Inventor · disambiguated record
Keiichi Yamada
Also filed as: YAMADA KEIICHI
95 granted patents·20 pending applications·1,820 citations·filing 1978–2023
99Inventor score
Top patents by PatentIndex Score
115 records- 0198US7523036B2Text-to-speech synthesis systemSONY CORP·Filed 2006·Granted Apr 21, 2009·271 cites·50 claims
- 0297US4546739AFuel injection valve with variable discharge area of nozzle holesDIESEL KIKI CO·Filed 1984·Granted Oct 15, 1985·70 cites·5 claims
- 0392US6055536AInformation processing apparatus and information processing methodSONY CORP·Filed 1997·Granted Apr 25, 2000·227 cites·105 claims
- 0491US4528951AFuel injection valve for internal combustion enginesDIESEL KIKI CO·Filed 1984·Granted Jul 16, 1985·35 cites·4 claims
- 0589US8983846B2Information processing apparatus, information processing method, and program for providing feedback on a user requestDI PROFIO UGO·Filed 2011·Granted Mar 17, 2015·28 cites·14 claims
- 0688US5517242AImage sensing device having expanded dynamic rangeTOYODA CHUO KENKYUSHO KK·Filed 1994·Granted May 14, 1996·91 cites·9 claims
- 0786US7065257B2Image processing method and apparatusTOYOTA CHUO KENKYUSHO KK·Filed 2002·Granted Jun 20, 2006·34 cites·22 claims
- 0884US8139788B2Apparatus and method for separating audio signalsHIROE ATSUO·Filed 2006·Granted Mar 20, 2012·11 cites·5 claims
- 0984US7979270B2Speech recognition apparatus and methodSONY CORP·Filed 2007·Granted Jul 12, 2011·16 cites·6 claims
- 1083US7349848B2Communication apparatus and system acting on speaker voicesSONY CORP·Filed 2006·Granted Mar 25, 2008·12 cites·40 claims
- 1183US7126460B2Surrounding conditions display apparatusTOYOTA CHUO KENKYUSHO KK·Filed 2002·Granted Oct 24, 2006·34 cites·19 claims
- 1283US4586480AElectronically controlled distributor type fuel injection pumpDIESEL KIKI CO·Filed 1984·Granted May 6, 1986·24 cites·6 claims
- 1382US4678160ASolenoid valveDIESEL KIKI CO·Filed 1986·Granted Jul 7, 1987·30 cites·8 claims
- 1481US4963463ARadiation-sensitive resin composition with admixtures of O-quinone diazide and acid esters having nitrobenzyl or cyanobenzyl groupJAPAN SYNTHETIC RUBBER CO LTD·Filed 1989·Granted Oct 16, 1990·39 cites·12 claims
- 1580US7605110B2Ceramic body, ceramic catalyst body and related manufacturing methodsDENSO CORP·Filed 2007·Granted Oct 20, 2009·5 cites·56 claims
- 1680US7512345B2Wavelength division multiplexing optical transmission system and methodNEC CORP·Filed 2005·Granted Mar 31, 2009·8 cites·30 claims
- 1779US7809146B2Audio signal separation device and method thereofSONY CORP·Filed 2006·Granted Oct 5, 2010·12 cites·5 claims
- 1877US7099826B2Text-to-speech synthesis systemSONY CORP·Filed 2002·Granted Aug 29, 2006·22 cites·38 claims
- 1977US5253336AMethod for fitting third-degree Bezier curves to series of data pointsTOSHIBA KK·Filed 1990·Granted Oct 12, 1993·55 cites·6 claims
- 2077US4271808AFuel injection pump for internal combustion enginesDIESEL KIKI CO·Filed 1979·Granted Jun 9, 1981·14 cites·9 claims
- 2176US9103903B2Approaching vehicle detecting system and approaching vehicle detecting methodFUNAYAMA RYUJI·Filed 2012·Granted Aug 11, 2015·7 cites·14 claims
- 2275US7379871B2Speech synthesizing apparatus, speech synthesizing method, and recording medium using a plurality of substitute dictionaries corresponding to pre-programmed personality informationSONY CORP·Filed 2000·Granted May 27, 2008·19 cites·13 claims
- 2375US4231271AAttachment for bolt tightening and removing deviceYAMADA KEIICHI·Filed 1978·Granted Nov 4, 1980·24 cites·8 claims
- 2473US6267479B1Semiconductor device, and method for manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jul 31, 2001·34 cites·5 claims
- 2573US4262645AInjection timing control device for distributor-type fuel injection pumpDIESEL KIKI CO·Filed 1979·Granted Apr 21, 1981·15 cites·5 claims
- 2672US6937406B2Optical module and method for manufacturing optical moduleOPNEXT JAPAN INC·Filed 2003·Granted Aug 30, 2005·14 cites·11 claims
- 2771US8412715B2Information processing apparatus and method and program for controlling the sameASANO YASUHARU·Filed 2005·Granted Apr 2, 2013·6 cites·12 claims
- 2871US4610233AFuel injection system for internal combustion engineDIESEL KIKI CO·Filed 1985·Granted Sep 9, 1986·19 cites·3 claims
- 2970US9929086B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Mar 27, 2018·1 cites·8 claims
- 3069US8680599B2Semiconductor device and method of manufacturing the sameMITSUYAMA HIROSHI·Filed 2011·Granted Mar 25, 2014·4 cites·9 claims
- 3169US8669621B2Semiconductor device and method of manufacturing semiconductor deviceYAMADA KEIICHI·Filed 2010·Granted Mar 11, 2014·3 cites·23 claims
- 3269US4271805AFuel injection pumpDIESEL KIKI CO·Filed 1978·Granted Jun 9, 1981·13 cites·15 claims
- 3368US7945439B2Information processing apparatus, information processing method, and computer programSONY CORP·Filed 2007·Granted May 17, 2011·4 cites·12 claims
- 3468US6153918ASemiconductor device with improved planarity and reduced parasitic capacitanceMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Nov 28, 2000·35 cites·8 claims
- 3567US8600752B2Search apparatus, search method, and programYAMADA KEIICHI·Filed 2011·Granted Dec 3, 2013·2 cites·12 claims
- 3667US7838462B2Ceramic support capable of supporting catalyst, catalyst-ceramic body and processes for producing sameDENSO CORP·Filed 2006·Granted Nov 23, 2010·2 cites·33 claims
- 3767US5231697AMethod and system for determining connection states of straight short vectors representing figure in curve fittingTOSHIBA KK·Filed 1990·Granted Jul 27, 1993·47 cites·8 claims
- 3867US4622942AFuel injection apparatus for internal combustion enginesDIESEL KIKI CO·Filed 1985·Granted Nov 18, 1986·19 cites·12 claims
- 3966US7908142B2Apparatus and method for identifying prosody and apparatus and method for recognizing speechSONY CORP·Filed 2007·Granted Mar 15, 2011·4 cites·10 claims
- 4064US9478601B2Semiconductor deviceTOMITA KAZUO·Filed 2011·Granted Oct 25, 2016·1 cites·10 claims
- 4164US6541823B1Semiconductor device including multiple field effect transistors and manufacturing method thereofMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Apr 1, 2003·20 cites·2 claims
- 4264US4327696AFuel injection pump for internal combustion enginesDIESEL KIKI CO·Filed 1980·Granted May 4, 1982·10 cites·6 claims
- 4363US6853030B2Semiconductor device including multiple field effect transistors, with first FETs having oxide spacers and the second FETs having oxide nitride oxidation protectionRENESAS TECH CORP·Filed 2003·Granted Feb 8, 2005·9 cites·2 claims
- 4462US7720775B2Learning equipment and learning method, and robot apparatusSONY CORP·Filed 2003·Granted May 18, 2010·16 cites·15 claims
- 4562US4489684AFuel injection pump assemblyDIESEL KIKI CO·Filed 1982·Granted Dec 25, 1984·11 cites·4 claims
- 4661US4886565AReactive ion etching apparatusJAPAN SYNTHETIC RUBBER CO LTD·Filed 1989·Granted Dec 12, 1989·28 cites·10 claims
- 4761US2025194600A1Mesoionic arylpyridazinium derivative or salt thereof and insecticidal agent containing the compound and method for using sameNIHON NOHYAKU CO LTD·Filed 2023·Application pending·0 cites
- 4860US8165873B2Speech analysis apparatus, speech analysis method and computer programYAMADA KEIICHI·Filed 2008·Granted Apr 24, 2012·3 cites·11 claims
- 4960US6865535B2Synchronization control apparatus and method, and recording mediumSONY CORP·Filed 2000·Granted Mar 8, 2005·7 cites·2 claims
- 5060US5354969APositive-temperature-coefficient thermistor heating device and process for production of the sameNIPPON DENSO CO·Filed 1993·Granted Oct 11, 1994·20 cites·7 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →