Inventor · disambiguated record
Koichi Ito
Also filed as: ITO KOICHI
35 granted patents·11 pending applications·765 citations·filing 1979–2014
97Inventor score
Files withEISAI R&D MAN CO LTD18SHINETSU CHEMICAL CO8KIMURA TEIJI6EISAI CO LTD4SANWA KAGAKU KENKYUSHO CO2
Top patents by PatentIndex Score
46 records- 0198US4803243ABlock-graft copolymerSHINETSU CHEMICAL CO·Filed 1987·Granted Feb 7, 1989·372 cites·4 claims
- 0297US7667041B2Cinnamide compoundEISAI R&D MAN CO LTD·Filed 2005·Granted Feb 23, 2010·65 cites·4 claims
- 0393US7939549B21,2-dihydropyridine compounds, manufacturing method thereof and use thereofEISAI R&D MAN CO LTD·Filed 2009·Granted May 10, 2011·21 cites·6 claims
- 0493US7935815B2Imidazoyl pyridine compounds and salts thereofEISAI R&D MAN CO LTD·Filed 2008·Granted May 3, 2011·16 cites·7 claims
- 0593US7687640B2Cinnamide compoundEISAI R&D MAN CO LTD·Filed 2009·Granted Mar 30, 2010·22 cites·4 claims
- 0693US7618960B2Morpholine type cinnamide compoundEISAI R&D MAN CO LTD·Filed 2006·Granted Nov 17, 2009·32 cites·16 claims
- 0791US7923563B2Amorphous object of cinnamide compoundEISAI R&D MAN CO LTD·Filed 2005·Granted Apr 12, 2011·21 cites·4 claims
- 0890US7880009B2Cinnamide compoundEISAI R&D MAN CO LTD·Filed 2005·Granted Feb 1, 2011·14 cites·7 claims
- 0990US6949571B21,2-dihydropyridine compounds, process for preparation of the same and use thereofEISAI CO LTD·Filed 2001·Granted Sep 27, 2005·49 cites·29 claims
- 1089US7897632B2Multi-cyclic cinnamide derivativesEISAI R&D MAN CO LTD·Filed 2010·Granted Mar 1, 2011·13 cites·11 claims
- 1189US7737141B2Prodrug of cinnamide compoundEISAI R&D MAN CO LTD·Filed 2007·Granted Jun 15, 2010·16 cites·22 claims
- 1285US7973033B2Multi-cyclic cinnamide derivativesEISAI R&D MAN CO LTD·Filed 2011·Granted Jul 5, 2011·7 cites·17 claims
- 1384US7713993B2Multi-cycle cinnamide derivativesEISAI R&D MAN CO LTD·Filed 2007·Granted May 11, 2010·6 cites·15 claims
- 1483US8008293B2Bicyclic oxomorpholine derivativeEISAI R&D MAN CO LTD·Filed 2008·Granted Aug 30, 2011·5 cites·8 claims
- 1581US8048878B2Two cyclic cinnamide compoundEISAI R&D MAN CO LTD·Filed 2009·Granted Nov 1, 2011·5 cites·14 claims
- 1681US7718807B2Salt of 1,2-dihydropyridine compoundEISAI R&D MAN CO LTD·Filed 2007·Granted May 18, 2010·4 cites·5 claims
- 1781US7563811B21,2-dihydropyridine compounds, manufacturing method thereof and use thereofEISAI R&D MAN CO LTD·Filed 2005·Granted Jul 21, 2009·5 cites·9 claims
- 1877US7538123B2Indole derivative having piperidine ringEISAI R&D MAN CO LTD·Filed 2005·Granted May 26, 2009·5 cites·29 claims
- 1977US4328216ANovel organosilicon compounds and anti-tumor agents containing the sameSHINETSU CHEMICAL CO·Filed 1979·Granted May 4, 1982·9 cites·8 claims
- 2073US6825192B1Heterodiazinone derivativesEISAI CO LTD·Filed 2000·Granted Nov 30, 2004·6 cites·4 claims
- 2172US8772497B2Method for producing 1, 2-dihydropyridine-2-one compoundARIMOTO ITARU·Filed 2010·Granted Jul 8, 2014·3 cites·26 claims
- 2270US6737425B1N,N-substituted cyclic amine derivativesEISAI CO LTD·Filed 1999·Granted May 18, 2004·31 cites·16 claims
- 2364US8754100B2Nitrogen-containing fused heterocyclic compounds and their use as beta amyloid production inhibitorsKITAZAWA NORITAKA·Filed 2010·Granted Jun 17, 2014·2 cites·20 claims
- 2461US4864003ABlock-graft polymer and process for producing itSHINETSU CHEMICAL CO·Filed 1988·Granted Sep 5, 1989·13 cites·14 claims
- 2561US4560679AOrganosilicon compounds and antitumor agents containing the compound as effective componentSANWA KAGAKU KENKYUSHO CO·Filed 1983·Granted Dec 24, 1985·5 cites·22 claims
- 2660US9045426B2Method for producing 1,2-dihydropyridine-2-one compoundEISAI R&D MAN CO LTD·Filed 2014·Granted Jun 2, 2015·0 cites·20 claims
- 2756US4731424AProcess for producing polymer compound containing alkenylsilyl groupSHINETSU CHEMICAL CO·Filed 1987·Granted Mar 15, 1988·10 cites·9 claims
- 2851US9453000B2Polycyclic compoundKIMURA TEIJI·Filed 2008·Granted Sep 27, 2016·0 cites·4 claims
- 2950US2008207900A1Two cyclic oxomorphorin derivativesKIMURA TEIJI·Filed 2008·Application pending·0 cites
- 3048US2007117839A1Two cyclic cinnamide compoundEISAI R&D MAN CO LTD·Filed 2006·Application pending·0 cites
- 3148US2006189622A1Pyridazinone and triazinone compounds and use thereof as pharmaceutical preparationsNAGATO SATOSHI·Filed 2006·Application pending·0 cites
- 3247US2011086860A1CompoundKIMURA TEIJI·Filed 2010·Application pending·0 cites
- 3347US2009048448A1Salts of cynnamide compound or solvates thereofKUSHIDA IKUO·Filed 2006·Application pending·0 cites
- 3446US4278666ANovel organosilicon compounds and anti-transplanted tumor agents containing the sameSHINETSU CHEMICAL CO·Filed 1980·Granted Jul 14, 1981·3 cites·13 claims
- 3544US8110688B2Method for producing indole derivative having piperidine ringSHIMOMURA NAOYUKI·Filed 2006·Granted Feb 7, 2012·0 cites·8 claims
- 3643US2011065696A1Imidazoyl pyridine compounds and salts thereofKIMURA TEIJI·Filed 2010·Application pending·0 cites
- 3743US2010105904A1Urea type cinnamide derivativeKIMURA TEIJI·Filed 2007·Application pending·0 cites
- 3842US4267172ABis(triorganosilylalkyl) phosphitesSHINETSU CHEMICAL CO·Filed 1979·Granted May 12, 1981·3 cites·15 claims
- 3941US2008227815A1Crystal of Indole Derivative Having Piperidine Ring and Process for Production ThereofSAKAGUCHI TAKAHISA·Filed 2006·Application pending·0 cites
- 4041US2003225081A1Pyridazinones and triazinones and medicinal use thereofFiled 2001·Application pending·0 cites
- 4140US4778797AOrgano-silicon compounds, process for the manufacture of same, and anti-tumor agent comprising the compoundSANWA KAGAKU KENKYUSHO CO·Filed 1985·Granted Oct 18, 1988·2 cites·38 claims
- 4240US2009203697A1Heterocyclic type cinnamide derivativeKIMURA TEIJI·Filed 2007·Application pending·0 cites
- 4339US2008119518A11-(Piperidin-4- Yl)-1H-Indole DerivativesSUZUKI YUICHI·Filed 2006·Application pending·0 cites
- 4438US6667412B1Nitrile compoundEISAI CO LTD·Filed 2000·Granted Dec 23, 2003·0 cites·8 claims
- 4534US4349682A2-(3-Trimethylsilylpropyl)benzothiazoleSHINETSU CHEMICAL CO·Filed 1980·Granted Sep 14, 1982·0 cites·1 claims
- 4630US4336251AMedicaments containing an organosilicon compoundSHINETSU CHEMICAL CO·Filed 1980·Granted Jun 22, 1982·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Koichi Ito files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →