Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954641 | Novel antitumor antibiotic substance and a method for production thereof | Yoshikazu Sato, Hiroomi Watabe, Tadashi Nakazawa, Takashi Shomura, Masaji Sezaki +1 more | 1990-09-04 |
| 4940836 | Somatic hybrids of Rutaceae plants | Toshifumi Ohgawara, Shozo Kobayashi, Iwao Oiyama, deceased, Katsuichi Yoshinaga | 1990-07-10 |
| 4200694 | Novel pectin esterase, process for its production, and process for producing demethoxylated pectin by the use of said pectin esterase | Keiichi Kiho, Shinichi Sugiyama, Hiroshi Sugimoto | 1980-04-29 |