HA

Hirotaka Amano

WC Wakunaga Pharmaceutical Co.: 8 patents #2 of 94Top 3%
WK Wakunaga Seiyaku Kabushiki Kaisha: 3 patents #14 of 78Top 20%
Overall (All Time): #468,273 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7713997 Pyridonecarboxylic acid derivatives or salts thereof Akira Yazaki, Yasuhiro Kuramoto, Kenji Itoh, Kazusa Yoshikai, Yuzo Hirao +4 more 2010-05-11
6858625 Quinolinecarboxylic acid derivative or salts thereof Akira Yazaki, Yoshiko Niino, Yasuhiro Kuramoto, Yuzo Hirao, Yoshihiro Ohshita +1 more 2005-02-22
6586420 Quinolinecarboxylic acid derivative or its salt Akira Yazaki, Yoshiko Niino, Yasuhiro Kuramoto, Yuzo Hirao, Yoshihiro Oshita +1 more 2003-07-01
6211375 Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents containing the same as the active ingredient Akira Yazaki, Yoshiko Niino, Yoshihiro Ohshita, Norihiro Hayashi, 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, Yoshiko Niino, Yoshihiro Ohshita, Yuzo Hirao, 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, Yoshiko Niino +3 more 2000-10-24
6133284 Pyridonecarboxylic acid derivatives or their salts, and antibacterial agents containing the same as their effective components Akira Yazaki, Yoshiko Niino, Yoshihiro Ohshita, Yuzo Hirao, 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, Yoshiko Niino, Yoshihiro Ohshita, Yuzo Hirao, Norihiro Hayashi +1 more 1999-12-07
5910498 Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents comprising the same as active ingredient Akira Yazaki, Jiro Yoshida, Yoshiko Niino, Yoshihiro Ohshita, Norihiro Hayashi +2 more 1999-06-08
5654322 Biphenylmethane derivatives and pharmaceuticals containing the same Terukage Hirata, Nobuya Sakae, Koichi Tamura, Masayasu Okuhira, Masaharu Yokomoto +1 more 1997-08-05
5153203 Quinolone derivatives and salts thereof, preparation processes thereof, and antibacterial agents containing the same Takashi Yatsunami, Hitodshi Yamamoto, Yasuhiro Kuramoto, Norihiro Hayashi, Akira Yazaki +2 more 1992-10-06