Inventor · disambiguated record
Takeshi Koyama
Also filed as: KOYAMA TAKESHI
127 granted patents·26 pending applications·1,650 citations·filing 1973–2025
99Inventor score
Top patents by PatentIndex Score
153 records- 0198US6052540AViewfinder device for displaying photographic information relating to operation of a cameraCANON KK·Filed 1996·Granted Apr 18, 2000·98 cites·12 claims
- 0294US6771719B1Automatic gain control method and its systemTOSHIBA KK·Filed 2000·Granted Aug 3, 2004·68 cites·6 claims
- 0394US5640632AViewfinder deviceCANON KK·Filed 1995·Granted Jun 17, 1997·59 cites·30 claims
- 0491US9136263B2Semiconductor deviceSEIKO INSTR INC·Filed 2014·Granted Sep 15, 2015·14 cites·11 claims
- 0590US6728110B2Vehicular electronic deviceFUJITSU TEN LTD·Filed 2002·Granted Apr 27, 2004·49 cites·7 claims
- 0690US5972525ASolid particle containing active carbon, support and catalystJGC CORP·Filed 1997·Granted Oct 26, 1999·66 cites·18 claims
- 0789US8414013B2Housing structure for in-vehicle electronic deviceKOYAMA TAKESHI·Filed 2010·Granted Apr 9, 2013·10 cites·9 claims
- 0889US4849782AFocus detecting deviceCANON KK·Filed 1986·Granted Jul 18, 1989·67 cites·10 claims
- 0988US6681033B1Capacitance detecting apparatus and its inspecting method and fingerprint checking apparatusSONY CORP·Filed 1999·Granted Jan 20, 2004·75 cites·15 claims
- 1086US7414097B2Curing epoxy resin with aliphatic diamine-styrene product and carboxyl- and hydroxyl-containing acceleratorMITSUBISHI GAS CHEMICAL CO·Filed 2007·Granted Aug 19, 2008·5 cites·3 claims
- 1185US4859842AMulti-directional focus state detection apparatusCANON KK·Filed 1989·Granted Aug 22, 1989·54 cites·34 claims
- 1283USD958374SMotion assisting deviceJTEKT CORP·Filed 2020·Granted Jul 19, 2022·12 cites·1 claims
- 1383US7387699B2Process of producing hollow shaped articlesMITSUBISHI GAS CHEMICAL CO·Filed 2005·Granted Jun 17, 2008·9 cites·10 claims
- 1482US9442711B2Communication device, update method, and computer program product for updating a program based on received metainformationKOYAMA TAKESHI·Filed 2011·Granted Sep 13, 2016·8 cites·18 claims
- 1582US9239083B2Universal joint and yokeJTEKT CORP·Filed 2013·Granted Jan 19, 2016·4 cites·2 claims
- 1682US9102786B2Epoxy resin composition, cured object obtained therefrom, and light-emitting diodeSATO TAKASHI·Filed 2008·Granted Aug 11, 2015·4 cites·20 claims
- 1782US5780663AProcess for producing carbonic acid diesterJGC CORP·Filed 1997·Granted Jul 14, 1998·22 cites·5 claims
- 1881US5253005ASmall-sized cameraCANON KK·Filed 1991·Granted Oct 12, 1993·21 cites·21 claims
- 1980US6262296B1Polyisocyanate prepolymerMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Jul 17, 2001·17 cites·4 claims
- 2079US8034962B2Acid anhydride ester and composition thereof, and heat-curable resin composition and cured product thereofMITSUBISHI GAS CHEMICAL CO·Filed 2007·Granted Oct 11, 2011·2 cites·6 claims
- 2179US6887966B2Gas-barrier polyurethane resin, and adhesive for laminate, gas-barrier film and paint containing the sameMITSUBISHI GAS CHEMICAL CO·Filed 2003·Granted May 3, 2005·14 cites·22 claims
- 2279US5815320AZoom lensCANON KK·Filed 1997·Granted Sep 29, 1998·52 cites·35 claims
- 2378USD960381SOrthosisJTEKT CORP·Filed 2020·Granted Aug 9, 2022·7 cites·1 claims
- 2478US10705724B2Information processing apparatus, communication system, and method for processing informationKANEMATSU SHOICHIRO·Filed 2018·Granted Jul 7, 2020·3 cites·13 claims
