Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863746 | Proteinous material | Yoichi Shirakawa | 1989-09-05 |
| 4861602 | Process for treating fish bodies | Yoichi Shirakawa | 1989-08-29 |
| 4820529 | Process for preparing pasty proteinous material or proteinous food from crustaceans | Hitoshi Nagasaki, Makoto Itoh | 1989-04-11 |