Inventor · disambiguated record
Masahiko Takeuchi
Also filed as: TAKEUCHI MASAHIKO
46 granted patents·13 pending applications·727 citations·filing 1982–2025
98Inventor score
Top patents by PatentIndex Score
59 records- 0198US10344655B2Exhaust gas purification catalystCATALER CORP·Filed 2015·Granted Jul 9, 2019·28 cites·11 claims
- 0298US10125649B2Exhaust gas purification catalystCATALER CORP·Filed 2015·Granted Nov 13, 2018·21 cites·9 claims
- 0397US10357744B2Exhaust gas purification deviceCATALER CORP·Filed 2015·Granted Jul 23, 2019·25 cites·7 claims
- 0497US10201805B2Exhaust gas purification apparatusCATALER CORP·Filed 2015·Granted Feb 12, 2019·25 cites·6 claims
- 0597US10183253B2Exhaust gas purification deviceCATALER CORP·Filed 2015·Granted Jan 22, 2019·17 cites·4 claims
- 0697US10159935B2Exhaust gas purification catalystCATALER CORP·Filed 2015·Granted Dec 25, 2018·20 cites·13 claims
- 0796US10159934B2Exhaust gas purification catalystCATALER CORP·Filed 2016·Granted Dec 25, 2018·25 cites·14 claims
- 0896US10076725B2Exhaust gas purification catalystCATALER CORP·Filed 2016·Granted Sep 18, 2018·17 cites·13 claims
- 0995US10626765B2Exhaust gas purification deviceCATALER CORP·Filed 2017·Granted Apr 21, 2020·19 cites·6 claims
- 1094US5763921ASemiconductor device including retrograde well structure with suppressed substrate bias effectsMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jun 9, 1998·136 cites·2 claims
- 1193US6569803B2Catalyst for purifying exhaust gasTOYOTA MOTOR CO LTD·Filed 2001·Granted May 27, 2003·58 cites·23 claims
- 1291US8551908B2Exhaust gas purification catalystSATOU AKEMI·Filed 2009·Granted Oct 8, 2013·30 cites·12 claims
- 1387US6591576B1Structural member having closed sections, and apparatus and method for producing the structural memberTOYOTA MOTOR CO LTD·Filed 2000·Granted Jul 15, 2003·33 cites·1 claims
- 1481US10500391B2Adapter for male connector and male connector with adapterJMS CO LTD·Filed 2016·Granted Dec 10, 2019·4 cites·12 claims
- 1578US10596068B2Drug container connector and male member coverJMS CO LTD·Filed 2015·Granted Mar 24, 2020·3 cites·22 claims
- 1678US10556099B2Lever lock male connector and male connector assemblyJMS CO LTD·Filed 2016·Granted Feb 11, 2020·3 cites·14 claims
- 1778US7363858B2Printing apparatus with plate feeding mechanism having transport rollersDAINIPPON SCREEN MFG·Filed 2005·Granted Apr 29, 2008·2 cites·7 claims
- 1877US6335560B1Semiconductor device having a mark section and a dummy patternMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jan 1, 2002·50 cites·11 claims
- 1976US4448754AMonolithic catalyst catalytic converter with catalyst holding expansible retainer ringTOYOTA MOTOR CO LTD·Filed 1982·Granted May 15, 1984·39 cites·15 claims
- 2075US6849957B2Photomask including auxiliary mark area, semiconductor device and manufacturing method thereofRENESAS TECH CORP·Filed 2000·Granted Feb 1, 2005·22 cites·4 claims
- 2174US7439569B2Semiconductor device manufacturing method and semiconductor deviceRENESAS TECH CORP·Filed 2006·Granted Oct 21, 2008·4 cites·3 claims
- 2274US7078759B2Semiconductor device manufacturing method and semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Jul 18, 2006·4 cites·6 claims
- 2373US10543150B2Vial shieldJMS CO LTD·Filed 2013·Granted Jan 28, 2020·4 cites·15 claims
- 2472US8981422B2Semiconductor device and method of manufacturing the sameTAKEUCHI MASAHIKO·Filed 2012·Granted Mar 17, 2015·3 cites·6 claims
