Inventor · disambiguated record
Tetsuo Yamaguchi
Also filed as: HIRABAYASHI KIYOTERU · ODAWARA YOUJI · SAITO TAKASHI · YAMAGUCHI TETSUO
110 granted patents·17 pending applications·2,494 citations·filing 1973–2024
99Inventor score
Files withSUMITOMO RUBBER IND23KUBOTA KK17SUMITOMO CHEMICAL CO13TOKYO SHIBAURA ELECTRIC CO12FUJI PHOTO FILM CO LTD9
Top patents by PatentIndex Score
127 records- 0199US4792140AIron type golf club headSUMITOMO RUBBER IND·Filed 1984·Granted Dec 20, 1988·258 cites·20 claims
- 0297USD329862SCombined instant camera and printerKING JIM CO LTD·Filed 1990·Granted Sep 29, 1992·103 cites·1 claims
- 0396US4928965AGolf club and method of designing sameSUMITOMO RUBBER IND·Filed 1988·Granted May 29, 1990·182 cites·18 claims
- 0494US7331877B2Golf club headSRI SPORTS LTD·Filed 2004·Granted Feb 19, 2008·94 cites·10 claims
- 0594US5106913ARubber compositionSUMITOMO CHEMICAL CO·Filed 1990·Granted Apr 21, 1992·87 cites·8 claims
- 0691US4686153AElectrode wire for use in electric discharge machining and process for preparing sameFUJIKURA LTD·Filed 1985·Granted Aug 11, 1987·81 cites·6 claims
- 0790US6472132B1Silver halide photographic light-sensitive material and processing method thereofFUJI PHOTO FILM CO LTD·Filed 2000·Granted Oct 29, 2002·12 cites·21 claims
- 0890US6371195B1Molded product of amorphous metal and manufacturing method for the sameSUMITOMO RUBBER IND·Filed 2000·Granted Apr 16, 2002·67 cites·14 claims
- 0990US4809978AGolf club headSUMITOTO RUBBER IND LTD·Filed 1987·Granted Mar 7, 1989·96 cites·11 claims
- 1090US4101838AClock pulse generating apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Jul 18, 1978·33 cites·11 claims
- 1190US3978317AOptical bar code readerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Aug 31, 1976·106 cites·8 claims
- 1289US6583229B2Solid golf ballSUMITOMO RUBBER IND·Filed 2001·Granted Jun 24, 2003·67 cites·8 claims
- 1387US7712231B2ShoeSRI SPORTS LTD·Filed 2006·Granted May 11, 2010·42 cites·16 claims
- 1487US4152568AMethod of arc welding with reverse side cooling for obtaining highly tough large-diameter welded steel pipesNIPPON KOKAN KK·Filed 1978·Granted May 1, 1979·38 cites·6 claims
- 1586US6258183B1Molded product of amorphous metal and manufacturing method for the sameSUMITOMO RUBBER IND·Filed 1998·Granted Jul 10, 2001·77 cites·8 claims
- 1684US4129557AProcess for producing copolymerized resinsSUMITOMO CHEMICAL CO·Filed 1977·Granted Dec 12, 1978·27 cites·20 claims
- 1783US6335100B1Structural material and process for its productionSUMITOMO RUBBER IND·Filed 1992·Granted Jan 1, 2002·42 cites·20 claims
- 1881US6792002B2Packet transfer systemFUJITSU LTD·Filed 2001·Granted Sep 14, 2004·34 cites·19 claims
- 1981US6548240B2Photothermographic materialFUJI PHOTO FILM CO LTD·Filed 2001·Granted Apr 15, 2003·6 cites·20 claims
- 2081US5340695ASilver halide photographic materialsFUJI PHOTO FILM CO LTD·Filed 1993·Granted Aug 23, 1994·11 cites·10 claims
- 2180US11536356B2Work vehicleKUBOTA KK·Filed 2021·Granted Dec 27, 2022·1 cites·6 claims
- 2280US7759659B2Charged particle beam writing methodNUFLARE TECHNOLOGY INC·Filed 2008·Granted Jul 20, 2010·5 cites·9 claims
- 2380US6089992AGolf club headSUMITOMO RUBBER IND·Filed 1998·Granted Jul 18, 2000·64 cites·7 claims
- 2480US4568900AForced-cooled superconductorAGENCY IND SCIENCE TECHN·Filed 1983·Granted Feb 4, 1986·28 cites·7 claims
- 2579US4319539ACushioning fender assemblySUMITOMO RUBBER IND·Filed 1978·Granted Mar 16, 1982·25 cites·2 claims
- 2679US4115706AIntegrated circuit having one-input terminal with selectively varying input levelsTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Sep 19, 1978·17 cites·6 claims
- 2777US11104662B2Method for producing optically active pyrrolidine compoundsMITSUBISHI TANABE PHARMA CORP·Filed 2018·Granted Aug 31, 2021·2 cites·17 claims
- 2876US6963032B2High accuracy foamed coaxial cable and method for manufacturing the sameADVANTEST CORP·Filed 2003·Granted Nov 8, 2005·21 cites·22 claims
- 2976US6117023AGolf club headSUMITOMO RUBBER IND·Filed 1998·Granted Sep 12, 2000·51 cites·15 claims
- 3076US5242721AStructural member of pipe shapeSUMITOMO RUBBER IND·Filed 1990·Granted Sep 7, 1993·33 cites·23 claims
- 3175US9406573B2Exposure mask fabrication method, exposure mask fabrication system, and semiconductor device fabrication methodNUFLARE TECHNOLOGY INC·Filed 2015·Granted Aug 2, 2016·2 cites·12 claims
- 3275US8022059B2Indazole acrylic acid amide compoundMITSUBISHI TANABE PHARMA CORP·Filed 2008·Granted Sep 20, 2011·3 cites·13 claims
- 3375US4267792AElastically deformable fenderSUMITOMO RUBBER IND·Filed 1978·Granted May 19, 1981·27 cites·3 claims
- 3474US7086963B1Golf club headSRI SPORTS LTD·Filed 1998·Granted Aug 8, 2006·45 cites·49 claims
- 3574US6487211B1Data packet switching apparatusFUJITSU LTD·Filed 2000·Granted Nov 26, 2002·20 cites·6 claims
- 3674USD344753SLabel printerKING JIM CO LTD·Filed 1992·Granted Mar 1, 1994·17 cites·1 claims
- 3773USD331018SCombined clock, timer and schedule managerKUNG JUN CO LTD·Filed 1990·Granted Nov 17, 1992·19 cites·1 claims
- 3873US5079706AControl system for self-propelled working vehicle including vehicle course correction meansKUBOTA LTD·Filed 1990·Granted Jan 7, 1992·40 cites·14 claims
- 3972US4161062AMethod for producing hollow superconducting cablesAGENCY IND SCIENCE TECHN·Filed 1977·Granted Jul 17, 1979·27 cites·10 claims
- 4072US4109143AOptical readerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Aug 22, 1978·24 cites·1 claims
- 4171US5677470ABaccatin derivatives and processes for preparing the sameTANABE SEIYAKU CO·Filed 1995·Granted Oct 14, 1997·16 cites·22 claims
- 4270USRE44179ECharged particle beam writing methodABE TAKAYUKI·Filed 2012·Granted Apr 30, 2013·2 cites·9 claims
- 4370US6354966B1Multi-piece solid golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Mar 12, 2002·18 cites·18 claims
- 4470US4444882AProcess and apparatus for controlling cultivation of microorganismsHITACHI LTD·Filed 1981·Granted Apr 24, 1984·18 cites·8 claims
- 4568US3988597ATime correction circuits for electronic timepiecesTOKYO SHIBAURA ELECTRIC CO·Filed 1975·Granted Oct 26, 1976·11 cites·8 claims
- 4668US3971837AProcess for manufacturing a composite foamed synthetic resin bowling pinHASEGAWA TADASHI·Filed 1973·Granted Jul 27, 1976·25 cites·7 claims
- 4767US7364514B2Golf putter headSRI SPORTS LTD·Filed 2004·Granted Apr 29, 2008·15 cites·1 claims
- 4866US12013032B2Electromagnetic valve control device and work vehicleKUBOTA KK·Filed 2023·Granted Jun 18, 2024·0 cites·9 claims
- 4966US11746099B2Method for producing optically active pyrrolidine compoundsMITSUBISHI TANABE PHARMA CORP·Filed 2021·Granted Sep 5, 2023·0 cites·1 claims
- 5066US6310144B1Reinforced rubber article, production thereof and rubber composition suitable thereforSUMITOMO CHEMICAL CO·Filed 1995·Granted Oct 30, 2001·22 cites·4 claims
Showing the top 50 of 127 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →