Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777241 | Proteinaceous substance showing antitumorous action and its preparing method | Tsutomu Irikura, Jiro Hosomi, Satoshi Murayama, Koji Saito, Takashi Okazaki | 1988-10-11 |
| 4593092 | Class of spiro-linked pyrrolidine-2,5-diones | Tsutomu Irikura, Shizuyoshi Fujimori, Yoshihiro Hirata | 1986-06-03 |