Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12191982 | Optical transmission device | Atsushi Kiyama, Tomoaki Watanabe | 2025-01-07 |
| 9690677 | Transmission device, transmission system, and transmission method | Yutaka Hayama, Kouji Kurihara, Tsutomu Chikazawa, Yasushi Tateno | 2017-06-27 |