Inventor · disambiguated record
Takashi Yamaguchi
Also filed as: MIYAKAWA NOBUHIRO · YAMAGUCHI TAKASHI
432 granted patents·93 pending applications·7,372 citations·filing 1974–2024
99Inventor score
Top patents by PatentIndex Score
525 records- 0199USD446252SGaming machine cabinetKONAMI GAMING INC·Filed 2000·Granted Aug 7, 2001·248 cites·1 claims
- 0299USD439931SGame machineKONAMI CO LTD·Filed 1999·Granted Apr 3, 2001·283 cites·1 claims
- 0398USD439282SGame machineKONAMI CO LTD·Filed 2000·Granted Mar 20, 2001·105 cites·1 claims
- 0498US6019369ACompetitive game simulation machineKONAMI CO LTD·Filed 1996·Granted Feb 1, 2000·570 cites·11 claims
- 0598USD415211SGame machineKONAMI CO LTD·Filed 1997·Granted Oct 12, 1999·109 cites·1 claims
- 0697US7350951B2Planar light source device and display device using the same deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Apr 1, 2008·38 cites·6 claims
- 0796USD421068SRacing game machineKONAMI CO LTD·Filed 1996·Granted Feb 22, 2000·64 cites·1 claims
- 0895US12152600B2Impeller, centrifugal fan, and air-conditioning apparatusMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Nov 26, 2024·3 cites·22 claims
- 0995US8166937B2Valve timing control apparatusYAMAGUCHI TAKASHI·Filed 2010·Granted May 1, 2012·12 cites·12 claims
- 1095US7374016B2Muffler deviceHONDA MOTOR CO LTD·Filed 2005·Granted May 20, 2008·30 cites·20 claims
- 1195US7229198B2Planar light source device and display device using the sameMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Jun 12, 2007·68 cites·12 claims
- 1294US10022803B2Cutting insert having constant-width wiper surface and cutting toolTUNGALOY CORP·Filed 2015·Granted Jul 17, 2018·7 cites·21 claims
- 1394US9022700B2Cutting insert and cutting toolTUNGALOY CORP·Filed 2013·Granted May 5, 2015·17 cites·13 claims
- 1494US7367326B2Failure diagnosis apparatus for evaporative fuel processing systemHONDA MOTOR CO LTD·Filed 2006·Granted May 6, 2008·27 cites·18 claims
- 1594US6921673B2Nitride semiconductor device and method of manufacturing the sameSONY CORP·Filed 2002·Granted Jul 26, 2005·75 cites·5 claims
- 1694US4743793ASpark plugNGK SPARK PLUG CO·Filed 1986·Granted May 10, 1988·78 cites·12 claims
- 1794US4700103ASpark plug and its electrode configurationNGK SPARK PLUG CO·Filed 1985·Granted Oct 13, 1987·99 cites·8 claims
- 1893US7919032B2Process for producing composite of aluminum material and synthetic resin moldingCORONA INTERNAT CORP·Filed 2010·Granted Apr 5, 2011·28 cites·15 claims
- 1992US10962515B2Gas identification by measuring stain development at multiple specific wavelength regions with narrow band optical sensorsHONEYWELL INT INC·Filed 2019·Granted Mar 30, 2021·3 cites·14 claims
- 2092US7427387B2High-purity quartz powder, process for producing the same, and glass moldingMITSUBISHI CHEM CORP·Filed 2006·Granted Sep 23, 2008·15 cites·16 claims
- 2192US6407876B1Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic headHITACHI LTD·Filed 2001·Granted Jun 18, 2002·37 cites·8 claims
- 2292US4667139ATable deviceHITACHI LTD·Filed 1985·Granted May 19, 1987·109 cites·5 claims
- 2391US6224484B1Progressive gaming systemKONAMI CO LTD·Filed 1998·Granted May 1, 2001·824 cites·20 claims
- 2490US7346255B2Tool for optical connector and tool equipped optical connectorFUJIKURA LTD·Filed 2005·Granted Mar 18, 2008·22 cites·27 claims
- 2590US7255643B2Pattern display device and game machine including the sameYAMASA CO LTD·Filed 2003·Granted Aug 14, 2007·130 cites·26 claims
- 2690US7249416B2Comb-vibration preventing structure for hair cutterMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Jul 31, 2007·32 cites·2 claims
- 2790US6060976APlane transformerALPS ELECTRIC CO LTD·Filed 1997·Granted May 9, 2000·63 cites·20 claims
- 2890US5917976AOptical transmission path coupling method and optical transmission path coupling apparatus as well as optical axis self-alignment toolOKI ELECTRIC IND CO LTD·Filed 1997·Granted Jun 29, 1999·96 cites·27 claims
- 2989US10436761B2Gas identification by measuring stain development at multiple specific wavelength regions with narrow band optical sensorsHONEYWELL INT INC·Filed 2015·Granted Oct 8, 2019·3 cites·14 claims
- 3089US7489800B2Image processing methodTOSHIBA KK·Filed 2005·Granted Feb 10, 2009·11 cites·1 claims
- 3189US6784010B2Nitride-based semiconductor laser device and method for the production thereofSONY CORP·Filed 2002·Granted Aug 31, 2004·28 cites·9 claims
- 3289US6438251B1Method of processing image information and method of preventing forgery of certificates or the likeTOSHIBA KK·Filed 1998·Granted Aug 20, 2002·96 cites·22 claims
- 3389US4786267ASpark plugNGK SPARK PLUG CO·Filed 1988·Granted Nov 22, 1988·54 cites·5 claims
- 3488US7159580B2Failure diagnosis apparatus for evaporative fuel processing systemHONDA MOTOR CO LTD·Filed 2005·Granted Jan 9, 2007·16 cites·15 claims
- 3588US6336446B1Evaporated fuel treatment apparatus for internal combustion engineHONDA MOTOR CO LTD·Filed 2000·Granted Jan 8, 2002·29 cites·20 claims
- 3688US5936792APositioning adaptive control method and positioning device as well as information storage deviceHITACHI LTD·Filed 1996·Granted Aug 10, 1999·55 cites·34 claims
- 3788US5734414ACamera apparatus for electronic conferenceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 31, 1998·119 cites·14 claims
- 3887US11204302B2Dynamometer system having electric inertia control device to simulate behavior of inertial bodyMEIDENSHA ELECTRIC MFG CO LTD·Filed 2019·Granted Dec 21, 2021·3 cites·13 claims
- 3987US11175858B2Memory system control method receiving optimized buffer flush/fill (OBFF) messages over a PCIE busKIOXIA CORP·Filed 2020·Granted Nov 16, 2021·2 cites·18 claims
- 4087US7325639B2Fender structure for motorcycleHONDA MOTOR CO LTD·Filed 2005·Granted Feb 5, 2008·17 cites·20 claims
- 4187US6970320B2Servo pattern recording methodHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 29, 2005·23 cites·3 claims
- 4287US6901862B2Image processing methodTOSHIBA KK·Filed 2003·Granted Jun 7, 2005·27 cites·16 claims
- 4387US5624117AGame machine controllerSUGIYAMA ELECTRON CO LTD·Filed 1995·Granted Apr 29, 1997·234 cites·14 claims
- 4487US4939051AGrid for use in lead acid batteries and process for producing sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jul 3, 1990·62 cites·7 claims
- 4586US10895511B2Dynamometer systemMEIDENSHA ELECTRIC MFG CO LTD·Filed 2018·Granted Jan 19, 2021·3 cites·4 claims
- 4686US6950742B2Failure diagnosis apparatus for evaporative fuel processing systemHONDA MOTOR CO LTD·Filed 2004·Granted Sep 27, 2005·31 cites·15 claims
- 4786US6862505B2Vehicle-mounted information processing apparatus having magnetic disk deviceHITACHI LTD·Filed 2003·Granted Mar 1, 2005·21 cites·20 claims
- 4886USD472191SBumper of motor vehicleMAZDA MOTOR·Filed 2002·Granted Mar 25, 2003·33 cites·1 claims
- 4986US6223732B1Evaporated fuel treatment apparatus for internal combustion engineHONDA MOTOR CO LTD·Filed 2000·Granted May 1, 2001·27 cites·15 claims
- 5085US8175323B2Image processing method and image processing apparatusYAMAGUCHI TAKASHI·Filed 2008·Granted May 8, 2012·8 cites·15 claims
Showing the top 50 of 525 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →