Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236772 | Circuit board and process for producing same | Eiji Horikoshi, Isao Watanabe, Katsuhide Natori, Takehiko Sato | 1993-08-17 |
| 5231440 | Method of and apparatus for forming volume type phase hologram | Yasuo Yamagishi, Takeshi Ishitsuka, Youko Kuramitsu | 1993-07-27 |
| 5154994 | Method of and apparatus for forming volume type phase hologram | Yasuo Yamagishi, Takeshi Ishitsuka, Youko Kuramitsu | 1992-10-13 |