Inventor
YABUKI YOSHIKAZU
JP39 patents
⚠️ This page may combine multiple inventors who share the name “YABUKI YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
31 patentsUS5776012AJul 7, 1998
Solid golf ball
SUMITOMO RUBBER IND169 citations99
US5516110AMay 14, 1996
Two piece golf ball
SUMITOMO RUBBER IND168 citations99
US5490674AFeb 13, 1996
Three-piece solid golf ball
SUMITOMO RUBBER IND260 citations99
US5482285AJan 9, 1996
Three-piece solid golf ball
SUMITOMO RUBBER IND476 citations99
US5403010AApr 4, 1995
Two-piece golf ball
SUMITOMO RUBBER IND152 citations99
US5994470ANov 30, 1999
Golf ball
SUMITOMO RUBBER IND60 citations96
US5766097AJun 16, 1998
Golf ball coated with polyurethane or epoxy resin paint
SUMITOMO RUBBER IND68 citations96
US5716293AFeb 10, 1998
Golf ball
SUMITOMO RUBBER IND72 citations96
US5585440ADec 17, 1996
Rubber composition for golf balls
SUMITOMO RUBBER IND83 citations96
US5565524AOct 15, 1996
Golf ball
SUMITOMO RUBBER IND56 citations96
US5304608AApr 19, 1994
Two piece golf ball
SUMITOMO RUBBER IND93 citations96
US5156404AOct 20, 1992
Golf ball
SUMITOMO RUBBER IND66 citations96
US5072945ADec 17, 1991
Golf ball
SUMITOMO RUBBER IND67 citations96
US6359066B1Mar 19, 2002
Golf ball
SUMITOMO RUBBER IND17 citations93
US5967906AOct 19, 1999
Golf ball coated with polyurethane and/or epoxy resin paint
SUMITOMO RUBBER IND33 citations93
US5824740AOct 20, 1998
Golf ball
SUMITOMO RUBBER IND39 citations93
US5679745AOct 21, 1997
Golf ball
SUMITOMO RUBBER IND49 citations93
US5633322AMay 27, 1997
Golf ball
SUMITOMO RUBBER IND26 citations93
US5542663AAug 6, 1996
Thread wound golf ball
SUMITOMO RUBBER IND27 citations93
US5506004AApr 9, 1996
Method for coating golf balls
SUMITOMO RUBBER IND21 citations93
US5780169AJul 14, 1998
Golf ball
SUMITOMO RUBBER IND31 citations92
US5090705AFeb 25, 1992
Golf ball
SUMITOMO RUBBER IND50 citations91
US6729973B2May 4, 2004
Solid golf ball
SUMITOMO RUBBER IND8 citations74
US6359065B1Mar 19, 2002
Solid golf ball
SUMITOMO RUBBER IND12 citations74
US6251030B1Jun 26, 2001
Golf ball
SUMITOMO RUBBER IND12 citations74
US6210291B1Apr 3, 2001
Golf ball
SUMITOMO RUBBER IND10 citations74
US6130296AOct 10, 2000
Golf ball
SUMITOMO RUBBER IND12 citations74
US5743818AApr 28, 1998
Golf ball
SUMITOMO RUBBER IND10 citations74
US5658188AAug 19, 1997
Method for grinding golf ball surface and golf ball
SUMITOMO RUBBER IND12 citations74
US5552190ASep 3, 1996
Golf ball and method of manufacturing the same
SUMITOMO RUBBER IND12 citations74
US6335400B1Jan 1, 2002
Solid golf ball
SUMITOMO RUBBER IND1 citations52
SRI SPORTS LTD
8 patentsUS7148290B2Dec 12, 2006
Rubber composition for golf ball
SRI SPORTS LTD18 citations84
US7207904B2Apr 24, 2007
Golf ball
SRI SPORTS LTD7 citations74
US7824739B2Nov 2, 2010
Method for producing a golf ball
SRI SPORTS LTD5 citations63
US7371193B2May 13, 2008
Golf ball
SRI SPORTS LTD4 citations63
US7326749B2Feb 5, 2008
Golf ball
SRI SPORTS LTD3 citations63
US7311616B2Dec 25, 2007
One-piece golf ball
SRI SPORTS LTD2 citations63
US7294069B2Nov 13, 2007
Golf ball
SRI SPORTS LTD4 citations63
US7207901B2Apr 24, 2007
Golf club head
SRI SPORTS LTD4 citations63