Inventor · disambiguated record
Kunio Atsumi
Also filed as: ATSUMI KUNIO
32 granted patents·1 pending application·218 citations·filing 1982–2008
96Inventor score
Top patents by PatentIndex Score
33 records- 0194US7553989B2Malonic acid monoesters and process for producing the sameMEIJI SEIKA KAISHA·Filed 2003·Granted Jun 30, 2009·53 cites·2 claims
- 0282US4839350ACephalosporin compounds and the production thereofMEIJI SEIKA KAISHA·Filed 1987·Granted Jun 13, 1989·32 cites·14 claims
- 0377US6825187B2Carbapenem derivatives of quarternary salt typeMEIJI SEIKA KAISHA·Filed 2001·Granted Nov 30, 2004·12 cites·13 claims
- 0475US5061702ACephem compound as an antimicrobial agentMEIJI SEIKA CO·Filed 1989·Granted Oct 29, 1991·20 cites·4 claims
- 0570US4988686ACephem compounds and anti-bacterial agentMEIJI SEIKA CO·Filed 1989·Granted Jan 29, 1991·9 cites·2 claims
- 0668US6677331B2Carbapenem derivativesMEIJI SEIKA KAISHA·Filed 2002·Granted Jan 13, 2004·4 cites·24 claims
- 0768US5661144ACephem derivatives with 3-substituted bis heterocyclesMEIJI SEIKA CO·Filed 1995·Granted Aug 26, 1997·14 cites·8 claims
- 0866US7563901B2Intermediates of 2-substituted carbapenem derivatives and process for production thereofMEIJI SEIKA KAISHA·Filed 2008·Granted Jul 21, 2009·0 cites·4 claims
- 0961US6908913B2Carbapenem derivativesMEIJI SEIKA KAISHA·Filed 2001·Granted Jun 21, 2005·1 cites·9 claims
- 1059US4918068ACephem compoundsMEIJI SEIKA KAISHA·Filed 1987·Granted Apr 17, 1990·10 cites·9 claims
- 1155US2009082571A1Intermediates of 2-substituted carbapenem derivatives and process for production thereofSASAKI TOSHIRO·Filed 2008·Application pending·0 cites
- 1253US5827845ACephalosporin derivativeMEIJI SEIKA KAISHA·Filed 1994·Granted Oct 27, 1998·10 cites·8 claims
- 1352US7524951B2Intermediates of 2-substituted carbapenem derivatives and process for production thereofMEIJI SEIKA KAISHA·Filed 2003·Granted Apr 28, 2009·0 cites·29 claims
- 1451US6242437B1Cephem derivativesMEIJI SEIKA KAISHA·Filed 1997·Granted Jun 5, 2001·5 cites·13 claims
- 1550US7662841B2Imidazothiazole derivatives and process for producing the sameMEIJI SEIKA KAISHA·Filed 2006·Granted Feb 16, 2010·0 cites·14 claims
- 1650US7482445B2Crystalline carbapenem intermediateMEIJI SEIKA KAISHA·Filed 2004·Granted Jan 27, 2009·0 cites·21 claims
- 1749US4485235AProcess for preparing 7-α-methoxycephem compoundsMEIJI SEIKA KAISHA·Filed 1982·Granted Nov 27, 1984·4 cites·3 claims
- 1848US6458780B1Carbapenem derivativesMEIJI SEIKA KAISHA·Filed 1999·Granted Oct 1, 2002·7 cites·2 claims
- 1947US5232947AOxamic acid compounds and pharmaceutical composition for use in improvement of damaged cerebral functions of brainMEIJI SEIKA KAISHA·Filed 1991·Granted Aug 3, 1993·14 cites·3 claims
- 2045US5990101ACarbapenem derivativesMEIJI SEIKA CO·Filed 1996·Granted Nov 23, 1999·4 cites·14 claims
- 2144US7365174B2Azalide and azalactam derivatives and method for producing the sameMEIJI SEIKA KAISHA·Filed 2004·Granted Apr 29, 2008·0 cites·41 claims
- 2243US6310056B1Carbapenem derivativesMEIJI SEIKA KAISHA·Filed 1998·Granted Oct 30, 2001·6 cites·29 claims
- 2342US6180622B1Imidazo[5,1-b]thiazol-3-yl carbapenem antimicrobialsMEIJI SEIKA KAISHA·Filed 1997·Granted Jan 30, 2001·5 cites·12 claims
- 2441US4971961ACephalosporin compounds and antibacterial agentsMEIJI SEIKA KAISHA·Filed 1988·Granted Nov 20, 1990·3 cites·12 claims
- 2537US6680313B2Carbapenum derivativesMEIJI SEIKA KAISHA·Filed 2001·Granted Jan 20, 2004·0 cites·11 claims
- 2637US5075299ACephalosporin compounds and antibacterial agentsMEIJI SEIKA KAISHA·Filed 1989·Granted Dec 24, 1991·3 cites·15 claims
- 2736US5663162ACephem derivativesMEIJI SEIKA CO·Filed 1994·Granted Sep 2, 1997·1 cites·21 claims
- 2830US4560750ACephem compounds and process for preparing the sameMEIJI SEIKA KAISHA·Filed 1982·Granted Dec 24, 1985·1 cites·7 claims
- 2929US4950660ABeta-lactam compound and process for production thereofMEIJI SEIKA CO·Filed 1988·Granted Aug 21, 1990·0 cites·6 claims
- 3028US5883089ACephem derivativesMEIJI SEIKA CO·Filed 1996·Granted Mar 16, 1999·0 cites·11 claims
- 3128US5132454AOxamic acid compounds and pharmaceutical compositions for use in improvement of damaged cerebral functions of brainMEIJI SEIKA KAISHA·Filed 1991·Granted Jul 21, 1992·0 cites·3 claims
- 3228US5066677ANovel oxamic acid compounds and pharmaceutical composition for use in improvement of damaged cerebral functions of brainMEIJI SEIKA KAISHA·Filed 1990·Granted Nov 19, 1991·0 cites·3 claims
- 3323US4791197ACephalosporin compoundsSAKAGAMI KENJI·Filed 1985·Granted Dec 13, 1988·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →