Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268900 | Polarization property image measurement device, and polarization property image measurement method | Takanori KOJIMA, Toru Takagi | 2022-03-08 |
| 10620116 | Polarization property image measurement device, and polarization property image measurement method | Takanori KOJIMA, Toru Takagi | 2020-04-14 |
| 7970278 | Flexible open ring optical network and method | Susumu Kinoshita, Koji Takeguchi, Cechan Tian | 2011-06-28 |
| 7957644 | Flexible open ring optical network and method | Susumu Kinoshita, Koji Takeguchi, Cechan Tian | 2011-06-07 |
| 7231148 | Flexible open ring optical network and method | Susumu Kinoshita, Koji Takeguchi, Cechan Tian | 2007-06-12 |
| 7116905 | Method and system for control signaling in an open ring optical network | Susumu Kinoshita, Koji Takeguchi, Cechan Tian | 2006-10-03 |
| 7076163 | Method and system for testing during operation of an open ring optical network | Susumu Kinoshita, Koji Takeguchi, Cechan Tian | 2006-07-11 |