Inventor · disambiguated record
Akio Yamaguchi
Also filed as: YAMAGUCHI AKIO
49 granted patents·13 pending applications·918 citations·filing 1977–2019
98Inventor score
Files withTAKASAGO PERFUMERY CO LTD15KITAGAWA IND CO LTD12FUJITSU LTD4ALPINE ELECTRONICS INC3SANSHIN ELECTRIC CO LTD3
Top patents by PatentIndex Score
62 records- 0197US5516883ABiodegradable optically active copolymer and process for producing the sameTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted May 14, 1996·114 cites·5 claims
- 0294US4920235AConductive cable sheathKITAGAWA IND CO LTD·Filed 1988·Granted Apr 24, 1990·75 cites·4 claims
- 0393US5461139ABiodegradable optically active copolymers and processes for producing the sameTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Oct 24, 1995·74 cites·14 claims
- 0492US5142101AElectromagnetic-shielding gasketKITAGAWA IND CO LTD·Filed 1991·Granted Aug 25, 1992·96 cites·20 claims
- 0591USD285668SMobile security unitALPINE ELECTRONICS INC·Filed 1984·Granted Sep 16, 1986·30 cites·1 claims
- 0685US5250751AElectromagnetic shielding gasketKITAGAWA IND CO LTD·Filed 1992·Granted Oct 5, 1993·60 cites·7 claims
- 0783US4714026APallet for material handlingHONDA MOTOR CO LTD·Filed 1986·Granted Dec 22, 1987·66 cites·20 claims
- 0882US5824751ABiodegradable high molecular compositionTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Oct 20, 1998·38 cites·19 claims
- 0978US4286189AColor cathode ray tube with shadow mask having inwardly bent skirt portionsHITACHI LTD·Filed 1980·Granted Aug 25, 1981·19 cites·5 claims
- 1077US5264547AOptically active ether lactone, optically active polymer thereof, and process for producing the polymerTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Nov 23, 1993·16 cites·5 claims
- 1177USD285542SRemote controller for mobile security systemALPINE ELECTRONICS INC·Filed 1984·Granted Sep 9, 1986·14 cites·1 claims
- 1275US8996365B2Howling cancellerYAMAGUCHI AKIO·Filed 2010·Granted Mar 31, 2015·6 cites·6 claims
- 1375US5386345AElectromagnetic shielding meshKITAGAWA IND CO LTD·Filed 1993·Granted Jan 31, 1995·39 cites·17 claims
- 1475US5352763ABiodegradable optically active polymers and intermediate oligomers thereof, and process for producing themTAKASAGO PERFUMERY CO LTD·Filed 1993·Granted Oct 4, 1994·24 cites·2 claims
- 1572US8911239B2Rotatable connector deviceFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Dec 16, 2014·7 cites·8 claims
- 1672US6075154AMethod of preparation of 2,2'-bis(diarylphosphino)-6,6'-bis(trifluoromethyl)-1,1'-biphenyl, transition metal complex using it as ligand, and optically active 3-hydroxybutanoic acid ester derivative or β-butyrolactoneTAKASAGO PERFUMERY CO LTD·Filed 1998·Granted Jun 13, 2000·15 cites·11 claims
- 1770US6046907AHeat conductorKITIGAWA IND CO LTD·Filed 1999·Granted Apr 4, 2000·38 cites·8 claims
- 1866US7690915B2Mold clamping mechanism and injection molding machineTOYODA GOSEI KK·Filed 2007·Granted Apr 6, 2010·2 cites·17 claims
- 1966US6212073B1Heat sinkKITAGAWA IND CO INC·Filed 1999·Granted Apr 3, 2001·35 cites·12 claims
- 2064US10101926B2System and apparatus for controlling data backup using an update prevention instructionFUJITSU LTD·Filed 2015·Granted Oct 16, 2018·1 cites·6 claims
- 2164US7575800B2Sliding parts, precision parts and timepieces and electronic equipment using the sameKITAGAWA IND CO LTD·Filed 2002·Granted Aug 18, 2009·5 cites·6 claims
- 2263US7167420B2Timepiece including base plate formed of resin and wheel trainSEIKO INSTR INC·Filed 2002·Granted Jan 23, 2007·8 cites·14 claims
- 2363US4833364AElectron gun for color picture tubes having uniquely formed lens aperturesHITACHI LTD·Filed 1985·Granted May 23, 1989·13 cites·16 claims
- 2462US5156557AElectrical interconnection assembly, process of and apparatus for manufacturing the same and wire laying jig thereforYAZAKI CORP·Filed 1991·Granted Oct 20, 1992·20 cites·3 claims
- 2556US5430125AProcess for producing poly(3-hydroxybutyric acid)TAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Jul 4, 1995·10 cites·3 claims
- 2656US2011144676A1Medical Bladed Device And Method For Coating Medical Bladed DeviceMANI INC·Filed 2009·Application pending·0 cites
- 2754US4886623AFerroelectric smectic liquid crystal compound and composition containing the sameTAKASAGO PERFUMERY CO LTD·Filed 1987·Granted Dec 12, 1989·11 cites·7 claims
- 2853US11452973B2Reverse osmosis membrane and method for producing reverse osmosis membraneKITAGAWA IND CO LTD·Filed 2019·Granted Sep 27, 2022·0 cites·6 claims
- 2951US5649593ARadiator memberKITAGAWA IND CO LTD·Filed 1996·Granted Jul 22, 1997·17 cites·19 claims
- 3050US5840811AOptically active block polyester copolymer and method for production thereofTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Nov 24, 1998·10 cites·8 claims
- 3150US5345978AElectrical interconnection assembly, process of and apparatus for manufacturing the same and wire laying jig thereforYAZAKI CORP·Filed 1993·Granted Sep 13, 1994·12 cites·1 claims
- 3248US9132036B2Stripping knifeYAMAGUCHI AKIO·Filed 2008·Granted Sep 15, 2015·0 cites·2 claims
- 3348US2008161845A1TrocarMANI INC·Filed 2007·Application pending·0 cites
- 3448US2009286064A1Sliding parts, precision parts and timepieces and electronic equipment using the sameKITAGAWA IND CO LTD·Filed 2009·Application pending·0 cites
- 3546US5264038AChemical vapor deposition systemFUJITSU LTD·Filed 1990·Granted Nov 23, 1993·13 cites·10 claims
- 3646US5221755AOptically active ether lactone, optically active polymer thereof, and process for producing the polymerTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted Jun 22, 1993·2 cites·1 claims
- 3746USD285667SMobile security unitALPINE ELECTRONICS INC·Filed 1984·Granted Sep 16, 1986·3 cites·1 claims
- 3846US2011086976A1Sliding parts, precision parts and timepieces and electronic equipment using the sameKITAGAWA IND CO LTD·Filed 2010·Application pending·0 cites
- 3945US2020360867A1Water treatment flow channel memberKITAGAWA IND CO LTD·Filed 2018·Application pending·0 cites
- 4044US7170827B2Timepiece, having bearing portion formed of resin and wheel trainSEIKO INSTR INC·Filed 2002·Granted Jan 30, 2007·0 cites·12 claims
- 4144US6733614B2Process for forming thermal conductive sheetKITAGAWA IND CO LTD·Filed 2003·Granted May 11, 2004·1 cites·8 claims
- 4243US10751668B2Method of forming reverse osmosis membraneKITAGAWA IND CO LTD·Filed 2016·Granted Aug 25, 2020·0 cites·12 claims
- 4343US10585601B2Information processing apparatus, storage apparatus, and information processing system wherein virtual volume to physical volume mapping is updated from management machine responsive to storage indicating said physical volume is not presentFUJITSU LTD·Filed 2017·Granted Mar 10, 2020·0 cites·10 claims
- 4443US2005196087A1Ball bearing and self-winding timepieceFiled 2005·Application pending·0 cites
- 4542US2021060836A1Method for manufacturing hollow resin molded article and device for manufacturing hollow resin molded articleTOYODA GOSEI KK·Filed 2018·Application pending·0 cites
- 4642US2011261950A1Adaptive filter and echo canceller having this adaptive filterYUGENGAISYA CEPSTRUM·Filed 2009·Application pending·0 cites
- 4741US9594526B2Storage management device and computer-readable recording mediumFUJITSU LTD·Filed 2015·Granted Mar 14, 2017·0 cites·5 claims
- 4841US7097130B2Tape pack appearance control apparatusFUJI PHOTO FILM CO LTD·Filed 2003·Granted Aug 29, 2006·0 cites·14 claims
- 4941US2005128877A1Alarm electronic timepiece and conductive springFiled 2002·Application pending·0 cites
- 5040US2004042619A1Method and apparatus for signal scrambling/descrambling, and method of speech secrecy based on the sameFiled 2002·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →