Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323258 | Homodyne optical receiver equipment | Hideaki Tsushima, Shinya Sasaki, Shigeki Kitajima, Katsuhiko Kuboki | 1994-06-21 |
| 5321540 | Optical frequency division multiplexing network | Atsushi Takai, Akihiko Takase | 1994-06-14 |