Inventor
TAKEHANA EIJI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “TAKEHANA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRIDGESTONE SPORTS CO LTD
32 patentsUS6569037B2May 27, 2003
Golf ball
BRIDGESTONE SPORTS CO LTD77 citations98
US7393289B2Jul 1, 2008
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD25 citations93
US7393288B2Jul 1, 2008
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD19 citations93
US6992145B2Jan 31, 2006
Golf ball
BRIDGESTONE SPORTS CO LTD19 citations93
US7090799B2Aug 15, 2006
Golf ball and method for preparing golf ball
BRIDGESTONE SPORTS CO LTD20 citations92
US6579939B2Jun 17, 2003
Golf ball
BRIDGESTONE SPORTS CO LTD22 citations92
US8008392B1Aug 30, 2011
Golf ball material and method of preparing the same
BRIDGESTONE SPORTS CO LTD9 citations84
US7803874B2Sep 28, 2010
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD9 citations84
US7700689B2Apr 20, 2010
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD8 citations84
US7635730B2Dec 22, 2009
Golf ball material, golf ball, and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD11 citations84
US7514505B2Apr 7, 2009
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD11 citations84
US7278931B2Oct 9, 2007
Golf ball
BRIDGESTONE SPORTS CO LTD18 citations83
US10046206B2Aug 14, 2018
Golf ball
BRIDGESTONE SPORTS CO LTD2 citations73
US7838584B2Nov 23, 2010
Golf ball
BRIDGESTONE SPORTS CO LTD7 citations73
US7572195B2Aug 11, 2009
Golf ball material and golf ball
BRIDGESTONE SPORTS CO LTD7 citations73
US7303490B2Dec 4, 2007
Golf ball and making method
BRIDGESTONE SPORTS CO LTD9 citations73
US7267623B2Sep 11, 2007
Golf ball
BRIDGESTONE SPORTS CO LTD8 citations73
US8362149B2Jan 29, 2013
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD2 citations63
US7892113B2Feb 22, 2011
Golf ball
BRIDGESTONE SPORTS CO LTD2 citations63
US7892112B2Feb 22, 2011
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD4 citations63
US6818701B2Nov 16, 2004
Golf ball
BRIDGESTONE SPORTS CO LTD2 citations63
US7637824B2Dec 29, 2009
Golf ball
BRIDGESTONE SPORTS CO LTD4 citations62
US7563182B2Jul 21, 2009
Polymer composition and golf ball made using the same
BRIDGESTONE SPORTS CO LTD3 citations62
US7559856B2Jul 14, 2009
Golf ball
BRIDGESTONE SPORTS CO LTD5 citations62
US8053524B2Nov 8, 2011
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD0 citations52
US7871341B2Jan 18, 2011
Golf ball material, golf ball and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD0 citations52
US7591739B2Sep 22, 2009
Golf ball material, golf ball, and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD0 citations52
US7048650B2May 23, 2006
Golf ball
BRIDGESTONE SPORTS CO LTD0 citations52
US7851527B2Dec 14, 2010
Golf ball material, golf ball, and method for preparing golf ball material
BRIDGESTONE SPORTS CO LTD1 citations51
US7563179B2Jul 21, 2009
Golf ball
BRIDGESTONE SPORTS CO LTD1 citations51
US7407449B2Aug 5, 2008
Golf ball
BRIDGESTONE SPORTS CO LTD1 citations51
US8372911B2Feb 12, 2013
Golf ball material and method of preparing the same
BRIDGESTONE SPORTS CO LTD0 citations42
EGASHIRA YOSHINORI
9 patentsUS8461268B2Jun 11, 2013
Golf ball material, golf ball and method for preparing golf ball material
EGASHIRA YOSHINORI2 citations62
US8288476B2Oct 16, 2012
Golf ball material, golf ball and method for preparing golf ball material
EGASHIRA YOSHINORI2 citations62
US8158708B2Apr 17, 2012
Golf ball material, golf ball and method for preparing golf ball material
EGASHIRA YOSHINORI3 citations62
US8106115B2Jan 31, 2012
Golf ball material, golf ball and method for preparing golf ball material
EGASHIRA YOSHINORI1 citations62
US8106125B2Jan 31, 2012
Golf ball material, golf ball and method for preparing golf ball material
EGASHIRA YOSHINORI3 citations62
US8106134B2Jan 31, 2012
Golf ball and method of improving golf ball performance
EGASHIRA YOSHINORI3 citations62
US8802778B2Aug 12, 2014
Golf ball material, golf ball and method for preparing golf ball material
EGASHIRA YOSHINORI0 citations52
US8450419B2May 28, 2013
Golf ball material, golf ball, and method for preparing golf ball material
EGASHIRA YOSHINORI0 citations52
US8071684B2Dec 6, 2011
Golf ball material, golf ball and method for preparing golf ball material
EGASHIRA YOSHINORI0 citations52
IIZUKA KAE
6 patentsUS8864605B2Oct 21, 2014
Colored golf ball
IIZUKA KAE4 citations72
US8669312B2Mar 11, 2014
Golf ball material and method of preparing the same
IIZUKA KAE4 citations72
US8669313B2Mar 11, 2014
Golf ball material and method of preparing the same
IIZUKA KAE2 citations62
US8487027B2Jul 16, 2013
Golf ball material and method of preparing the same
IIZUKA KAE2 citations62
US8133947B2Mar 13, 2012
Golf ball material and method of preparing the same
IIZUKA KAE5 citations62
US8394876B2Mar 12, 2013
Golf ball
IIZUKA KAE0 citations41