Inventor · disambiguated record
Akio Koyama
Also filed as: KOYAMA AKIO
26 granted patents·2 pending applications·153 citations·filing 1981–2012
95Inventor score
Files withTOYOTA MOTOR CO LTD11TAKESHIMA SHINICHI5NIPPON MINING CO2UNIV MEIJI LEGAL PERSON2HITACHI LTD1
Top patents by PatentIndex Score
28 records- 0191US8382905B2Plant-fiber-material transformation methodTOYOTA MOTOR CO LTD·Filed 2008·Granted Feb 26, 2013·11 cites·26 claims
- 0286US8206671B2Porous composite oxide and production method thereofTAKESHIMA SHINICHI·Filed 2009·Granted Jun 26, 2012·5 cites·14 claims
- 0386US4414424AGas-insulated bus barTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Nov 8, 1983·51 cites·3 claims
- 0483US7915195B2Exhaust gas purifying catalyst and production process thereofTOYOTA MOTOR CO LTD·Filed 2007·Granted Mar 29, 2011·6 cites·10 claims
- 0582US8999878B2Exhaust gas purifying catalystTAKESHIMA SHINICHI·Filed 2007·Granted Apr 7, 2015·10 cites·9 claims
- 0682US8574524B2Porous composite oxide and production method thereofTAKESHIMA SHINICHI·Filed 2012·Granted Nov 5, 2013·2 cites·3 claims
- 0781US7968490B2Method for producing porous substancesTOYOTA MOTOR CO LTD·Filed 2005·Granted Jun 28, 2011·6 cites·13 claims
- 0875US7604789B2Porous composite oxide and production method thereofTOYOTA MOTOR CO LTD·Filed 2004·Granted Oct 20, 2009·6 cites·1 claims
- 0971US7776783B2Catalyst carrier and exhaust gas purification catalystTOYOTA MOTOR CO LTD·Filed 2006·Granted Aug 17, 2010·2 cites·15 claims
- 1070US8298983B2Production process of composite metal oxideTAKESHIMA SHINICHI·Filed 2007·Granted Oct 30, 2012·2 cites·9 claims
- 1170US7608559B2Method for producing heat-resisting compound oxidesTOYOTA MOTOR CO LTD·Filed 2006·Granted Oct 27, 2009·2 cites·9 claims
- 1258US8034743B2Method for production of an exhaust gas purification catalyst support and exhaust gas purification catalyst supportTOYOTA MOTOR CO LTD·Filed 2008·Granted Oct 11, 2011·0 cites·1 claims
- 1358US6878200B2Mortar or concrete compositionSHINETSU CHEMICAL CO·Filed 2004·Granted Apr 12, 2005·5 cites·14 claims
- 1458US4939106ASintered ceramic bodyTDK CORP·Filed 1988·Granted Jul 3, 1990·15 cites·4 claims
- 1555US7790649B2Production process of exhaust gas purifying catalystTOYOTA MOTOR CO LTD·Filed 2007·Granted Sep 7, 2010·0 cites·12 claims
- 1655US6299680B1CdTe crystal or CdZnTe crystal and method for preparing the sameJAPAN ENERGY CORP·Filed 1999·Granted Oct 9, 2001·11 cites·5 claims
- 1753US8093931B2Semiconductor integrated circuit deviceSHINOMIYA TOSHIO·Filed 2009·Granted Jan 10, 2012·3 cites·6 claims
- 1852US6310343B1Electron impact elastic recoil hydrogen atom analyzerRIKEN·Filed 2000·Granted Oct 30, 2001·2 cites·11 claims
- 1951US8288310B2Automobile exhaust gas purification catalyst and method of production of sameTAKESHIMA SHINICHI·Filed 2007·Granted Oct 16, 2012·0 cites·4 claims
- 2051US7910084B2Compound oxide manufacturing methodTOYOTA MOTOR CO LTD·Filed 2007·Granted Mar 22, 2011·0 cites·2 claims
- 2148US7758840B2Method for producing compoundTOYOTA MOTOR CO LTD·Filed 2006·Granted Jul 20, 2010·0 cites·11 claims
- 2247US7678733B2Method for producing heat-resisting compound oxidesTOYOTA MOTOR CO LTD·Filed 2006·Granted Mar 16, 2010·0 cites·6 claims
- 2343US7154133B1Semiconductor device and method of manufactureRENESAS TECH CORP·Filed 1999·Granted Dec 26, 2006·8 cites·41 claims
- 2441US4585621AVapor-deposited film of selenium or selenium alloy for electrophotographyNIPPON MINING CO·Filed 1984·Granted Apr 29, 1986·5 cites·2 claims
- 2537US2010176034A1Powder separator and method of powder separationUNIV MEIJI LEGAL PERSON·Filed 2007·Application pending·0 cites
- 2635US2009050720A1Powderizing Apparatus and Powderizing MethodUNIV MEIJI LEGAL PERSON·Filed 2007·Application pending·0 cites
- 2734US7034568B2Logic circuitHITACHI LTD·Filed 2004·Granted Apr 25, 2006·0 cites·13 claims
- 2829US4615964AVapor-deposited film of selenium as photoreceptor for electrophotography and process for producing the sameNIPPON MINING CO·Filed 1984·Granted Oct 7, 1986·1 cites·3 claims
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