Inventor · disambiguated record
Koichi Umemoto
Also filed as: UMEMOTO KOICHI
13 granted patents·5 pending applications·1,003 citations·filing 1988–2012
94Inventor score
Files withNGK INSULATORS LTD12DAICEL CHEM2UMEMOTO KOICHI2DAICEL CHEMICAL IND LTD MAINIC1NAMIKOSHI HAJIME1
Top patents by PatentIndex Score
18 records- 0197US5306895ACorrosion-resistant member for chemical apparatus using halogen series corrosive gasNGK INSULATORS LTD·Filed 1992·Granted Apr 26, 1994·157 cites·23 claims
- 0296US5800618APlasma-generating electrode device, an electrode-embedded article, and a method of manufacturing thereofNGK INSULATORS LTD·Filed 1994·Granted Sep 1, 1998·108 cites·28 claims
- 0396US5616024AApparatuses for heating semiconductor wafers, ceramic heaters and a process for manufacturing the same, a process for manufacturing ceramic articlesNGK INSULATORS LTD·Filed 1995·Granted Apr 1, 1997·99 cites·20 claims
- 0496US5280156AWafer heating apparatus and with ceramic substrate and dielectric layer having electrostatic chucking meansNGK INSULATORS LTD·Filed 1991·Granted Jan 18, 1994·406 cites·6 claims
- 0589US6101969APlasma-generating electrode device, an electrode-embedded article, and a method of manufacturing thereofNGK INSULATORS LTD·Filed 1998·Granted Aug 15, 2000·48 cites·5 claims
- 0686US6197246B1Plasma-generating electrode device, an electrode-embedded article, and a method of manufacturing thereofNGK INSULATORS LTD·Filed 2000·Granted Mar 6, 2001·19 cites·4 claims
- 0785US5683606ACeramic heaters and heating devices using such ceramic heatersNGK INSULATORS LTD·Filed 1994·Granted Nov 4, 1997·60 cites·19 claims
- 0873US5573690ACeramic articlesNGK INSULATORS LTD·Filed 1995·Granted Nov 12, 1996·36 cites·16 claims
- 0971US6333381B1Rubber-containing styrenic resin and process for producing the sameDAICEL CHEM·Filed 1999·Granted Dec 25, 2001·26 cites·16 claims
- 1071US4933659AVoltage non-linear resistor and method of producing the sameNGK INSULATORS LTD·Filed 1989·Granted Jun 12, 1990·16 cites·3 claims
- 1169US5767027AAluminum nitride sintered body and its production methodNGK INSULATORS LTD·Filed 1995·Granted Jun 16, 1998·24 cites·12 claims
- 1251US2010228019A1Production Process of Glucan Derivative Modified with Cyclic EsterDAICEL CHEMICAL IND LTD MAINIC·Filed 2007·Application pending·0 cites
- 1350US2010168365A1Production Process of Glucan Derivative Modified With Cyclic EsterUMEMOTO KOICHI·Filed 2007·Application pending·0 cites
- 1449US2014044950A1Crosslinked product of cyclic olefinic polymer and process for producing the sameUMEMOTO KOICHI·Filed 2012·Application pending·0 cites
- 1547US2008090984A1Glucan Derivative And Production Process ThereofNAMIKOSHI HAJIME·Filed 2005·Application pending·0 cites
- 1641US2002052447A1Rubber-containing sytrenic resin and process for producing the sameDAICEL CHEM·Filed 2001·Application pending·0 cites
- 1740US5000876AVoltage non-linear type resistorsNGK INSULATORS LTD·Filed 1988·Granted Mar 19, 1991·4 cites·9 claims
- 1830US4940960AHighly densified voltage non-linear resistor and method of manufacturing the sameNGK INSULATORS LTD·Filed 1988·Granted Jul 10, 1990·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →