Inventor
UMEZAWA JUNJI
JP61 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA JUNJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRIDGESTONE SPORTS CO LTD
39 patentsUS5792008AAug 11, 1998
Golf ball
BRIDGESTONE SPORTS CO LTD145 citations99
US6739986B2May 25, 2004
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD146 citations98
US6592470B2Jul 15, 2003
Solid multi-piece golf ball
BRIDGESTONE SPORTS CO LTD97 citations98
US5800286ASep 1, 1998
Golf ball
BRIDGESTONE SPORTS CO LTD107 citations98
US5993968ANov 30, 1999
Wound golf ball
BRIDGESTONE SPORTS CO LTD123 citations97
US6656059B2Dec 2, 2003
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD66 citations96
US6054550AApr 25, 2000
Wound golf ball
BRIDGESTONE SPORTS CO LTD69 citations96
US5823890AOct 20, 1998
Golf ball
BRIDGESTONE SPORTS CO LTD64 citations96
US5976035ANov 2, 1999
Wound golf ball
BRIDGESTONE SPORTS CO LTD98 citations95
US7568986B2Aug 4, 2009
Golf ball
BRIDGESTONE SPORTS CO LTD33 citations93
US6814676B2Nov 9, 2004
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD41 citations93
US6746347B2Jun 8, 2004
Solid golf ball
BRIDGESTONE SPORTS CO LTD17 citations93
US6736737B2May 18, 2004
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD32 citations93
US6659889B2Dec 9, 2003
Golf ball
BRIDGESTONE SPORTS CO LTD27 citations93
US6652392B2Nov 25, 2003
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD27 citations93
US6095932AAug 1, 2000
Wound golf ball
BRIDGESTONE SPORTS CO LTD19 citations93
US5810677ASep 22, 1998
Thread-wound golf balls and their production process
BRIDGESTONE SPORTS CO LTD34 citations93
US5755628AMay 26, 1998
Thread-wound golf ball and a method for manufacturing the same
BRIDGESTONE SPORTS CO LTD23 citations93
US5685785ANov 11, 1997
Wound golf ball
BRIDGESTONE SPORTS CO LTD31 citations93
US7278929B2Oct 9, 2007
Three-piece solid golf ball
BRIDGESTONE SPORTS CO LTD20 citations92
US8021249B2Sep 20, 2011
Two-piece solid golf ball
BRIDGESTONE SPORTS CO LTD16 citations84
US7951017B2May 31, 2011
Golf ball
BRIDGESTONE SPORTS CO LTD9 citations84
US7938744B2May 10, 2011
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD7 citations84
US7909710B2Mar 22, 2011
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD10 citations84
US7862454B2Jan 4, 2011
Golf ball
BRIDGESTONE SPORTS CO LTD8 citations84
US7850547B2Dec 14, 2010
Multi-piece solid golf ball
BRIDGESTONE SPORTS CO LTD13 citations84
US7344454B2Mar 18, 2008
Three-piece solid golf ball
BRIDGESTONE SPORTS CO LTD15 citations84
US7140979B2Nov 28, 2006
Three-piece solid golf ball
BRIDGESTONE SPORTS CO LTD13 citations84
US7867419B2Jan 11, 2011
Method for preparing golf ball and golf ball
BRIDGESTONE SPORTS CO LTD14 citations83
US7300362B1Nov 27, 2007
Golf ball
BRIDGESTONE SPORTS CO LTD9 citations74
US6846250B2Jan 25, 2005
Solid golf ball
BRIDGESTONE SPORTS CO LTD10 citations74
US6142885ANov 7, 2000
Thread-wound golf ball
BRIDGESTONE SPORTS CO LTD9 citations74
US6083120AJul 4, 2000
Wound golf ball
BRIDGESTONE SPORTS CO LTD11 citations74
US5846142ADec 8, 1998
Golf ball
BRIDGESTONE SPORTS CO LTD8 citations74
US5823888AOct 20, 1998
Wound golf ball
BRIDGESTONE SPORTS CO LTD15 citations74
US7513837B2Apr 7, 2009
Three-piece solid golf ball
BRIDGESTONE SPORTS CO LTD6 citations73
US6547679B2Apr 15, 2003
Golf ball
BRIDGESTONE SPORTS CO LTD2 citations63
US6527651B1Mar 4, 2003
Wound golf ball
BRIDGESTONE SPORTS CO LTD2 citations63
US6238305B1May 29, 2001
Wound golf ball
BRIDGESTONE SPORTS CO LTD2 citations63
UMEZAWA JUNJI
6 patentsUS8821317B2Sep 2, 2014
Golf ball
UMEZAWA JUNJI8 citations84
US8585515B2Nov 19, 2013
Multi-piece solid golf ball
UMEZAWA JUNJI9 citations84
US8123628B2Feb 28, 2012
Multi-piece solid golf ball
UMEZAWA JUNJI9 citations84
US9022882B2May 5, 2015
Multi-piece solid golf ball
UMEZAWA JUNJI3 citations63
US8827840B2Sep 9, 2014
Multi-piece solid golf ball
UMEZAWA JUNJI2 citations62
US8814726B2Aug 26, 2014
Multi-piece solid golf ball
UMEZAWA JUNJI2 citations62
WATANABE HIDEO
2 patentsHIGUCHI HIROSHI
2 patentsOHIRA TAKASHI
1 patentShowing the top 50 of 61 patents by PatentIndex Score.