Inventor
YAZAKI AKIRA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “YAZAKI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WAKUNAGA PHARMA CO LTD
10 patentsUS6156903ADec 5, 2000
Pyridonecarboxylic acid derivatives or their salts, and antibacterial agents containing the same as their effective components
WAKUNAGA PHARMA CO LTD30 citations91
US6133284AOct 17, 2000
Pyridonecarboxylic acid derivatives or their salts, and antibacterial agents containing the same as their effective components
WAKUNAGA PHARMA CO LTD30 citations91
US5359066AOct 25, 1994
Certain tricyclic pyrido[3,2,1-ij]cinnoline-8-carboxylates, useful as antimicrobial agents
WAKUNAGA PHARMA CO LTD8 citations73
US6136823AOct 24, 2000
Pyridonecarboxylic acid derivatives or salts thereof and drugs containing the same as the active ingredient
WAKUNAGA PHARMA CO LTD12 citations72
US6586420B1Jul 1, 2003
Quinolinecarboxylic acid derivative or its salt
WAKUNAGA PHARMA CO LTD4 citations61
US6211375B1Apr 3, 2001
Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents containing the same as the active ingredient
WAKUNAGA PHARMA CO LTD4 citations59
US6858625B1Feb 22, 2005
Quinolinecarboxylic acid derivative or salts thereof
WAKUNAGA PHARMA CO LTD1 citations51
US5994575ANov 30, 1999
Phenylenediamines and process for preparing the same
WAKUNAGA PHARMA CO LTD0 citations51
US7713997B2May 11, 2010
Pyridonecarboxylic acid derivatives or salts thereof
WAKUNAGA PHARMA CO LTD0 citations45
US11286255B2Mar 29, 2022
Pyridone carboxylic acid derivative or salt thereof
WAKUNAGA PHARMA CO LTD0 citations44
WAKUNAGA SEIYAKU KK
9 patentsUS5910498AJun 8, 1999
Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents comprising the same as active ingredient
WAKUNAGA SEIYAKU KK30 citations92
US5026856AJun 25, 1991
Isoindoline derivative
WAKUNAGA SEIYAKU KK26 citations90
US4793948ADec 27, 1988
Bile acid derivatives and production thereof
WAKUNAGA SEIYAKU KK33 citations90
US5153203AOct 6, 1992
Quinolone derivatives and salts thereof, preparation processes thereof, and antibacterial agents containing the same
WAKUNAGA SEIYAKU KK21 citations79
US5399553AMar 21, 1995
Tricyclic compound or salts thereof, method for producing the same and anti-microbial agent containing the same
WAKUNAGA SEIYAKU KK12 citations72
US5254685AOct 19, 1993
Tricyclic compound or salts thereof, method for producing the same and antimicrobial agent containing the same
WAKUNAGA SEIYAKU KK14 citations72
US5412098AMay 2, 1995
Quinolone derivative or salt thereof and antibacterial containing the same
WAKUNAGA SEIYAKU KK15 citations67
US4876281AOct 24, 1989
Antifungal agents
WAKUNAGA SEIYAKU KK14 citations67
US4810422AMar 7, 1989
Bile acid derivatives, their salts and production thereof
WAKUNAGA SEIYAKU KK2 citations59