Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900724 | Tumor necrosis factor inducing substance derived from acid-fast bacteria | Yoshiko Kato | 1990-02-13 |
| 4678773 | Antitumor agent | Akihiro Yamamoto, Yutaka Sugawara, Shozo Kotani, Keijiro Kato | 1987-07-07 |
| 4242326 | Anti-tumor substance and process for preparing the same | Yutaka Sugawara, Akihiro Yamamoto, Mitsuaki Handa, Haruki Ogawa | 1980-12-30 |