Inventor · disambiguated record
Masakazu Tanaka
Also filed as: TANAKA MASAKAZU
66 granted patents·20 pending applications·1,591 citations·filing 1975–2022
99Inventor score
Files withMITSUI CHEMICALS INC13MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10TOYO BOSEKI9SUMITOMO RUBBER IND8DENSO CORP7
Top patents by PatentIndex Score
86 records- 0198US6553544B2Method for design of partial circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 22, 2003·224 cites·18 claims
- 0297US5128408AGas-permeable material with excellent compatibility with bloodTOYO BOSEKI·Filed 1990·Granted Jul 7, 1992·115 cites·8 claims
- 0396US6013275AAntibacterial composition and antibacterial laminateTOYO BOSEKI·Filed 1998·Granted Jan 11, 2000·142 cites·21 claims
- 0494US6393601B1Layout designing apparatus for integrated circuit, transistor size determining apparatus, circuit characteristic evaluating method, and transistor size determining methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 21, 2002·235 cites·7 claims
- 0589US4920759ARadiant heat control apparatus for automotive vehicleNISSAN MOTOR·Filed 1989·Granted May 1, 1990·47 cites·16 claims
- 0684US11485815B24-methyl-1-pentene polymer particle and method for producing 4-methyl-1-pentene resinMITSUI CHEMICALS INC·Filed 2019·Granted Nov 1, 2022·2 cites·19 claims
- 0780US6684375B2Delay distribution calculation method, circuit evaluation method and false path extraction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 27, 2004·23 cites·7 claims
- 0878US11133333B2Producing method for thin film transistor with different crystallinitiesSAKAI DISPLAY PRODUCTS CORP·Filed 2019·Granted Sep 28, 2021·2 cites·5 claims
- 0978US9010295B2Intake system for internal combustion engineYAMAGISHI NAOTO·Filed 2011·Granted Apr 21, 2015·4 cites·18 claims
- 1076US7723263B2Ceramic support capable of supporting a catalyst, a catalyst-ceramic body and processes for producing sameNIPPON SOKEN·Filed 2006·Granted May 25, 2010·5 cites·8 claims
- 1176US6191192B1Antibacterial polymeric moldingsTOYO BOSEKI·Filed 1998·Granted Feb 20, 2001·23 cites·8 claims
- 1275US6012284AEngine exhaust gas purifying systemDENSO CORP·Filed 1998·Granted Jan 11, 2000·51 cites·24 claims
- 1374US7223716B1Ceramic support capable of supporting a catalyst, a catalyst-ceramic body and processes for producing sameDENSO CORP·Filed 2000·Granted May 29, 2007·16 cites·8 claims
- 1474US5541305AComposition compatible with bloodTOYO BOSEKI·Filed 1995·Granted Jul 30, 1996·92 cites·21 claims
- 1573US10072116B2Modified propylene-(α-olefin) copolymer, method for producing same, coating material comprising same, resin composition for molding use, and hot-melt compositionMITSUI CHEMICALS INC·Filed 2014·Granted Sep 11, 2018·1 cites·20 claims
- 1673US6040415ABiocompatible polymersTOYO BOSEKI·Filed 1998·Granted Mar 21, 2000·26 cites·14 claims
- 1771US12091536B2Resin composition containing 4-methyl-1-pentene copolymer, and film for capacitorsMITSUI CHEMICALS INC·Filed 2019·Granted Sep 17, 2024·1 cites·17 claims
- 1871US5783570AOrganic solvent-soluble mucopolysaccharide, antibacterial antithrombogenic composition and medical materialTOYO BOSEKI·Filed 1996·Granted Jul 21, 1998·78 cites·22 claims
- 1971US5761902AChange-over valve unit for switching exhaust gas passages and exhaust gas purifying systemNIPPON DENSO CO·Filed 1995·Granted Jun 9, 1998·36 cites·22 claims
- 2070US6858563B2Catalyst for automobilesDENSO CORP·Filed 2002·Granted Feb 22, 2005·10 cites·19 claims
- 2170US6242072B1Honeycomb structural body and process for production of the sameDENSO CORP·Filed 1999·Granted Jun 5, 2001·35 cites·11 claims
- 2270US5765369AExhaust gas purifying apparatusNIPPON DENSO CO·Filed 1995·Granted Jun 16, 1998·35 cites·23 claims
- 2369US7048894B2Ceramic filter and catalyst-loaded ceramic filterDENSO CORP·Filed 2002·Granted May 23, 2006·14 cites·28 claims
