Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384065 | Spiro compounds or salts thereof and preventives/remedies for autoimmune diseases and AP-1 inhibitors containing the same | Hisaaki Chaki, Yukihiko Aikawa, Morihiro Nishio, Hiroshi Kuroda, Keiichi Tanaka +2 more | 2002-05-07 |
| 4990508 | Pyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the same | Hirokazu Narita, Yozo Todo, Jun Nitta, Hiroyasu Takagi, Fumihiko Iino +2 more | 1991-02-05 |
| 4851535 | Nicotinic acid derivatives | Yozo Todo, Tetsuo Yamafuji, Katsuyuki Nagumo, Isao Kitayama, Hideyoshi Nagaki +4 more | 1989-07-25 |
| 4704459 | Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediates | Yozo Todo, Tetsuo Yamafuji, Katsuyuki Nagumo, Isao Kitayama, Hideyoshi Nagaki +4 more | 1987-11-03 |