Inventor · disambiguated record
Yasuhiro Kuramoto
Also filed as: KURAMOTO YASUHIRO
16 granted patents·240 citations·filing 1987–2017
94Inventor score
Files withWAKUNAGA PHARMA CO LTD7WAKUNAGA SEIYAKU KK6LEDERLE JAPAN LTD2WAKUNAGA PHARMACEUTICALS CO LT1
Top patents by PatentIndex Score
16 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
- 0478US5245037AQuinolone derivatives and antibacterial agents containing the sameWAKUNAGA SEIYAKU KK·Filed 1990·Granted Sep 14, 1993·23 cites·4 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
- 0771US5254685ATricyclic compound or salts thereof, method for producing the same and antimicrobial agent containing the sameWAKUNAGA SEIYAKU KK·Filed 1991·Granted Oct 19, 1993·14 cites·4 claims
- 0868US6586420B1Quinolinecarboxylic acid derivative or its saltWAKUNAGA PHARMA CO LTD·Filed 2000·Granted Jul 1, 2003·4 cites·15 claims
- 0968US5399553ATricyclic compound or salts thereof, method for producing the same and anti-microbial agent containing the sameWAKUNAGA SEIYAKU KK·Filed 1993·Granted Mar 21, 1995·12 cites·5 claims
- 1068US4918184AAzetidin-2-one derivatives, and process for production thereof using tin enolatesLEDERLE JAPAN LTD·Filed 1987·Granted Apr 17, 1990·9 cites·10 claims
- 1161US6858625B1Quinolinecarboxylic acid derivative or salts thereofWAKUNAGA PHARMA CO LTD·Filed 2000·Granted Feb 22, 2005·1 cites·10 claims
- 1259US5407932AQuinolone derivatives and antibacterial agents containing the sameWAKUNAGA SEIYAKU KK·Filed 1993·Granted Apr 18, 1995·8 cites·11 claims
- 1353US6136823APyridonecarboxylic 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
- 1443US4977256AMethod of eliminating protective groupsLEDERLE JAPAN LTD·Filed 1988·Granted Dec 11, 1990·2 cites·13 claims
- 1539US7713997B2Pyridonecarboxylic acid derivatives or salts thereofWAKUNAGA PHARMA CO LTD·Filed 2005·Granted May 11, 2010·0 cites·16 claims
- 1636US10532984B2Pyridonecarboxylic acid derivative or salt thereofWAKUNAGA PHARMA CO LTD·Filed 2017·Granted Jan 14, 2020·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →