Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436140 | Process for producing WS-9326A and WS-9326B | Tohru Kino, Masami Ezaki, Sumio Kiyoto, Masakuni Okuhara, Shigehiro Takase +2 more | 1995-07-25 |
| 5217952 | Peptides WS-9326a and WS-9326b, derivatives thereof and uses thereof | Tohru Kino, Masami Ezaki, Sumio Kiyoto, Masakuni Okuhara, Shigehiro Takase +2 more | 1993-06-08 |
| 5187195 | Anthraquinone derivatives and preparation thereof | Nobutaka Oohata, Sumio Kiyoto, Shigehiro Takase, Keiji Hemmi, Hidetsugu Murai +1 more | 1993-02-16 |
| 4661352 | WS 7739 substances, their preparation and pharmaceutical composition containing the same | Morita Iwami, Keizo Yoshida, Masanobu Kohsaka | 1987-04-28 |
| 4578271 | Biologically active WS 6049 substances, a process for the production thereof and their pharmaceutical compositions | Sumio Kiyoto, Morita Iwami, Hiroshi Terano, Masanobu Kohsaka | 1986-03-25 |