Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847145 | Film for keeping freshness of vegetables and fruit | — | 1989-07-11 |
| 4803633 | Machine tool for tracer controlled machinery and numerical controlled machinery | Hajimu Kishi, Hitoshi Aramaki | 1989-02-07 |