Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874580 | Pressure-controlling method | Ko Sugisawa, Yasushi Matsumura, Hiroshi Hayami | 1989-10-17 |
| 4871565 | Method of producing retort packaged fish | Ko Sugisawa, Yasushi Matsumura, Kumiko Abe | 1989-10-03 |
| 4842872 | Method of producing retort food | Ko Sugisawa, Yasushi Matsumura, Kumiko Abe | 1989-06-27 |
| 4840805 | Process for preparing sterilized packaged fish and product thereof | Ko Sugisawa, Yasushi Matsumura, Kumiko Abe | 1989-06-20 |
| 4798728 | Method of retort packaging broiled fish and product thereof | Ko Sugisawa, Yasushi Matsumura, Kumiko Abe | 1989-01-17 |