granted Nov 3, 1987·49 cites·10 claims
- 4084US7771854B2Fuel cell system and method of detecting failure in a fuel gas channel of fuel cell systemHONDA MOTOR CO LTD·Filed 2005·Granted Aug 10, 2010·6 cites·14 claims
- 4183US6034624AInduction-type linear position detector deviceGOTO ATSUTOSHI·Filed 1997·Granted Mar 7, 2000·59 cites·19 claims
- 4283US5349656ATask scheduling method in a multiprocessor system where task selection is determined by processor identification and evaluation informationHITACHI LTD·Filed 1991·Granted Sep 20, 1994·115 cites·12 claims
- 4383US4880589AProcess of making a non-oriented, surface-roughened film or sheetMITSUI PETROCHEMICAL IND·Filed 1988·Granted Nov 14, 1989·33 cites·5 claims
- 4481US9421430B2Golf club head and manufacturing method for sameDUNLOP SPORTS CO LTD·Filed 2014·Granted Aug 23, 2016·8 cites·12 claims
- 4581US9387369B2Golf clubDUNLOP SPORTS CO LTD·Filed 2014·Granted Jul 12, 2016·11 cites·16 claims
- 4681US8758171B2Method for selecting golf clubHASEGAWA HIROSHI·Filed 2011·Granted Jun 24, 2014·12 cites·24 claims
- 4781US7418250B2Quadrature mixer circuits and mobile terminal using the sameRENESAS TECH CORP·Filed 2007·Granted Aug 26, 2008·7 cites·4 claims
- 4880US10061881B2Circuit design system and circuit design methodHITACHI LTD·Filed 2017·Granted Aug 28, 2018·3 cites·10 claims
- 4980US9358431B2Golf club head with removable weightDUNLOP SPORTS CO LTD·Filed 2013·Granted Jun 7, 2016·10 cites·10 claims
- 5080US5355187ALiquid crystal projection displayHITACHI LTD·Filed 1993·Granted Oct 11, 1994·50 cites·8 claims
Showing the top 50 of 189 patent records by PatentIndex Score.
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