Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11835844 | Optical frequency control device, optical oscillation device, frequency conversion device, and radio wave generation device | Junya NISHIOKA, Tomohiro Akiyama, Toshiyuki Ando | 2023-12-05 |
| 11817902 | Orientation direction control device, optical communication terminal, optical communication system, and orientation direction control method | Toshiyuki Ando | 2023-11-14 |
| 11463378 | Digital switch, wireless communication device, control station, and wireless communication control method for switching a route of communication data | Kazuyoshi Tsuji, Akinori Fujimura, Shinya Hirakuri, Yuichi Yamamoto | 2022-10-04 |
| 11456812 | Demultiplexing circuit, multiplexing circuit, and channelizer relay unit | Akinori Fujimura, Yuichi Yamamoto | 2022-09-27 |
| 10057149 | Delay measuring device, measurement object device and communication system | Kazuo Kubo, Yoshiaki Konishi | 2018-08-21 |