Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871565 | Method of producing retort packaged fish | Ko Sugisawa, Yasushi Matsumura, Hidefumi Okamoto | 1989-10-03 |
| 4842872 | Method of producing retort food | Ko Sugisawa, Yasushi Matsumura, Hidefumi Okamoto | 1989-06-27 |
| 4840805 | Process for preparing sterilized packaged fish and product thereof | Ko Sugisawa, Yasushi Matsumura, Hidefumi Okamoto | 1989-06-20 |
| 4798728 | Method of retort packaging broiled fish and product thereof | Ko Sugisawa, Yasushi Matsumura, Hidefumi Okamoto | 1989-01-17 |