Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5149802 | Process for producing azetidinone derivatives | Takeo Yoshioka, Toshio Tsuchida, Hiroshi Tone, Rokuro Okamoto | 1992-09-22 |
| 4997922 | Anthracycline derivatives | Takeo Yoshioka, Toshio Tsuchida, Hiroshi Tone, Rokuro Okamoto | 1991-03-05 |