Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820520 | Antiseptic agent for food and drink and method of antiseptic treatment thereof | Koki Yokotsuka, Yumiko Kanai, Toshihide Aihara, Mizuo Yajima, Tomoyoshi Nakajima | 1989-04-11 |