Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8450550 | Process and apparatus for producing propylene | Hirofumi Ito, Shuichi Funatsu, Koji Ooyama, Nobuyasu Chikamatsu | 2013-05-28 |
| 6136823 | Pyridonecarboxylic acid derivatives or salts thereof and drugs containing the same as the active ingredient | Nobuya Sakae, Akira Yazaki, Yasuhiro Kuramoto, Yoshiko Niino, Yoshihiro Ohshita +3 more | 2000-10-24 |
| 5994575 | Phenylenediamines and process for preparing the same | Akira Yazaki, Yoshiko Niino | 1999-11-30 |
| 5910498 | Pyridonecarboxylic acid derivatives or salts thereof and antibacterial agents comprising the same as active ingredient | Akira Yazaki, Yoshiko Niino, Yoshihiro Ohshita, Norihiro Hayashi, Hirotaka Amano +2 more | 1999-06-08 |