Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841779 | Tension tester | Kenhachi Mitsuhashi, Shohei Nakayama, Akira Yamada | 1989-06-27 |
| 4812489 | Ultraviolet-curing resin composition | Hideo Watanabe | 1989-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841779 | Tension tester | Kenhachi Mitsuhashi, Shohei Nakayama, Akira Yamada | 1989-06-27 |
| 4812489 | Ultraviolet-curing resin composition | Hideo Watanabe | 1989-03-14 |