YN

Yoshiko Niino

WC Wakunaga Pharmaceutical Co.: 8 patents #2 of 94Top 3%
WK Wakunaga Seiyaku Kabushiki Kaisha: 1 patents #36 of 78Top 50%
Overall (All Time): #585,824 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6858625 Quinolinecarboxylic acid derivative or salts thereof Akira Yazaki, Yasuhiro Kuramoto, Yuzo Hirao, Yoshihiro Ohshita, Norihiro Hayashi +1 more 2005-02-22
6586420 Quinolinecarboxylic acid derivative or its salt Akira Yazaki, Yasuhiro Kuramoto, Yuzo Hirao, Yoshihiro Oshita, Norihiro Hayashi +1 more 2003-07-01
6211375 Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents containing the same as the active ingredient Akira Yazaki, Yoshihiro Ohshita, Norihiro Hayashi, Hirotaka Amano, Yuzo Hirao +1 more 2001-04-03
6156903 Pyridonecarboxylic acid derivatives or their salts, and antibacterial agents containing the same as their effective components Akira Yazaki, Yoshihiro Ohshita, Yuzo Hirao, Hirotaka Amano, Norihiro Hayashi +1 more 2000-12-05
6136823 Pyridonecarboxylic acid derivatives or salts thereof and drugs containing the same as the active ingredient Nobuya Sakae, Akira Yazaki, Yasuhiro Kuramoto, Jiro Yoshida, Yoshihiro Ohshita +3 more 2000-10-24
6133284 Pyridonecarboxylic acid derivatives or their salts, and antibacterial agents containing the same as their effective components Akira Yazaki, Yoshihiro Ohshita, Yuzo Hirao, Hirotaka Amano, Norihiro Hayashi +1 more 2000-10-17
5998436 Pyridonecarboxylic acid derivatives or their salts and antibacterial agent comprising the same as the active ingredient Akira Yazaki, Yoshihiro Ohshita, Yuzo Hirao, Hirotaka Amano, Norihiro Hayashi +1 more 1999-12-07
5994575 Phenylenediamines and process for preparing the same Akira Yazaki, Jiro Yoshida 1999-11-30
5910498 Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents comprising the same as active ingredient Akira Yazaki, Jiro Yoshida, Yoshihiro Ohshita, Norihiro Hayashi, Hirotaka Amano +2 more 1999-06-08