- 2578US7333664B2Image compression method capable of reducing tile boundary distortionRICOH KK·Filed 2004·Granted Feb 19, 2008·15 cites·23 claims
- 2678US5568321AZoom lensCANON KK·Filed 1993·Granted Oct 22, 1996·45 cites·10 claims
- 2778US4774539ACamera having a focus detecting apparatusCANON KK·Filed 1987·Granted Sep 27, 1988·38 cites·16 claims
- 2877US8456205B2Phase-frequency comparator and serial transmission deviceUSUGI TATSUNORI·Filed 2011·Granted Jun 4, 2013·6 cites·12 claims
- 2976US7666101B2Yoke for universal jointKOYO MACHINE IND CO LTD·Filed 2006·Granted Feb 23, 2010·7 cites·19 claims
- 3076US4812869AFocus detecting apparatusCANON KK·Filed 1987·Granted Mar 14, 1989·35 cites·3 claims
- 3175US7572877B2Modified cyclic aliphatic polyamineMITSUBISHI GASCHEMICAL COMPANY·Filed 2007·Granted Aug 11, 2009·3 cites·10 claims
- 3274US8373231B2Semiconductor deviceSEIKO INSTR INC·Filed 2010·Granted Feb 12, 2013·4 cites·12 claims
- 3373US7510404B2Fixing structure and control device using that fixing structureFUJITSU TEN LTD·Filed 2004·Granted Mar 31, 2009·19 cites·4 claims
- 3473US6636079B2Phase comparing circuit, PLL circuit, televisions broadcasting receiver, and method of comparing phaseTOSHIBA KK·Filed 2001·Granted Oct 21, 2003·13 cites·19 claims
- 3572US12227899B2Method for producing printed textile itemRISO KAGAKU CORP·Filed 2022·Granted Feb 18, 2025·0 cites·7 claims
- 3672US7505630B2Image processing apparatus, image processing method, program, and recording medium that allow setting of most appropriate post-quantization conditionRICOH KK·Filed 2003·Granted Mar 17, 2009·10 cites·30 claims
- 3772US7359549B2Imaging device, image processing method, and recording mediumRICOH KK·Filed 2003·Granted Apr 15, 2008·10 cites·2 claims
- 3872US7323522B2Cyclohexanetricarboxylic monoester and its useMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Jan 29, 2008·9 cites·12 claims
- 3972US7098955B2Optical apparatus operable in static and dynamic image taking modesCANON KK·Filed 2001·Granted Aug 29, 2006·9 cites·2 claims
- 4071US9404530B2Bearing cup and cross shaft jointJTEKT CORP·Filed 2014·Granted Aug 2, 2016·2 cites·2 claims
- 4171US7098258B2Heat-curable resin composition and use thereofMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Aug 29, 2006·11 cites·8 claims
- 4271US4728785AFocus detecting device using adjustable inclined sensing meansCANON KK·Filed 1986·Granted Mar 1, 1988·28 cites·7 claims
- 4370US5990804AAnimate body detectorSONY CORP·Filed 1997·Granted Nov 23, 1999·79 cites·15 claims
- 4470US5182392AProcess for producing bistrimellitic imideMITSUBISHI GAS CHEMICAL CO·Filed 1991·Granted Jan 26, 1993·13 cites·2 claims
- 4570US4992819AFocus detecting device having a plurality of detecting areas and camera provided with the sameCANON KK·Filed 1989·Granted Feb 12, 1991·26 cites·18 claims
- 4670US2023416545A1Aqueous pigment ink for textile inkjet printing, and method for producing printed textile itemRISO KAGAKU CORP·Filed 2023·Application pending·0 cites
- 4769US6461027B1Rear combination lampYAZAKI CORP·Filed 2000·Granted Oct 8, 2002·17 cites·23 claims
- 4869US5831772ACompact zoom lensCANON KK·Filed 1996·Granted Nov 3, 1998·35 cites·16 claims
- 4967US9006831B2Semiconductor deviceSEIKO INSTR INC·Filed 2013·Granted Apr 14, 2015·2 cites·4 claims
- 5067US7240708B2Pneumatic tireMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Jul 10, 2007·7 cites·12 claims
Showing the top 50 of 153 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →