Inventor
YAMAGUCHI TETSUO
JP111 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
17 patentsUS4792140ADec 20, 1988
Iron type golf club head
SUMITOMO RUBBER IND258 citations99
US4928965AMay 29, 1990
Golf club and method of designing same
SUMITOMO RUBBER IND182 citations98
US6583229B2Jun 24, 2003
Solid golf ball
SUMITOMO RUBBER IND67 citations96
US6371195B1Apr 16, 2002
Molded product of amorphous metal and manufacturing method for the same
SUMITOMO RUBBER IND67 citations95
US6258183B1Jul 10, 2001
Molded product of amorphous metal and manufacturing method for the same
SUMITOMO RUBBER IND77 citations95
US6089992AJul 18, 2000
Golf club head
SUMITOMO RUBBER IND64 citations95
US6117023ASep 12, 2000
Golf club head
SUMITOMO RUBBER IND51 citations93
US6335100B1Jan 1, 2002
Structural material and process for its production
SUMITOMO RUBBER IND42 citations92
US6123629ASep 26, 2000
Method of making a golf ball with improved flight distance and shot feeling
SUMITOMO RUBBER IND28 citations92
US5424021AJun 13, 1995
Method of making a shock resistant tool comprising a fiber reinforced cyclopentadiene resin matrix
SUMITOMO RUBBER IND27 citations92
US5348777ASep 20, 1994
Structural member of pipe shape
SUMITOMO RUBBER IND26 citations91
US5242721ASep 7, 1993
Structural member of pipe shape
SUMITOMO RUBBER IND33 citations91
US6652673B1Nov 25, 2003
Zirconium system amorphous alloy
SUMITOMO RUBBER IND15 citations84
US6354966B1Mar 12, 2002
Multi-piece solid golf ball
SUMITOMO RUBBER IND18 citations83
US4319539AMar 16, 1982
Cushioning fender assembly
SUMITOMO RUBBER IND25 citations81
US4267792AMay 19, 1981
Elastically deformable fender
SUMITOMO RUBBER IND27 citations80
US5054414AOct 8, 1991
Hollow rubber fender
SUMITOMO RUBBER IND16 citations74
SRI SPORTS LTD
5 patentsUS7331877B2Feb 19, 2008
Golf club head
SRI SPORTS LTD94 citations98
US7086963B1Aug 8, 2006
Golf club head
SRI SPORTS LTD45 citations93
US7712231B2May 11, 2010
Shoe
SRI SPORTS LTD42 citations91
US7364514B2Apr 29, 2008
Golf putter head
SRI SPORTS LTD15 citations84
US7270609B2Sep 18, 2007
Golf putter head
SRI SPORTS LTD11 citations84
SUMITOMO CHEMICAL CO
5 patentsUS5106913AApr 21, 1992
Rubber composition
SUMITOMO CHEMICAL CO87 citations94
US6310144B1Oct 30, 2001
Reinforced rubber article, production thereof and rubber composition suitable therefor
SUMITOMO CHEMICAL CO22 citations92
US4129557ADec 12, 1978
Process for producing copolymerized resins
SUMITOMO CHEMICAL CO27 citations80
US5218025AJun 8, 1993
Method for improving properties of vulcanized rubber containing inorganic whity filler
SUMITOMO CHEMICAL CO10 citations74
US4308180ADec 29, 1981
Sulfide resin for rubber
SUMITOMO CHEMICAL CO10 citations74
TOKYO SHIBAURA ELECTRIC CO
4 patentsUS4101838AJul 18, 1978
Clock pulse generating apparatus
TOKYO SHIBAURA ELECTRIC CO33 citations91
US4478525AOct 23, 1984
Musical envelope control device
TOKYO SHIBAURA ELECTRIC CO8 citations74
US4166360ASep 4, 1979
Chronograph
TOKYO SHIBAURA ELECTRIC CO7 citations74
US4115706ASep 19, 1978
Integrated circuit having one-input terminal with selectively varying input levels
TOKYO SHIBAURA ELECTRIC CO17 citations74
KING JIM CO LTD
2 patentsFUJITSU LTD
2 patentsKUBOTA LTD
2 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsAGENCY IND SCIENCE TECHN
2 patentsSUMITOTO RUBBER IND LTD
1 patentFUJIKURA LTD
1 patentNIPPON KOKAN KK
1 patentADVANTEST CORP
1 patentTAISHO PHARMACEUTICAL CO LTD
1 patentHASEGAWA TADASHI
1 patentKUNG JUN CO LTD
1 patentFUJI PHOTO FILM CO LTD
1 patentKUBOTA KK
1 patentShowing the top 50 of 111 patents by PatentIndex Score.