Inventor · disambiguated record
Keiji Ohama
Also filed as: OHAMA KEIJI
92 granted patents·7 pending applications·1,685 citations·filing 1998–2013
99Inventor score
Top patents by PatentIndex Score
99 records- 0196US6659888B2Three-piece solid golf ballSUMITOMO RUBBER IND·Filed 2002·Granted Dec 9, 2003·129 cites·3 claims
- 0296US6494793B1Two-piece solid golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Dec 17, 2002·142 cites·6 claims
- 0396US6494794B1Two-piece solid golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Dec 17, 2002·142 cites·4 claims
- 0495US6805644B1Three-piece solid golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Oct 19, 2004·124 cites·10 claims
- 0594US6520872B2Three-piece solid golf ballSUMITOMO RUBBER IND·Filed 2001·Granted Feb 18, 2003·106 cites·3 claims
- 0692US6315682B1Multi-piece solid golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Nov 13, 2001·78 cites·6 claims
- 0790US6241625B1Solid golf ballSUMITOMO RUBBER IND·Filed 1999·Granted Jun 5, 2001·101 cites·12 claims
- 0888US8182368B2Golf ballKAMINO KAZUYA·Filed 2009·Granted May 22, 2012·26 cites·20 claims
- 0987US6287218B1Solid golf ballSUMITOMO RUBBER IND·Filed 1999·Granted Sep 11, 2001·83 cites·5 claims
- 1085US7999019B2Golf ballSRI SPORTS LTD·Filed 2008·Granted Aug 16, 2011·23 cites·13 claims
- 1183US8657704B2Golf ballOHAMA KEIJI·Filed 2010·Granted Feb 25, 2014·15 cites·17 claims
- 1283US8501871B2Golf ballOKABE SATOKO·Filed 2009·Granted Aug 6, 2013·17 cites·10 claims
- 1383US7264559B2Golf ballSRI SPORTS LTD·Filed 2005·Granted Sep 4, 2007·5 cites·5 claims
- 1483US6558275B2Three-piece solid golf ballSUMITOMO RUBBER IND·Filed 2001·Granted May 6, 2003·38 cites·6 claims
- 1582US7384352B2Golf ballSRI SPORTS LTD·Filed 2006·Granted Jun 10, 2008·20 cites·16 claims
- 1681US7410430B2Golf ballSRI SPORTS LTD·Filed 2006·Granted Aug 12, 2008·16 cites·15 claims
- 1781US6435984B1Golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Aug 20, 2002·33 cites·14 claims
- 1880US7201674B2Golf ballSRI SPORTS LTD·Filed 2005·Granted Apr 10, 2007·17 cites·7 claims
- 1980US6139447ARubber composition for golf ball and golf ball produced using the sameSUMITOMO RUBBER IND·Filed 1998·Granted Oct 31, 2000·57 cites·14 claims
- 2078US8262508B2Golf ballNAKAMURA HIROTAKA·Filed 2009·Granted Sep 11, 2012·13 cites·20 claims
- 2178US6905647B2Process for producing golf ballSUMITOMO RUBBER IND·Filed 2002·Granted Jun 14, 2005·13 cites·4 claims
- 2278US6319155B1Multi-piece solid golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Nov 20, 2001·27 cites·5 claims
- 2377US8882610B2Golf ballMATSUYAMA YOSHIKO·Filed 2011·Granted Nov 11, 2014·10 cites·20 claims
- 2477US7121959B1Multi-piece solid golf ballSRI SPORTS LTD·Filed 2000·Granted Oct 17, 2006·26 cites·34 claims
- 2576US7396301B2Golf ballSRI SPORTS LTD·Filed 2006·Granted Jul 8, 2008·11 cites·15 claims
- 2675US7041013B2Golf ballSRI SPORTS LTD·Filed 2004·Granted May 9, 2006·19 cites·9 claims
- 2775US6726579B2Multi-piece solid golf ballSUMITOMO RUBBER IND·Filed 2002·Granted Apr 27, 2004·23 cites·4 claims
- 2873US8877875B2Golf ballKAMINO KAZUYA·Filed 2008·Granted Nov 4, 2014·2 cites·13 claims
- 2973US8372915B2Golf ballSRI SPORTS LTD·Filed 2009·Granted Feb 12, 2013·9 cites·19 claims
- 3073US7182700B2Golf ballSRI SPORTS LTD·Filed 2003·Granted Feb 27, 2007·20 cites·13 claims
- 3172US8777780B2Golf ballKAMINO KAZUYA·Filed 2009·Granted Jul 15, 2014·8 cites·16 claims
- 3272US7083532B2Golf ball and method of manufacturing the sameSRI SPORTS LTD·Filed 2004·Granted Aug 1, 2006·18 cites·10 claims
- 3372US6790148B1Multi-piece solid golf ball and method of making the sameSUMITOMO RUBBER IND·Filed 2000·Granted Sep 14, 2004·21 cites·4 claims
- 3471US7252602B2Golf ballSRI SPORTS LTD·Filed 2005·Granted Aug 7, 2007·9 cites·6 claims
- 3571US6815507B2Golf ball with improved shot feel without deterioration in durability and flight performanceSUMITOMO RUBBER IND·Filed 2002·Granted Nov 9, 2004·18 cites·10 claims
- 3670US9011272B2Golf ballSRI SPORTS LTD·Filed 2013·Granted Apr 21, 2015·4 cites·22 claims
- 3768US8388466B2Golf ballOHAMA KEIJI·Filed 2009·Granted Mar 5, 2013·6 cites·10 claims
- 3868US8366568B2Golf ballSRI SPORTS LTD·Filed 2009·Granted Feb 5, 2013·6 cites·11 claims
- 3968US8292759B2Golf ballNAKAMURA HIROTAKA·Filed 2009·Granted Oct 23, 2012·6 cites·14 claims
- 4068US7691010B2Golf ballSRI SPORTS LTD·Filed 2004·Granted Apr 6, 2010·15 cites·9 claims
- 4168US7390273B2Golf ballSRI SPORTS LTD·Filed 2007·Granted Jun 24, 2008·6 cites·13 claims
- 4268US6645090B2Multi-piece solid golf ballSUMITOMO RUBBER IND·Filed 2001·Granted Nov 11, 2003·15 cites·16 claims
- 4367US6951520B2Golf ballSUMITOMO RUBBER IND·Filed 2003·Granted Oct 4, 2005·14 cites·17 claims
- 4466US6561923B1Colored golf ballSUMITOMO RUBBER IND·Filed 1999·Granted May 13, 2003·33 cites·4 claims
- 4565US8206245B2Golf ballKAMINO KAZUYA·Filed 2009·Granted Jun 26, 2012·4 cites·10 claims
- 4665US7635313B2Golf ballSRI SPORTS LTD·Filed 2007·Granted Dec 22, 2009·4 cites·9 claims
- 4765US7390542B2Golf ballSRI SPORTS LTD·Filed 2005·Granted Jun 24, 2008·4 cites·7 claims
- 4865US7125346B2Solid golf ballSRI SPORTS LTD·Filed 2005·Granted Oct 24, 2006·4 cites·9 claims
- 4964US8148474B2Golf ballOHAMA KEIJI·Filed 2008·Granted Apr 3, 2012·3 cites·18 claims
- 5064US7101292B2Multi-piece solid golf ballSRI SPORTS LTD·Filed 2003·Granted Sep 5, 2006·12 cites·13 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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