Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367587 | Optical amplifier | Takashi Mizuochi, Tadayoshi Kitayama, Katsuhiro Shimizu, Nobuyuki Takemura, Eiichi Nakagawa | 1994-11-22 |
| 5287389 | Frame alignment circuit | Hiroshi Ichibangase | 1994-02-15 |