Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041636 | Urea derivatives | Yoshitsugu Sakata, Kazunari Hashidume, Toyoharu Mukai, Masaaki Kida | 1991-08-20 |
| 4879383 | Urea derivatives | Yoshitsugu Sakata, Kazunari Hashidume, Toyoharu Mukai, Masaaki Kida | 1989-11-07 |