Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831845 | Temperature testing device provided with sample-receiving chamber from which a specimen is easily detachable and in which temperature is controllable | Yasukage Oda | 1989-05-23 |
| 4827737 | Cold reserving apparatus | Yasukage Oda | 1989-05-09 |