Inventor

IHARA KEISUKE

JP78 patents

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

BRIDGESTONE SPORTS CO LTD

44 patents

US5935023AAug 10, 1999

Golf ball

BRIDGESTONE SPORTS CO LTD155 citations99

US5816937AOct 6, 1998

Golf ball having a multilayer cover

BRIDGESTONE SPORTS CO LTD245 citations99

US6241627B1Jun 5, 2001

Dimpled golf ball

BRIDGESTONE SPORTS CO LTD127 citations98

US6123534ASep 26, 2000

Golf ball mold

BRIDGESTONE SPORTS CO LTD101 citations98

US6106415AAug 22, 2000

Multi-layer structure solid golf ball

BRIDGESTONE SPORTS CO LTD93 citations98

US6053820AApr 25, 2000

Golf ball

BRIDGESTONE SPORTS CO LTD108 citations98

US5947844ASep 7, 1999

Golf ball and mold therefor

BRIDGESTONE SPORTS CO LTD118 citations98

US5836834ANov 17, 1998

Golf balls

BRIDGESTONE SPORTS CO LTD106 citations98

US5730665AMar 24, 1998

Golf ball and method of making same

BRIDGESTONE SPORTS CO LTD101 citations98

US6458307B2Oct 1, 2002

Method of manufacturing a golf ball

BRIDGESTONE SPORTS CO LTD44 citations96

US6368238B1Apr 9, 2002

Dimpled golf ball

BRIDGESTONE SPORTS CO LTD64 citations96

US6346054B1Feb 12, 2002

Dimpled golf ball

BRIDGESTONE SPORTS CO LTD56 citations96

US6200232B1Mar 13, 2001

Golf ball and method of arranging dimples thereto

BRIDGESTONE SPORTS CO LTD68 citations96

US6039660AMar 21, 2000

Golf ball

BRIDGESTONE SPORTS CO LTD51 citations96

US5916044AJun 29, 1999

Golf ball

BRIDGESTONE SPORTS CO LTD81 citations96

US5908359AJun 1, 1999

Golf ball having improved symmetry

BRIDGESTONE SPORTS CO LTD60 citations96

US5906551AMay 25, 1999

Golf ball

BRIDGESTONE SPORTS CO LTD66 citations96

US5874038AFeb 23, 1999

Injection mold for golf balls and method for preparing golf balls

BRIDGESTONE SPORTS CO LTD67 citations96

US5840351ANov 24, 1998

Golf ball-forming mold

BRIDGESTONE SPORTS CO LTD48 citations96

US5836833ANov 17, 1998

Golf ball

BRIDGESTONE SPORTS CO LTD75 citations96

US5816943AOct 6, 1998

Golf balls and their production process

BRIDGESTONE SPORTS CO LTD66 citations96

US5720676AFeb 24, 1998

Golf ball

BRIDGESTONE SPORTS CO LTD44 citations96

US5688193ANov 18, 1997

Golf ball and mold therefor

BRIDGESTONE SPORTS CO LTD68 citations96

US5651741AJul 29, 1997

Golf ball

BRIDGESTONE SPORTS CO LTD73 citations96

US6520873B2Feb 18, 2003

Golf ball with spaced parting line

BRIDGESTONE SPORTS CO LTD16 citations93

US6346053B1Feb 12, 2002

Golf ball

BRIDGESTONE SPORTS CO LTD52 citations93

US6238194B1May 29, 2001

Golf ball injection molds

BRIDGESTONE SPORTS CO LTD25 citations93

US6179732B1Jan 30, 2001

Golf ball and golf ball marking method

BRIDGESTONE SPORTS CO LTD34 citations93

US6168407B1Jan 2, 2001

Golf ball mold

BRIDGESTONE SPORTS CO LTD32 citations93

US6089847AJul 18, 2000

Golf ball injection mold

BRIDGESTONE SPORTS CO LTD37 citations93

US5980232ANov 9, 1999

Golf ball mold, master model and method of making the mold and model

BRIDGESTONE SPORTS CO LTD22 citations93

US5975869ANov 2, 1999

Golf ball mold having adjustable pimple forming pins

BRIDGESTONE SPORTS CO LTD25 citations93

US5961401AOct 5, 1999

Golf balls

BRIDGESTONE SPORTS CO LTD42 citations93

US5902191AMay 11, 1999

Golf balls and their production process

BRIDGESTONE SPORTS CO LTD39 citations93

US5902193AMay 11, 1999

Golf ball

BRIDGESTONE SPORTS CO LTD45 citations93

US5879599AMar 9, 1999

Method of molding golf balls

BRIDGESTONE SPORTS CO LTD32 citations93

US5837183ANov 17, 1998

Golf ball molding method and apparatus

BRIDGESTONE SPORTS CO LTD28 citations93

US5827135AOct 27, 1998

Golf ball

BRIDGESTONE SPORTS CO LTD46 citations93

US5759116AJun 2, 1998

Golf ball

BRIDGESTONE SPORTS CO LTD26 citations93

US5749796AMay 12, 1998

Wound golf ball

BRIDGESTONE SPORTS CO LTD19 citations93

US5554337ASep 10, 1996

Preparation of spherical body

BRIDGESTONE SPORTS CO LTD23 citations93

US6595876B2Jul 22, 2003

Golf ball

BRIDGESTONE SPORTS CO LTD50 citations92

US6454668B2Sep 24, 2002

Golf ball

BRIDGESTONE SPORTS CO LTD27 citations92

US5911639AJun 15, 1999

Golf ball

BRIDGESTONE SPORTS CO LTD29 citations92

BRIDGESTONE CORP

6 patents

US5248878ASep 28, 1993

Golf ball marking method

BRIDGESTONE CORP167 citations99

US4915389AApr 10, 1990

Golf balls

BRIDGESTONE CORP66 citations96

US4844472AJul 4, 1989

Golf ball

BRIDGESTONE CORP57 citations96

US4869512ASep 26, 1989

Golf ball

BRIDGESTONE CORP162 citations94

US4867459ASep 19, 1989

Golf balls

BRIDGESTONE CORP37 citations93

US4840381AJun 20, 1989

Golf ball

BRIDGESTONE CORP88 citations93

Showing the top 50 of 78 patents by PatentIndex Score.