Inventor · disambiguated record
Issei Ohtsuka
Also filed as: OHTSUKA ISSEI
7 granted patents·131 citations·filing 1983–1994
85Inventor score
Files withEISAI CO LTD7
Top patents by PatentIndex Score
7 records- 0192US5719303APhosphonic acid derivativesEISAI CO LTD·Filed 1994·Granted Feb 17, 1998·70 cites·21 claims
- 0287US4540704ATreating complications of diabetes mellitus with hydantoin derivativesEISAI CO LTD·Filed 1983·Granted Sep 10, 1985·31 cites·11 claims
- 0375US4874869AHydantoin derivatives and medicines containing the sameEISAI CO LTD·Filed 1987·Granted Oct 17, 1989·17 cites·1 claims
- 0459US5453524APhosphorus-containing isoprenoid derivativesEISAI CO LTD·Filed 1992·Granted Sep 26, 1995·8 cites·8 claims
- 0550US4780472AHydantoin derivatives for treating complications of diabetesEISAI CO LTD·Filed 1987·Granted Oct 25, 1988·4 cites·5 claims
- 0632US5462958ABenzene derivatives and method of treating arteriosclerosis with benzene derivativesEISAI CO LTD·Filed 1993·Granted Oct 31, 1995·1 cites·7 claims
- 0729US5668136ATrisubstituted benzene derivatives, composition and methods of treatmentEISAI CO LTD·Filed 1991·Granted Sep 16, 1997·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →