Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201721 | Frame synchronization apparatus, optical communication apparatus, and frame synchronization method | Mitsuteru YOSHIDA, Yasuyuki Endoh, Masayuki Ikeda, Tsutomu Takeya, Etsushi Yamazaki +2 more | 2021-12-14 |
| 11121778 | Phase variation compensation device, phase variation compensation method and communication device | Tomohiro Takamuku, Mitsuteru YOSHIDA, Tsutomu Takeya, Hiroyuki Nouchi, Atsushi Suenaga | 2021-09-14 |