Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9785520 | Computer system, storage apparatus and control method | Yuta Kajiwara, Ken Tokoro | 2017-10-10 |
| 9780880 | Relay device and optical network system | Shigeki Watanabe | 2017-10-03 |
| 9746699 | Optical frequency shifter, single sideband modulator, and light insertion and branch apparatus | — | 2017-08-29 |
| 9634787 | Optical add-drop multiplexer | Takahito Tanimura, Shigeki Watanabe | 2017-04-25 |