Inventor · disambiguated record
Keiichi Sakashita
Also filed as: SAKASHITA KEIICHI
21 granted patents·5 pending applications·291 citations·filing 1981–2017
95Inventor score
Files withMITSUBISHI RAYON CO10IBIDEN CO LTD4MITSUBISHI CHEM CORP3KANBARA TOSHIMASA2NAKAYA FUMINORI2
Top patents by PatentIndex Score
26 records- 0185US10087075B2Partially cyclized polyacrylonitrile polymer, polyacrylonitrile flame-resistant polymer, polyacrylonitrile flame-resistant fiber, carbon fiber, and preparation methods thereofMITSUBISHI CHEM CORP·Filed 2015·Granted Oct 2, 2018·2 cites·25 claims
- 0285US6251498B1Soundproof heat shield member for exhaust manifoldIBIDEN CO LTD·Filed 1994·Granted Jun 26, 2001·49 cites·3 claims
- 0385US4925591AMesomorphic compound having β-hydroxycarboxyl group as chiral source and liquid crystal compositionMITSUBISHI RAYON CO·Filed 1988·Granted May 15, 1990·44 cites·2 claims
- 0483US5992560AMuffler for internal combustion engineIBIDEN CO LTD·Filed 1996·Granted Nov 30, 1999·60 cites·6 claims
- 0582US9534065B2Molding material and moldingNAKAYA FUMINORI·Filed 2012·Granted Jan 3, 2017·6 cites·7 claims
- 0677US5862590AMethod of manufacturing catalytic converter for the purification of exhaust gasIBIDEN CO LTD·Filed 1997·Granted Jan 26, 1999·47 cites·3 claims
- 0771US8912287B2Method for producing polymer using monomer having piperidine skeleton, and molded bodyNAKAYA FUMINORI·Filed 2010·Granted Dec 16, 2014·2 cites·5 claims
- 0869US7512309B2Polymer composition, plastic optical fiber, plastic optical fiber cable, and method for manufacturing plastic optical fiberMITSUBISHI RAYON CO·Filed 2005·Granted Mar 31, 2009·7 cites·14 claims
- 0966US5232973AHigh-temperature gasketTOYOTA MOTOR CO LTD·Filed 1992·Granted Aug 3, 1993·19 cites·7 claims
- 1061US2017233502A1Novel chain transfer agent and emulsion polymerization using the sameMITSUBISHI CHEM CORP·Filed 2017·Application pending·0 cites
- 1159US9676888B2Chain transfer agent and emulsion polymerization using the sameMITSUBISHI CHEM CORP·Filed 2016·Granted Jun 13, 2017·0 cites·2 claims
- 1259US4421855AProduction of acrylamide using immobilized cellsNITTO CHEMICAL INDUSTRY CO LTD·Filed 1981·Granted Dec 20, 1983·10 cites·9 claims
- 1358US5480580AOptically active compound having a δ-valerolactone ring and liquid crystal composition containing sameMITSUBISHI RAYON CO·Filed 1995·Granted Jan 2, 1996·17 cites·6 claims
- 1454US5045228AOptically active compound having XI-valerolactone ring and liquid crystal composition comprising sameMITSUBISHI RAYON CO·Filed 1990·Granted Sep 3, 1991·5 cites·2 claims
- 1548US9452978B2Chain transfer agent and emulsion polymerization using the sameNODA TETSUYA·Filed 2011·Granted Sep 27, 2016·0 cites·12 claims
- 1648US2008236115A1Honeycomb filter and exhaust gas purification deviceIBIDEN CO LTD·Filed 2008·Application pending·0 cites
- 1746US5773240AOptically active α-substituted carboxylic acid derivatives and method for producing the sameMITSUBISHI RAYON CO·Filed 1995·Granted Jun 30, 1998·3 cites·10 claims
- 1846US5215897AProcess for producing L-amino acidsNITTO CHEMICAL INDUSTRY CO LTD·Filed 1990·Granted Jun 1, 1993·11 cites·10 claims
- 1942US5164113AOptical active compound and liquid crystal compositionMITSUBISHI RAYON CO·Filed 1990·Granted Nov 17, 1992·2 cites·3 claims
- 2041US2012008095A1Projection display device and speaker deviceSAKASHITA KEIICHI·Filed 2011·Application pending·0 cites
- 2137US5149462AOptically active compoundMITSUBISHI RAYON CO·Filed 1990·Granted Sep 22, 1992·4 cites·1 claims
- 2236US5455174AProcess for the stereoselective esterification of ascorbic or erythorbic acids with long-chained enol estersMITSUBISHI RAYON CO·Filed 1993·Granted Oct 3, 1995·1 cites·6 claims
- 2335US2011279786A1Projection display deviceKANBARA TOSHIMASA·Filed 2011·Application pending·0 cites
- 2434US2011279785A1Projection display deviceKANBARA TOSHIMASA·Filed 2011·Application pending·0 cites
- 2532US5124069AOptically active substance and liquid crystal composition comprising sameMITSUBISHI RAYON CO·Filed 1990·Granted Jun 23, 1992·2 cites·2 claims
- 2625US5098599AOptically active compound and liquid crystal compositionMITSUBISHI RAYON CO·Filed 1991·Granted Mar 24, 1992·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →