Inventor · disambiguated record
Yasushi Okamoto
Also filed as: OKAMOTO YASUSHI
15 granted patents·1 pending application·184 citations·filing 1989–2003
93Inventor score
Top patents by PatentIndex Score
16 records- 0193US5385942AQuinone derivatives and pharmacological useEISAI CO LTD·Filed 1993·Granted Jan 31, 1995·48 cites·19 claims
- 0293US5210239AOuinone derivatives and pharmacological useEISAI CO LTD·Filed 1990·Granted May 11, 1993·49 cites·26 claims
- 0386US6358995B1Carboxylic acid derivatives having fused ringsEISAI CO LTD·Filed 2000·Granted Mar 19, 2002·20 cites·7 claims
- 0478US6916837B2Amidino derivatives and anticoagulants and thrombosis therapeutic agents containing themEISAI CO LTD·Filed 2002·Granted Jul 12, 2005·11 cites·16 claims
- 0569US6110959ACarboxylic acid derivatives having fused ringsEISAI CO LTD·Filed 1999·Granted Aug 29, 2000·19 cites·3 claims
- 0660US6121309AFused-ring carboxylic acid derivativesEISAI CO LTD·Filed 1997·Granted Sep 19, 2000·13 cites·5 claims
- 0758US5004735APharmaceutical compositions for the inhibition of tumor metastasisNISSHIN FLOUR MILLING CO·Filed 1989·Granted Apr 2, 1991·9 cites·8 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
- 1050US5635519ABenzothiazole compounds which are substituted by pyridymethylEISAI CO LTD·Filed 1995·Granted Jun 3, 1997·3 cites·20 claims
- 1150US2006051314A1Drug for prevention and/or treatment of constipation and sympton caused by constipationKATO HIDEO·Filed 2003·Application pending·0 cites
- 1242US5300518APyridyl substituted benzothiazole compounds which have useful pharmaceutical utilityEISAI CO LTD·Filed 1992·Granted Apr 5, 1994·1 cites·25 claims
- 1339US5329010AQuinone derivativesEISAI CO LTD·Filed 1992·Granted Jul 12, 1994·3 cites·28 claims
- 1439US5306714A(S)-2,3-dihydropolyprenyl, monophosphate, and agents for inhibiting the metastasis of cancersNISSHIN FLOUR MILLING CO·Filed 1993·Granted Apr 26, 1994·1 cites·2 claims
- 1535US5420144APyridyl substituted benzothiazole compounds which have useful pharmaceutical utilityEISAI CO LTD·Filed 1993·Granted May 30, 1995·0 cites·18 claims
- 1626US5527948ANaphthalene derivativeEISAI CORP LTD·Filed 1995·Granted Jun 18, 1996·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Yasushi Okamoto 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 →