Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937335 | Oxa(thia)zolidine derivatives | Keiichi Ishimitsu, Tomio Yamada, Michihiko Matsuda, Yukio Kitagawa | 1990-06-26 |
| 4882431 | Oxa(thia)zolidine derivatives | Keiichi Ishimitsu, Tomio Yamada, Michihiko Matsuda, Yukio Kitagawa | 1989-11-21 |