Inventor · disambiguated record
Keiichi Hirai
Also filed as: HIRAI KEIICHI
5 granted patents·28 citations·filing 1993–2000
76Inventor score
Files withDAIICHI SEIYAKU CO2DAIICHI PAHARMACEUTICAL CO LTD1JAPAN SCIENCE & TECH CORP1TAHEEBO JAPAN CO LTD1
Top patents by PatentIndex Score
5 records- 0176US6395773B1Anti-drug resistant strain agents and antichlamydia agentsJAPAN SCIENCE & TECH CORP·Filed 2000·Granted May 28, 2002·15 cites·2 claims
- 0258US5663197A2-(1-hydroxyethyl)-5-hydroxynaphtho[2,3-b]furan-4,9-dione and antitumor agents comprising this compoundTAHEEBO JAPAN CO LTD·Filed 1993·Granted Sep 2, 1997·8 cites·12 claims
- 0351US5856518AProduction process of cyclic compoundDAIICHI SEIYAKU CO·Filed 1996·Granted Jan 5, 1999·4 cites·10 claims
- 0436US6013806AProduction process of cyclic compoundDAIICHI SEIYAKU CO·Filed 1998·Granted Jan 11, 2000·1 cites·7 claims
- 0525US6218548B1Production process of cyclic compoundDAIICHI PAHARMACEUTICAL CO LTD·Filed 1999·Granted Apr 17, 2001·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →