Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859060 | Variable interferometric device and a process for the production of the same | Masanori Watanabe, Kazutaka Uda, Masaya Hijikigawa, Shuhei Tsuchimoto, Yasuhiko Inami | 1989-08-22 |