Inventor · disambiguated record
Eiji Takehana
Also filed as: TAKEHANA EIJI
47 granted patents·16 pending applications·337 citations·filing 2000–2017
98Inventor score
Top patents by PatentIndex Score
63 records- 0192US8008392B1Golf ball material and method of preparing the sameBRIDGESTONE SPORTS CO LTD·Filed 2010·Granted Aug 30, 2011·9 cites·5 claims
- 0292US7803874B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2006·Granted Sep 28, 2010·9 cites·12 claims
- 0392US6569037B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2001·Granted May 27, 2003·77 cites·12 claims
- 0491US7635730B2Golf ball material, golf ball, and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2006·Granted Dec 22, 2009·11 cites·28 claims
- 0589US8133947B2Golf ball material and method of preparing the sameIIZUKA KAE·Filed 2010·Granted Mar 13, 2012·5 cites·6 claims
- 0689US7393289B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2005·Granted Jul 1, 2008·25 cites·53 claims
- 0785US8669312B2Golf ball material and method of preparing the sameIIZUKA KAE·Filed 2010·Granted Mar 11, 2014·4 cites·6 claims
- 0884US7393288B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2005·Granted Jul 1, 2008·19 cites·19 claims
- 0980US7278931B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2006·Granted Oct 9, 2007·18 cites·8 claims
- 1079US7637824B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2007·Granted Dec 29, 2009·4 cites·9 claims
- 1178US7514505B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2005·Granted Apr 7, 2009·11 cites·20 claims
- 1277US8106134B2Golf ball and method of improving golf ball performanceEGASHIRA YOSHINORI·Filed 2008·Granted Jan 31, 2012·3 cites·5 claims
- 1376US8669313B2Golf ball material and method of preparing the sameIIZUKA KAE·Filed 2010·Granted Mar 11, 2014·2 cites·5 claims
- 1476US8487027B2Golf ball material and method of preparing the sameIIZUKA KAE·Filed 2010·Granted Jul 16, 2013·2 cites·10 claims
- 1573US7303490B2Golf ball and making methodBRIDGESTONE SPORTS CO LTD·Filed 2004·Granted Dec 4, 2007·9 cites·5 claims
- 1673US6579939B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2001·Granted Jun 17, 2003·22 cites·13 claims
- 1772US7700689B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2006·Granted Apr 20, 2010·8 cites·17 claims
- 1872US7090799B2Golf ball and method for preparing golf ballBRIDGESTONE SPORTS CO LTD·Filed 2004·Granted Aug 15, 2006·20 cites·16 claims
- 1972US6992145B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2003·Granted Jan 31, 2006·19 cites·8 claims
- 2070US10046206B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2017·Granted Aug 14, 2018·2 cites·5 claims
- 2170US7572195B2Golf ball material and golf ballBRIDGESTONE SPORTS CO LTD·Filed 2007·Granted Aug 11, 2009·7 cites·10 claims
- 2270US7267623B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2005·Granted Sep 11, 2007·8 cites·11 claims
- 2368US7838584B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2006·Granted Nov 23, 2010·7 cites·10 claims
- 2467US8864605B2Colored golf ballIIZUKA KAE·Filed 2011·Granted Oct 21, 2014·4 cites·12 claims
- 2567US7892112B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2008·Granted Feb 22, 2011·4 cites·22 claims
- 2667US7851527B2Golf ball material, golf ball, and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2007·Granted Dec 14, 2010·1 cites·15 claims
- 2765US7559856B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2007·Granted Jul 14, 2009·5 cites·18 claims
- 2864US8461268B2Golf ball material, golf ball and method for preparing golf ball materialEGASHIRA YOSHINORI·Filed 2011·Granted Jun 11, 2013·2 cites·12 claims
- 2964US8362149B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2011·Granted Jan 29, 2013·2 cites·12 claims
- 3064US8106125B2Golf ball material, golf ball and method for preparing golf ball materialEGASHIRA YOSHINORI·Filed 2008·Granted Jan 31, 2012·3 cites·11 claims
- 3163US8288476B2Golf ball material, golf ball and method for preparing golf ball materialEGASHIRA YOSHINORI·Filed 2010·Granted Oct 16, 2012·2 cites·8 claims
- 3263US7563182B2Polymer composition and golf ball made using the sameBRIDGESTONE SPORTS CO LTD·Filed 2007·Granted Jul 21, 2009·3 cites·14 claims
- 3362US8158708B2Golf ball material, golf ball and method for preparing golf ball materialEGASHIRA YOSHINORI·Filed 2008·Granted Apr 17, 2012·3 cites·15 claims
- 3462US7892113B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2006·Granted Feb 22, 2011·2 cites·34 claims
- 3561US8106115B2Golf ball material, golf ball and method for preparing golf ball materialEGASHIRA YOSHINORI·Filed 2009·Granted Jan 31, 2012·1 cites·16 claims
- 3659US8053524B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2009·Granted Nov 8, 2011·0 cites·14 claims
- 3759US7871341B2Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2009·Granted Jan 18, 2011·0 cites·15 claims
- 3859US7563179B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2007·Granted Jul 21, 2009·1 cites·10 claims
- 3959US7407449B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2007·Granted Aug 5, 2008·1 cites·7 claims
- 4059US2009069118A1Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2007·Application pending·0 cites
- 4157US8450419B2Golf ball material, golf ball, and method for preparing golf ball materialEGASHIRA YOSHINORI·Filed 2010·Granted May 28, 2013·0 cites·8 claims
- 4257US2009270200A1Golf ball material and golf ballBRIDGESTONE SPORTS CO LTD·Filed 2009·Application pending·0 cites
- 4357US2011118398A1Golf ball material and method of preparing the sameBRIDGESTONE SPORTS CO LTD·Filed 2009·Application pending·0 cites
- 4457US2008242447A1Golf ball material, golf ball and method for preparing golf ball materialBRIDGESTONE SPORTS CO LTD·Filed 2008·Application pending·0 cites
- 4556US2010160517A1Golf ball material and method of preparing sameBRIDGESTONE SPORTS CO LTD·Filed 2008·Application pending·0 cites
- 4656US2009298617A1Golf ball material and golf ballBRIDGESTONE SPORTS CO LTD·Filed 2008·Application pending·0 cites
- 4756US2012077624A1Golf ball and method of improving golf ball performanceEGASHIRA YOSHINORI·Filed 2011·Application pending·0 cites
- 4854US8071684B2Golf ball material, golf ball and method for preparing golf ball materialEGASHIRA YOSHINORI·Filed 2008·Granted Dec 6, 2011·0 cites·16 claims
- 4954US2010056304A1Golf ball and method of improving golf ball performanceBRIDGESTONE SPORTS CO LTD·Filed 2008·Application pending·0 cites
- 5054US2010160515A1Golf ball material and method of preparing the sameBRIDGESTONE SPORTS CO LTD·Filed 2008·Application pending·0 cites
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 →