Inventor · disambiguated record
Hiroki Ishihara
Also filed as: ISHIHARA HIROKI
14 granted patents·1 pending application·407 citations·filing 1990–2006
94Inventor score
Top patents by PatentIndex Score
15 records- 0197US5716993AAnthranilic acid derivativesEISAI CO LTD·Filed 1994·Granted Feb 10, 1998·116 cites·7 claims
- 0295US5614627AQuinazoline compoundsEISAI CO LTD·Filed 1994·Granted Mar 25, 1997·92 cites·3 claims
- 0391US5849741AFused pyridazine compoundsEISAI CO LTD·Filed 1995·Granted Dec 15, 1998·50 cites·5 claims
- 0489US5707998ANitrogen-containing fused-heterocycle compoundsEISAI CO LTD·Filed 1994·Granted Jan 13, 1998·40 cites·4 claims
- 0580US6784192B2Piperidine compound and pharmaceutical composition thereofEISAI CO LTD·Filed 2001·Granted Aug 31, 2004·19 cites·26 claims
- 0677US7538123B2Indole derivative having piperidine ringEISAI R&D MAN CO LTD·Filed 2005·Granted May 26, 2009·5 cites·29 claims
- 0777US6699870B2Phthalazine compounds and therapeutic agents for erectile dysfunctionEISAI CO LTD·Filed 2002·Granted Mar 2, 2004·9 cites·8 claims
- 0874US5506238ABiphenylmethane derivative and pharmacological useEISAI CO LTD·Filed 1992·Granted Apr 9, 1996·12 cites·4 claims
- 0972US5298518ABiphenylmethane derivative and pharmacological useEISAI CO LTD·Filed 1992·Granted Mar 29, 1994·12 cites·10 claims
- 1071US6218392B1Fused pyridazine compoundsEISAI CO LTD·Filed 1998·Granted Apr 17, 2001·14 cites·6 claims
- 1165US5444083APyrrolidine compound and pharmaceutical useEISAI CO LTD·Filed 1990·Granted Aug 22, 1995·10 cites·15 claims
- 1260US6288064B1Remedy for erection failure comprising fused pyridazine compoundEISAI CO LTD·Filed 1997·Granted Sep 11, 2001·20 cites·12 claims
- 1344US6498159B1Phthalazine derivatives and remedies for erectile dysfunctionEISAI CO LTD·Filed 1999·Granted Dec 24, 2002·5 cites·20 claims
- 1439US5328911ABiphenylmethane derivative and pharmacological useEISAI CO LTD·Filed 1990·Granted Jul 12, 1994·3 cites·9 claims
- 1539US2008119518A11-(Piperidin-4- Yl)-1H-Indole DerivativesSUZUKI YUICHI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →