Inventor

SAJIMA TAKAHIRO

JP115 patents

⚠️ This page may combine multiple inventors who share the name “SAJIMA TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SRI SPORTS LTD

20 patents

US7321330B2Jan 22, 2008

Ball measuring apparatus

SRI SPORTS LTD79 citations98

US7094162B2Aug 22, 2006

Golf ball

SRI SPORTS LTD21 citations93

US7041013B2May 9, 2006

Golf ball

SRI SPORTS LTD19 citations93

US6991564B2Jan 31, 2006

Golf ball

SRI SPORTS LTD54 citations93

US7718107B2May 18, 2010

Mold for golf ball

SRI SPORTS LTD17 citations84

US7691010B2Apr 6, 2010

Golf ball

SRI SPORTS LTD15 citations84

US7621827B2Nov 24, 2009

Golf ball

SRI SPORTS LTD15 citations84

US7387582B2Jun 17, 2008

Golf ball

SRI SPORTS LTD14 citations84

US7384352B2Jun 10, 2008

Golf ball

SRI SPORTS LTD20 citations84

US7354359B2Apr 8, 2008

Golf ball

SRI SPORTS LTD11 citations84

US7326131B2Feb 5, 2008

Golf ball

SRI SPORTS LTD10 citations84

US7201674B2Apr 10, 2007

Golf ball

SRI SPORTS LTD17 citations84

US7169066B2Jan 30, 2007

Golf ball

SRI SPORTS LTD10 citations84

US7150618B2Dec 19, 2006

Mold for golf ball

SRI SPORTS LTD18 citations84

US7112149B2Sep 26, 2006

Golf ball

SRI SPORTS LTD18 citations84

US7059978B2Jun 13, 2006

Golf ball

SRI SPORTS LTD16 citations84

US7041012B2May 9, 2006

Golf ball

SRI SPORTS LTD15 citations84

US7252602B2Aug 7, 2007

Golf ball

SRI SPORTS LTD9 citations74

US7052415B2May 30, 2006

Golf ball

SRI SPORTS LTD10 citations74

US7130782B2Oct 31, 2006

Gas flow simulation method

SRI SPORTS LTD9 citations73

SUMITOMO RUBBER IND

15 patents

US6899643B2May 31, 2005

Golf ball

SUMITOMO RUBBER IND19 citations93

US6726579B2Apr 27, 2004

Multi-piece solid golf ball

SUMITOMO RUBBER IND23 citations93

US6719647B2Apr 13, 2004

Golf ball

SUMITOMO RUBBER IND29 citations93

US6685456B2Feb 3, 2004

Golf ball mold

SUMITOMO RUBBER IND46 citations93

US6540625B2Apr 1, 2003

Golf ball

SUMITOMO RUBBER IND36 citations93

US6530850B2Mar 11, 2003

Golf ball

SUMITOMO RUBBER IND31 citations93

US6527654B2Mar 4, 2003

Golf ball

SUMITOMO RUBBER IND48 citations93

US6319155B1Nov 20, 2001

Multi-piece solid golf ball

SUMITOMO RUBBER IND27 citations93

US6123629ASep 26, 2000

Method of making a golf ball with improved flight distance and shot feeling

SUMITOMO RUBBER IND28 citations92

US6986720B2Jan 17, 2006

Golf ball

SUMITOMO RUBBER IND12 citations84

US6951520B2Oct 4, 2005

Golf ball

SUMITOMO RUBBER IND14 citations84

US6688993B2Feb 10, 2004

Golf ball

SUMITOMO RUBBER IND13 citations84

US6780128B2Aug 24, 2004

Golf ball

SUMITOMO RUBBER IND8 citations74

US12533555B2Jan 27, 2026

Golf ball having mark

SUMITOMO RUBBER IND0 citations63

US11547908B2Jan 10, 2023

Golf ball

SUMITOMO RUBBER IND0 citations63

DUNLOP SPORTS CO LTD

6 patents

US9975004B2May 22, 2018

Golf ball

DUNLOP SPORTS CO LTD7 citations84

US9403062B2Aug 2, 2016

Process for designing rugged pattern on golf ball surface

DUNLOP SPORTS CO LTD14 citations84

US9861861B2Jan 9, 2018

Golf ball

DUNLOP SPORTS CO LTD3 citations73

US9550093B2Jan 24, 2017

Golf ball

DUNLOP SPORTS CO LTD5 citations73

US9468813B2Oct 18, 2016

Golf ball

DUNLOP SPORTS CO LTD3 citations73

US9375611B2Jun 28, 2016

Golf ball and method for producing the same

DUNLOP SPORTS CO LTD4 citations73

SAJIMA TAKAHIRO

3 patents

US9283441B2Mar 15, 2016

Golf ball

SAJIMA TAKAHIRO3 citations72

US9144713B2Sep 29, 2015

Golf ball

SAJIMA TAKAHIRO4 citations72

US8651978B2Feb 18, 2014

Golf ball

SAJIMA TAKAHIRO4 citations72

OHAMA KEIJI

2 patents

US8657704B2Feb 25, 2014

Golf ball

OHAMA KEIJI15 citations83

US8388466B2Mar 5, 2013

Golf ball

OHAMA KEIJI6 citations73

MATSUYAMA YOSHIKO

1 patent

US8882610B2Nov 11, 2014

Golf ball

MATSUYAMA YOSHIKO10 citations82

SUMITOMO RUBBER IINDUSTRIES LT

1 patent

US6821215B2Nov 23, 2004

Golf ball

SUMITOMO RUBBER IINDUSTRIES LT13 citations80

KIM HYOUNGCHOL

1 patent

US8647219B2Feb 11, 2014

Golf ball

KIM HYOUNGCHOL4 citations73

SRI SOPRTS LTD

1 patent

US7320651B2Jan 22, 2008

Golf ball

SRI SOPRTS LTD8 citations69

Showing the top 50 of 115 patents by PatentIndex Score.