- 2570US6837490B2Paper feeding apparatusDAINIPPON SCREEN MFG·Filed 2002·Granted Jan 4, 2005·10 cites·2 claims
- 2669US2025243076A1Method and system for fixing carbon dioxideTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 2768US5010226AAutomatic seam welding apparatusTOYOTA MOTOR CO LTD·Filed 1989·Granted Apr 23, 1991·21 cites·12 claims
- 2867US2025229223A1Carbon dioxide fixation method and carbon dioxide fixation systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 2966US8120116B2Semiconductor device and photomaskTAKEUCHI MASAHIKO·Filed 2008·Granted Feb 21, 2012·4 cites·10 claims
- 3066US2025242302A1Carbon dioxide immobilization system and carbon dioxide immobilization methodTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 3166US2025242300A1Carbon dioxide immobilization system and carbon dioxide immobilization methodTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 3265US5809952AValve opening system of internal combustion engineMITSUBISHI MOTORS CORP·Filed 1996·Granted Sep 22, 1998·21 cites·12 claims
- 3364US9595528B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2015·Granted Mar 14, 2017·1 cites·5 claims
- 3462US6521933B2Semiconductor device and method of manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Feb 18, 2003·8 cites·10 claims
- 3560US6743692B2Semiconductor device manufacturing methodRENESAS TECH CORP·Filed 2003·Granted Jun 1, 2004·9 cites·5 claims
- 3659US6684627B2Method of purifying exhaust gas from internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Feb 3, 2004·9 cites·20 claims
- 3757US4784562AApparatus for carrying work to and out of pressTOYOTA MOTOR CO LTD·Filed 1986·Granted Nov 15, 1988·17 cites·3 claims
- 3855US7763926B2Semiconductor device manufacturing method and semiconductor deviceRENESAS TECH CORP·Filed 2008·Granted Jul 27, 2010·0 cites·3 claims
- 3955US6924192B2Semiconductor device manufacturing method and semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted Aug 2, 2005·4 cites·14 claims
- 4053US6765256B2Semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted Jul 20, 2004·6 cites·9 claims
- 4152US2023395522A1Semiconductor device and manufacturing method thereofKIOXIA CORP·Filed 2022·Application pending·0 cites
- 4251US2015265499A1Puncture needle adapterJMS CO LTD·Filed 2013·Application pending·0 cites
- 4351US2025250174A1Hydrogencarbonate producing system and hydrogencarbonate producing methodTOYOTA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 4450US12042618B2ConnectorJMS CO LTD·Filed 2019·Granted Jul 23, 2024·0 cites·14 claims
- 4550US6770421B2Photo- or heat-curable resin composition and multilayer printed wiring boardNIPPON STEEL CHEMICAL CO·Filed 2001·Granted Aug 3, 2004·4 cites·5 claims
- 4649US5018939AApparatus for separating iron sheetsTOYOTA MOTOR CO LTD·Filed 1989·Granted May 28, 1991·12 cites·10 claims
- 4747US6734481B2Semiconductor device having a monitor patternRENESAS TECH CORP·Filed 2002·Granted May 11, 2004·1 cites·5 claims
- 4845US6780549B2Photo-or heat-curable resin composition and multilayer printed wiring boardNIPPON STEEL CHEMICAL CO·Filed 2001·Granted Aug 24, 2004·2 cites·3 claims
- 4944US2008057299A1Laminate for wiring boardNIPPON STEEL CHEMICAL CO·Filed 2007·Application pending·0 cites
- 5043US11346524B2Ventilation housingNITTO DENKO CORP·Filed 2019·Granted May 31, 2022·0 cites·11 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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