Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12040587 | Optical semiconductor device | — | 2024-07-16 |
| 9819148 | Method for controlling tunable wavelength laser | Hirokazu Tanaka, Masao Shibata | 2017-11-14 |
| 9742149 | Method for controlling tunable wavelength laser | Masao Shibata, Hirokazu Tanaka | 2017-08-22 |
| 9728937 | Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser | Hirokazu Tanaka, Masao Shibata, Hiromitsu Kawamura | 2017-08-08 |
| 9614349 | Method for switching output wavelength of tunable wavelength laser, method for switching wavelength of tunable wavelength laser, and tunable wavelength laser device | — | 2017-04-04 |
| 9564735 | Method for controlling wavelength tunable laser | — | 2017-02-07 |
| 9450378 | Method for controlling wavelength-tunable laser | Hirokazu Tanaka, Masao Shibata | 2016-09-20 |
| 9444220 | Method for controlling wavelength tunable laser | — | 2016-09-13 |
| 9413138 | Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser | Hirokazu Tanaka, Masao Shibata, Hiromitsu Kawamura | 2016-08-09 |
| 9240668 | Method for controlling wavelength tunable laser, and wavelength tunable laser | — | 2016-01-19 |
| 9160141 | Method for controlling wavelength-tunable laser | Hirokazu Tanaka, Masao Shibata | 2015-10-13 |