Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171738 | Method of treating malignant tumors | Yutaka Katayama, by Shigemasa Katayama, heir, by Nobuko Katayama, heir, by Yoshimasa Katayama, heir, Toru Tani +2 more | 1992-12-15 |
| 4771104 | Endotoxin detoxifying material | Toru Tani, Kazuyoshi Hanazawa, Totaro Oka, Kazuo Teramoto, Shiro Nishiumi | 1988-09-13 |
| 4661260 | Endotoxin detoxifying process | Toru Tani, Kazuyoshi Hanazawa, Totaro Oka, Kazuo Teramoto, Shiro Nishiumi | 1987-04-28 |