Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792861 | Process for the production of 4-substituted azetidinone derivative | Tamio Hara, Yuuki Nakagawa, Nobuo Matsui | 1998-08-11 |
| 5739078 | Fluoran compounds, intermediates and color forming recording materials | Mitsuhiro Yanagita, Takehiro Sato, Tomoya Hidaka, Toru Kawabe, Mamoru Aizawa +2 more | 1998-04-14 |
| 5228898 | Substituted bicycloheptandione derivatives | Akiyoshi Ueda, Hiroyuki Adachi, Toshio Aihara, Kazuyuki Tomida, Hideki Yamagishi +1 more | 1993-07-20 |
| 4352752 | Process for the preparation of dipeptides | Iwao Ojima | 1982-10-05 |