Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7929581 | Testing method of wavelength-tunable laser, controlling method of wavelength-tunable laser and laser device | Tsutomu Ishikawa, Hirokazu Tanaka | 2011-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7929581 | Testing method of wavelength-tunable laser, controlling method of wavelength-tunable laser and laser device | Tsutomu Ishikawa, Hirokazu Tanaka | 2011-04-19 |