Inventor · disambiguated record
Kouichi Katayama
Also filed as: KATAYAMA KOUICHI
21 granted patents·259 citations·filing 1982–1995
94Inventor score
Top patents by PatentIndex Score
21 records- 0196US4613593ATherapeutic and preventive agent containing dolicholEISAI CO LTD·Filed 1984·Granted Sep 23, 1986·124 cites·4 claims
- 0288US4397951AElastase-containing composition permitting elastase to be absorbed in increased amountEISAI CO LTD·Filed 1982·Granted Aug 9, 1983·39 cites·7 claims
- 0379US4636381ACoated ubidecarenone-containing liposomeEISAI CO LTD·Filed 1983·Granted Jan 13, 1987·48 cites·2 claims
- 0469US5382579ATriazolo-1,4-diazepine derivatives and their use in pharmaceuticalsEISAI CO LTD·Filed 1991·Granted Jan 17, 1995·9 cites·21 claims
- 0568US5409909A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1994·Granted Apr 25, 1995·9 cites·12 claims
- 0657US5273985AGlycerin derivative and its pharmacological useEISAI CO LTD·Filed 1991·Granted Dec 28, 1993·4 cites·15 claims
- 0756US5221671ATriazolo-1,4-diazepine derivatives and their use in pharmaceuticalsEISAI CO LTD·Filed 1991·Granted Jun 22, 1993·4 cites·15 claims
- 0855US5298649ANaphthalene derivativeEISAI CO LTD·Filed 1991·Granted Mar 29, 1994·4 cites·22 claims
- 0955US5134111ANaphthalene derivativeEISAI CO LTD·Filed 1989·Granted Jul 28, 1992·3 cites·6 claims
- 1041US5482937A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1994·Granted Jan 9, 1996·1 cites·16 claims
- 1140US5037827AGlycerin derivative and its pharmacological useEISAI CO LTD·Filed 1989·Granted Aug 6, 1991·2 cites·30 claims
- 1240US4791105ATherapeutic and preventive agent containing dolicholEISAI CO LTD·Filed 1984·Granted Dec 13, 1988·6 cites·4 claims
- 1337US4599328ATherapeutic and preventive agent containing dolicholEISAI CO LTD·Filed 1984·Granted Jul 8, 1986·4 cites·4 claims
- 1436US5476863AGlycerin derivative and its pharmacological useEISAI CO LTD·Filed 1993·Granted Dec 19, 1995·0 cites·5 claims
- 1536US5476864AGlycerin derivative and its pharmacological useEISAI CO LTD·Filed 1993·Granted Dec 19, 1995·0 cites·12 claims
- 1634US5438045A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1993·Granted Aug 1, 1995·0 cites·12 claims
- 1734US5304553A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1993·Granted Apr 19, 1994·1 cites·17 claims
- 1831US5468740A1,4-diazepine derivative and its pharmaceutical useEISAI CO LTD·Filed 1995·Granted Nov 21, 1995·0 cites·13 claims
- 1931US4833160A3-(3,5-di-tert-butyl-4-hydroxy benzylidene)-2-pyrrolidone and substituted derivatives thereofEISAI CO LTD·Filed 1986·Granted May 23, 1989·0 cites·20 claims
- 2031US4603126ATherapeutic and preventive agent containing dolicholEISAI CO LTD·Filed 1984·Granted Jul 29, 1986·1 cites·5 claims
- 2126US5527948ANaphthalene derivativeEISAI CORP LTD·Filed 1995·Granted Jun 18, 1996·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →