YK

Yasuhiro Kuramoto

WC Wakunaga Pharmaceutical Co.: 8 patents #2 of 94Top 3%
WK Wakunaga Seiyaku Kabushiki Kaisha: 6 patents #6 of 78Top 8%
FC Fujisawa Pharmaceutical Co.: 2 patents #307 of 782Top 40%
L( Lederle (Japan): 2 patents #16 of 49Top 35%
📍 Niiza, JP: #35 of 316 inventorsTop 15%
Overall (All Time): #294,701 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10532984 Pyridonecarboxylic acid derivative or salt thereof Tomohiko Kinoshita, Satoshi Inoue, Kouji Nishimura, Tatsuya Hirano, Mai Arai +3 more 2020-01-14
7713997 Pyridonecarboxylic acid derivatives or salts thereof Akira Yazaki, Kenji Itoh, Kazusa Yoshikai, Yuzo Hirao, Yoshihiro Ohshita +4 more 2010-05-11
6858625 Quinolinecarboxylic acid derivative or salts thereof Akira Yazaki, Yoshiko Niino, Yuzo Hirao, Yoshihiro Ohshita, Norihiro Hayashi +1 more 2005-02-22
6586420 Quinolinecarboxylic acid derivative or its salt Akira Yazaki, Yoshiko Niino, Yuzo Hirao, Yoshihiro Oshita, Norihiro Hayashi +1 more 2003-07-01
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, Hirotaka Amano +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, Jiro Yoshida, Yoshiko Niino, 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, Yoshiko Niino, Yoshihiro Ohshita, Yuzo Hirao, Hirotaka Amano +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, Hirotaka Amano +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
5407932 Quinolone derivatives and antibacterial agents containing the same Masayasu Okuhira, Takashi Yatsunami 1995-04-18
5399553 Tricyclic compound or salts thereof, method for producing the same and anti-microbial agent containing the same Masaharu Yokomoto, Akira Yazaki, Norihiro Hayashi, Shunso Hatono, Satoshi Inoue 1995-03-21
5254685 Tricyclic compound or salts thereof, method for producing the same and antimicrobial agent containing the same Masaharu Yokomoto, Akira Yazaki, Norihiro Hayashi, Shunso Hatono, Satoshi Inoue 1993-10-19
5245037 Quinolone derivatives and antibacterial agents containing the same Masayasu Okuhira, Takashi Yatsunami 1993-09-14
5153203 Quinolone derivatives and salts thereof, preparation processes thereof, and antibacterial agents containing the same Takashi Yatsunami, Hitodshi Yamamoto, Norihiro Hayashi, Akira Yazaki, Satoshi Inoue +2 more 1992-10-06
4977256 Method of eliminating protective groups Sakae Aoyagi, Takaaki Hayashi 1990-12-11
4918184 Azetidin-2-one derivatives, and process for production thereof using tin enolates Yoshimitsu Nagao, Toshio Kumagai, Satoshi Tamai, Hisashi Shimidzu 1990-04-17