Inventor · disambiguated record
Kanemasa Katsu
Also filed as: KATSU KANEMASA
14 granted patents·44 citations·filing 1980–1996
90Inventor score
Files withEISAI CO LTD14
Top patents by PatentIndex Score
14 records- 0171US5151417A3-substituted vinyl cephalosporin derivativesEISAI CO LTD·Filed 1990·Granted Sep 29, 1992·13 cites·12 claims
- 0267US4285941ACephalosporin compounds and antibacterial drugs containing the sameEISAI CO LTD·Filed 1980·Granted Aug 25, 1981·6 cites·18 claims
- 0365US4921850A3-propenylcephem derivativeEISAI CO LTD·Filed 1987·Granted May 1, 1990·5 cites·11 claims
- 0457US4929612AThiadiazolylacetamide cephem derivativesEISAI CO LTD·Filed 1988·Granted May 29, 1990·4 cites·5 claims
- 0552US5128465AProcess for the preparation of cephem derivatives and intermediates thereforEISAI CO LTD·Filed 1990·Granted Jul 7, 1992·4 cites·3 claims
- 0649US4285939ACephalosporin derivatives, and antibacterial drugs containing the derivativesEISAI CO LTD·Filed 1980·Granted Aug 25, 1981·2 cites·6 claims
- 0748US5604217A7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparationEISAI CO LTD·Filed 1995·Granted Feb 18, 1997·2 cites·1 claims
- 0847US5089491A3-propenylcephem derivativeEISAI CO LTD·Filed 1990·Granted Feb 18, 1992·2 cites·6 claims
- 0945US5559225A7-acyl-3-(substituted carbamoyloxy) cephem compoundEISAI CO LTD·Filed 1994·Granted Sep 24, 1996·1 cites·1 claims
- 1043US5006649A3-propenylcephem derivativeEISAI CO LTD·Filed 1990·Granted Apr 9, 1991·1 cites·5 claims
- 1140US6037341ACarbapenem derivativesEISAI CO LTD·Filed 1995·Granted Mar 14, 2000·4 cites·14 claims
- 1233US5741902A7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparationEISAI CO LTD·Filed 1995·Granted Apr 21, 1998·0 cites·4 claims
- 1331US5587473A7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparationEISAI CO LTD·Filed 1996·Granted Dec 24, 1996·0 cites·4 claims
- 1431US5563265A7-acyl-3-(substituted carbamoyloxy) cephem compoundsEISAI CO LTD·Filed 1995·Granted Oct 8, 1996·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →