Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334979 | Optical wavelength multiplexing transmission device and optical wavelength multiplexing transmission method | Shigeru Ishii, Tatsuya Tsuzuki, Takehiro Fujita | 2025-06-17 |