Inventor · disambiguated record
Ryoji Yamaguchi
Also filed as: YAMAGUCHI RYOJI
33 granted patents·5 pending applications·463 citations·filing 1977–2023
97Inventor score
Files withTOKYO SHIBAURA ELECTRIC CO7MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6IWATSU ELECTRIC CO LTD5YAMAGUCHI RYOJI5TOSHIBA KK4
Top patents by PatentIndex Score
38 records- 0195US4488645ACase for housing information memory media thereinTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Dec 18, 1984·55 cites·20 claims
- 0288US4443043AElectric motor unitTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Apr 17, 1984·55 cites·6 claims
- 0387US5737481AInformation recording method, information recording apparatus and information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 7, 1998·101 cites·26 claims
- 0485USD265087STelephone unitIWATSU ELECTRIC CO LTD·Filed 1979·Granted Jun 22, 1982·19 cites·1 claims
- 0582US8811470B2Integrated circuit for video/audio processingKIMURA KOZO·Filed 2005·Granted Aug 19, 2014·10 cites·26 claims
- 0681US5815209AEncoding method, an encoding apparatus, a decoding method and a decoding apparatus for a moving pictureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 29, 1998·66 cites·14 claims
- 0773US4538081AElectric motor with hydrodynamic pressure and magnetic thrust bearingsTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Aug 27, 1985·25 cites·3 claims
- 0872USD307145STelephone unitIWATSU ELECTRIC CO LTD·Filed 1988·Granted Apr 10, 1990·13 cites·1 claims
- 0971US8888906B2Heat-sensitive color-developing composition and heat-sensitive recording material comprising the compositionYAMAGUCHI RYOJI·Filed 2011·Granted Nov 18, 2014·1 cites·6 claims
- 1071US4896312ACartridge loading apparatusTOSHIBA KK·Filed 1987·Granted Jan 23, 1990·17 cites·12 claims
- 1168US8319740B2Display control apparatusKIMURA MASAHIKO·Filed 2009·Granted Nov 27, 2012·4 cites·7 claims
- 1265US8468450B2Output control device, computer readable medium for the same, and output control systemYAMAGUCHI RYOJI·Filed 2008·Granted Jun 18, 2013·2 cites·19 claims
- 1364US9361259B2Integrated circuit with multipurpose processing and for video/audio processing optimizationPANASONIC CORP·Filed 2014·Granted Jun 7, 2016·1 cites·4 claims
- 1464US4327287ALaser scanning apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Apr 27, 1982·15 cites·12 claims
- 1562USD289165SFacsimile transceiverIWATSU ELECTRIC CO LTD·Filed 1984·Granted Apr 7, 1987·9 cites·1 claims
- 1658US4827468AInformation memory mediumTOSHIBA KK·Filed 1987·Granted May 2, 1989·11 cites·9 claims
- 1757US6847687B2Audio and video processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 25, 2005·3 cites·15 claims
- 1857US4866697AInformation memory mediumTOSHIBA KK·Filed 1987·Granted Sep 12, 1989·11 cites·12 claims
- 1956US8649662B2Coded signal reproduction apparatusYAMAGUCHI RYOJI·Filed 2009·Granted Feb 11, 2014·0 cites·5 claims
- 2055US12486239B2Benzotriazole compound, light absorber, and resin compositionMITSUI CHEMICALS INC·Filed 2020·Granted Dec 2, 2025·0 cites·11 claims
- 2155US2023312275A1Printing apparatusBROTHER IND LTD·Filed 2023·Application pending·0 cites
- 2253US6647202B1Video signal reproducing apparatus capable of reproducing bitstreams and video signal reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 11, 2003·21 cites·14 claims
- 2351US8311192B2Communication device, communication system and computer readable medium for communicationKUNII TADAHIRO·Filed 2008·Granted Nov 13, 2012·0 cites·24 claims
- 2451US7884664B2Input device, and multi-function peripheralBROTHER IND LTD·Filed 2009·Granted Feb 8, 2011·0 cites·13 claims
- 2551USD267179SCall processor for a telephone systemIWATSU ELECTRIC CO LTD·Filed 1979·Granted Dec 7, 1982·5 cites·1 claims
- 2650USD306861STelephone unitIWATSU ELECTRIC CO LTD·Filed 1988·Granted Mar 27, 1990·5 cites·1 claims
- 2750US2007015109A1Jaw dentureYAMAGUCHI RYOJI·Filed 2005·Application pending·0 cites
- 2847US7386180B2Image signal reproduction apparatus and image signal reproduction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 10, 2008·2 cites·16 claims
- 2941US4165871APattern reading deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Aug 28, 1979·4 cites·15 claims
- 3040US2008025410A1Signal Playback DeviceMATSUI TOMOKO·Filed 2005·Application pending·0 cites
- 3140US2007206870A1Encoded Data Decoding ApparatusHOASHI KATSUMI·Filed 2004·Application pending·0 cites
- 3238US10855828B2Communication control device, communication system and communication methodYAMAGUCHI RYOJI·Filed 2011·Granted Dec 1, 2020·0 cites·14 claims
- 3338US6892025B2Apparatus and method for reproducing picture signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 10, 2005·0 cites·8 claims
- 3437US4489410AApparatus for installing a diskTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Dec 18, 1984·3 cites·6 claims
- 3537US4421385APolygon mirror for use with laser beam scanning apparatus including means for handling and storing the mirrorTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Dec 20, 1983·5 cites·8 claims
- 3636US2008030619A1Digital Image Receiving Device And MethodHOASHI KATSUMI·Filed 2005·Application pending·0 cites
- 3730US7809246B1Apparatus for reproduction of encoded signalPANASONIC CORP·Filed 1998·Granted Oct 5, 2010·0 cites·14 claims
- 3828US5265087AInformation medium with improved temperature characteristicsTOSHIBA KK·Filed 1991·Granted Nov 23, 1993·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →