Inventor · disambiguated record
Hiroyuki Yamaguchi
Also filed as: YAMAGUCHI HIROYUKI
209 granted patents·57 pending applications·3,202 citations·filing 1981–2025
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD44SONY CORP25TOYOTA MOTOR CO LTD25YAMAGUCHI HIROYUKI21CANON KK11
Top patents by PatentIndex Score
266 records- 0197US6411575B1Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 25, 2002·116 cites·6 claims
- 0296US7997394B2Damping force adjustable fluid pressure shock absorberHITACHI LTD·Filed 2008·Granted Aug 16, 2011·38 cites·20 claims
- 0396US7322449B2Hydraulic shock absorberHITACHI LTD·Filed 2005·Granted Jan 29, 2008·34 cites·13 claims
- 0495US6122585AAnti-lock braking system based on an estimated gradient of friction torque, method of determining a starting point for anti-lock brake control, and wheel-behavior-quantity servo control means equipped with limit determination meansTOYODA CHUO KENKYUSHO KK·Filed 1997·Granted Sep 19, 2000·82 cites·16 claims
- 0595US4692915ARecording and reproduction apparatus having improved reliability with respect to externally applied vibration or impactMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Sep 8, 1987·73 cites·19 claims
- 0694US7643559B2Coding method, decoding method, coding apparatus, decoding apparatus, image processing system, coding program, and decoding programNTT DOCOMO INC·Filed 2002·Granted Jan 5, 2010·92 cites·27 claims
- 0794US5444682ATracking control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 22, 1995·75 cites·19 claims
- 0894US4834205AApparatus for controlling steering of wheels of a vehicleTOYODA CHUO KENKYUSHO KK·Filed 1988·Granted May 30, 1989·81 cites·18 claims
- 0993US8329343B2Battery and electrodeYAMAGUCHI HIROYUKI·Filed 2009·Granted Dec 11, 2012·15 cites·9 claims
- 1093US6324461B1Road surface condition estimating apparatus and variation reduction processing apparatusTOYODA CHUO KENKYUSHO KK·Filed 1998·Granted Nov 27, 2001·64 cites·10 claims
- 1193US6240055B1Focus position adjustment device and optical disc drive apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 29, 2001·103 cites·43 claims
- 1293US5899086AHeat pump type air conditioning system for automotive vehicleCALSONIC CORP·Filed 1997·Granted May 4, 1999·86 cites·7 claims
- 1392US7596279B2Image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, and image decoding programNTT DOCOMO INC·Filed 2003·Granted Sep 29, 2009·37 cites·11 claims
- 1492US7218585B2Information medium and information recording/reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 15, 2007·56 cites·12 claims
- 1592US6182001B1Braking estimation device, anti-lock brake controller, and braking pressure controllerTOYODA CHUO KENKYUSHO KK·Filed 1997·Granted Jan 30, 2001·61 cites·7 claims
- 1691US7903891B2Image encoding apparatus, image decoding apparatus, image encoding method, image decoding method, image encoding program, and image decoding programNTT DOCOMO INC·Filed 2007·Granted Mar 8, 2011·11 cites·24 claims
- 1791US4360649ACurable compositionSUMITOMO CHEMICAL CO·Filed 1981·Granted Nov 23, 1982·60 cites·9 claims
- 1890US12261296B2Active materialTOYOTA MOTOR CO LTD·Filed 2023·Granted Mar 25, 2025·0 cites·1 claims
- 1990US10205163B2Battery with anode active material with oxide coating on active particlesSONY CORP·Filed 2016·Granted Feb 12, 2019·2 cites·12 claims
- 2090US7970223B2Image encoding apparatus, image decoding apparatus, image encoding method, image decoding method, image encoding program, and image decoding programNTT DOCOMO INC·Filed 2009·Granted Jun 28, 2011·9 cites·11 claims
- 2190USD497107SContainer for wrapping purposeTAOKA CHEMICAL CO LTD·Filed 2002·Granted Oct 12, 2004·44 cites·1 claims
- 2290US5189473AInside contamination prevention structure for a device utilizing toner particlesASAHI OPTICAL CO LTD·Filed 1991·Granted Feb 23, 1993·43 cites·10 claims
- 2389US9431650B2Method of manufacturing anode active material with oxide coating on active particlesSONY CORP·Filed 2014·Granted Aug 30, 2016·3 cites·8 claims
- 2489US8192020B2Tilted-wear type contact lensGOTO YUJI·Filed 2008·Granted Jun 5, 2012·37 cites·12 claims
- 2589US7776476B2BatterySONY CORP·Filed 2005·Granted Aug 17, 2010·9 cites·14 claims
- 2689US6547046B2Hydraulic damperUNISIA JECS CORP·Filed 2001·Granted Apr 15, 2003·32 cites·23 claims
- 2789US6374172B1Vehicle driving condition detection deviceAISIN SEIKI·Filed 2000·Granted Apr 16, 2002·59 cites·5 claims
- 2888US10716211B2Printed circuit board, printed wiring board, electronic device, and cameraCANON KK·Filed 2019·Granted Jul 14, 2020·8 cites·12 claims
- 2988US6604576B2Automotive air conditioning systemCALSONIC KANSEI CORP·Filed 1997·Granted Aug 12, 2003·64 cites·3 claims
- 3087US9166221B2Anode and battery with improved charge-discharge efficiency and method manufacturing the sameYAMAGUCHI HIROYUKI·Filed 2010·Granted Oct 20, 2015·3 cites·7 claims
- 3187US7645544B2Electrolyte, battery including electrolyte, and method for manufacturing electrolyteSONY CORP·Filed 2007·Granted Jan 12, 2010·7 cites·22 claims
- 3287US4410457AConductive pasteSUMITOMO CHEMICAL CO·Filed 1982·Granted Oct 18, 1983·77 cites·6 claims
- 3386US9538634B2Printed circuit boardCANON KK·Filed 2013·Granted Jan 3, 2017·5 cites·17 claims
- 3486US6264292B1Wheel condition estimating apparatusTOYODA CHUO KENKYUSHO KK·Filed 1998·Granted Jul 24, 2001·39 cites·24 claims
- 3586US5566141ATrack retrieving method for making a light beam jump and scan from one track to anotherMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 15, 1996·35 cites·8 claims
- 3685US10491094B2Eddy current retarder with electricity generating functionNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Nov 26, 2019·3 cites·3 claims
- 3785US5564845AContinuous form printer having multiple feed sensors and methodASAHI OPTICAL CO LTD·Filed 1994·Granted Oct 15, 1996·45 cites·21 claims
- 3884US11901556B2Active materialTOYOTA MOTOR CO LTD·Filed 2022·Granted Feb 13, 2024·0 cites·1 claims
- 3984US8221656B2Secondary batteryIHARA MASAYUKI·Filed 2009·Granted Jul 17, 2012·5 cites·17 claims
- 4084US5343454ATracking control apparatus for correcting tracking error signal according to approximate equation of a function of track addressMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Aug 30, 1994·36 cites·17 claims
- 4183US8932761B2Anode and method of manufacturing the same, and battery and method of manufacturing the sameYAMAGUCHI HIROYUKI·Filed 2007·Granted Jan 13, 2015·3 cites·8 claims
- 4283US8628885B2Secondary battery and electronic deviceYAMAGUCHI HIROYUKI·Filed 2009·Granted Jan 14, 2014·5 cites·8 claims
- 4383US8544619B2Fluid pressure shock absorberYAMAGUCHI HIROYUKI·Filed 2008·Granted Oct 1, 2013·12 cites·22 claims
- 4483US6449232B1Disk type determination methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 10, 2002·44 cites·29 claims
- 4583US6308115B1Vehicle running condition judgement deviceTOYODA CHUO KENKYUSHO KK·Filed 1999·Granted Oct 23, 2001·34 cites·17 claims
- 4683US5710818AApparatus for expanding and controlling sound fieldsFUJITSU TEN LTD·Filed 1994·Granted Jan 20, 1998·65 cites·13 claims
- 4783US5701949AAir conditioner for an automobileNIPPON DENSO CO·Filed 1996·Granted Dec 30, 1997·55 cites·6 claims
- 4883US5146440ATrack search apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Sep 8, 1992·29 cites·18 claims
- 4982US11498425B2Ground fault detection deviceHONDA MOTOR CO LTD·Filed 2021·Granted Nov 15, 2022·1 cites·9 claims
- 5082US8349489B2Cathode active material, cathode therewith and nonaqueous electrolyte secondary batterySONY CORP·Filed 2009·Granted Jan 8, 2013·3 cites·14 claims
Showing the top 50 of 266 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →