Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968980 | 1,3-dialkylurea derivative | Yoichi Kawashima, Ken-ichi Fujimura, Hiroshi Suhara, Noriyoshi Yamamoto, Hiromi Matsumoto +1 more | 1999-10-19 |
| 5891912 | 1,3-dialkylurea derivatives having a hydroxyl group | Yoichi Kawashima, Ken-ichi Fujimura, Hiroshi Suhara, Nobuaki Miyawaki | 1999-04-06 |