Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10541749 | Optical wavelength multiplexing transmission apparatus and optical wavelength multiplexing transmission method | Shigeru Ishii, Takehiro Fujita, Tatsuya Tsuzuki | 2020-01-21 |