Inventor · disambiguated record
Hirotaka Amano
Also filed as: AMANO HIROTAKA
11 granted patents·224 citations·filing 1990–2005
91Inventor score
Top patents by PatentIndex Score
11 records- 0186US6133284APyridonecarboxylic acid derivatives or their salts, and antibacterial agents containing the same as their effective componentsWAKUNAGA PHARMA CO LTD·Filed 1999·Granted Oct 17, 2000·30 cites·3 claims
- 0286US5998436APyridonecarboxylic acid derivatives or their salts and antibacterial agent comprising the same as the active ingredientWAKUNAGA PHARMACEUTICALS CO LT·Filed 1996·Granted Dec 7, 1999·44 cites·11 claims
- 0385US6156903APyridonecarboxylic acid derivatives or their salts, and antibacterial agents containing the same as their effective componentsWAKUNAGA PHARMA CO LTD·Filed 1999·Granted Dec 5, 2000·30 cites·5 claims
- 0485US5654322ABiphenylmethane derivatives and pharmaceuticals containing the sameWAKUNAGA SEIYAKU KK·Filed 1995·Granted Aug 5, 1997·48 cites·13 claims
- 0576US5153203AQuinolone derivatives and salts thereof, preparation processes thereof, and antibacterial agents containing the sameWAKUNAGA SEIYAKU KK·Filed 1990·Granted Oct 6, 1992·21 cites·6 claims
- 0673US5910498APyridonecarboxylic acid derivatives or salts thereof and antibacterial agents comprising the same as active ingredientWAKUNAGA SEIYAKU KK·Filed 1995·Granted Jun 8, 1999·30 cites·12 claims
- 0768US6586420B1Quinolinecarboxylic acid derivative or its saltWAKUNAGA PHARMA CO LTD·Filed 2000·Granted Jul 1, 2003·4 cites·15 claims
- 0861US6858625B1Quinolinecarboxylic acid derivative or salts thereofWAKUNAGA PHARMA CO LTD·Filed 2000·Granted Feb 22, 2005·1 cites·10 claims
- 0953US6136823APyridonecarboxylic acid derivatives or salts thereof and drugs containing the same as the active ingredientWAKUNAGA PHARMA CO LTD·Filed 1997·Granted Oct 24, 2000·12 cites·3 claims
- 1047US6211375B1Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents containing the same as the active ingredientWAKUNAGA PHARMA CO LTD·Filed 1997·Granted Apr 3, 2001·4 cites·5 claims
- 1139US7713997B2Pyridonecarboxylic acid derivatives or salts thereofWAKUNAGA PHARMA CO LTD·Filed 2005·Granted May 11, 2010·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Hirotaka Amano 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 →