Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728729 | Cyanoimidazole nucleoside derivatives | Yuzo Tarumi, Toshio Atsumi | 1988-03-01 |
| 4673668 | Aminonaphthacene derivatives | Kikuo Ishizumi, Naohito Ohashi, Norihiko Tanno, Hiromi Sato, Shinya Morisada | 1987-06-16 |
| 4318925 | 4-Homoisotwistane derivatives | Toshio Atsumi, Yoshiaki Takebayashi, Hisao Yamamoto | 1982-03-09 |
| 4230725 | Antiviral agent | Shigeo Ogino, Hisao Yamamoto | 1980-10-28 |