- 2469US5410875AExhaust-gas purification device for an internal combustion engine or the likeNIPPON DENSO CO·Filed 1993·Granted May 2, 1995·37 cites·11 claims
- 2567US7358210B2Ceramic body and ceramic catalyst bodyDENSO CORP·Filed 2002·Granted Apr 15, 2008·8 cites·41 claims
- 2667US7131082B2Delay distribution calculation method, circuit evaluation method and false path extraction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 31, 2006·10 cites·3 claims
- 2767US5589143AExhaust gas purification apparatus for internal combustion engineNIPPON DENSO CO·Filed 1995·Granted Dec 31, 1996·32 cites·5 claims
- 2866US7740778B2Conductive belt, method of producing same, and image-forming apparatus having sameSUMITOMO RUBBER IND·Filed 2007·Granted Jun 22, 2010·2 cites·6 claims
- 2966US7150908B2Conductive beltSUMITOMO RUBBER IND·Filed 2003·Granted Dec 19, 2006·5 cites·12 claims
- 3066US7067452B2Ceramic catalyst bodyNIPPON SOKEN·Filed 2001·Granted Jun 27, 2006·7 cites·36 claims
- 3165US8023869B2Conductive roller which is mounted on an image-forming mechanism of an electrophotographic apparatusSUMITOMO RUBBER IND·Filed 2009·Granted Sep 20, 2011·2 cites·8 claims
- 3265US7641973B2Conductive member for image-forming apparatusSUMITOMO RUBBER IND·Filed 2003·Granted Jan 5, 2010·9 cites·31 claims
- 3365US7144621B2Method of manufacturing laminated seamless belt and laminated seamless beltSUMITOMO RUBBER IND·Filed 2004·Granted Dec 5, 2006·8 cites·16 claims
- 3463US6415417B1Method and apparatus for transistor optimization, method and apparatus for layout design of integrated circuit, and integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 2, 2002·9 cites·14 claims
- 3562US7779373B2Position-dependent variation amount computation method and circuit analysis methodPANASONIC CORP·Filed 2007·Granted Aug 17, 2010·2 cites·21 claims
- 3661US2023331969A1Resin composition and molded articleMITSUI CHEMICALS INC·Filed 2021·Application pending·0 cites
- 3760US5647206AExhaust emission purification apparatusNIPPON DENSO CO·Filed 1995·Granted Jul 15, 1997·26 cites·18 claims
- 3860US2024076425A14-methyl-1-pentene polymerMITSUI CHEMICALS INC·Filed 2022·Application pending·0 cites
- 3958US11999113B2Composite parts and processes of manufactureVICTREX MFG LTD·Filed 2019·Granted Jun 4, 2024·0 cites·14 claims
- 4057US7713458B2Method of manufacturing laminated seamless belt and laminated seamless beltSUMITOMO RUBBER IND·Filed 2006·Granted May 11, 2010·0 cites·5 claims
- 4157US6769098B2Method of physical design for integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 27, 2004·6 cites·23 claims
- 4255US7153897B2Flame-retardant seamless belt, method of manufacturing flame-retardant seamless belt, and image-forming apparatus having flame-retardant seamless beltSUMITOMO RUBBER IND·Filed 2004·Granted Dec 26, 2006·5 cites·14 claims
- 4355US5722882AAutomatic coin discharge apparatusTOKYO ELECTRIC CO LTD·Filed 1995·Granted Mar 3, 1998·25 cites·25 claims
- 4454US10072171B2Olefin-based paint containing propylene/α-olefin copolymerMITSUI CHEMICALS INC·Filed 2014·Granted Sep 11, 2018·0 cites·10 claims
- 4554US5634332AExhaust gas purification apparatusNIPPON DENSO CO·Filed 1995·Granted Jun 3, 1997·20 cites·22 claims
- 4654US2016160044A1Molding resin compositionMITSUI CHEMICALS INC·Filed 2014·Application pending·0 cites
- 4753US6292926B1Functional module model, pipelined circuit synthesis and pipelined circuit deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Sep 18, 2001·26 cites·4 claims
- 4852US9323166B2Electrophotographic tonerMITSUI CHEMICALS INC·Filed 2013·Granted Apr 26, 2016·0 cites·6 claims
- 4952US8670700B2Developing roller for electrophotographic image formingKURODA KENICHI·Filed 2012·Granted Mar 11, 2014·0 cites·6 claims
- 5051US11248069B24-methyl-1-pentene polymer, resin composition and molded articleMITSUI CHEMICALS INC·Filed 2017·Granted Feb 15, 2022·0 cites·16 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →