Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11791906 | Optical demultiplexing device and transmission device | Tomoyuki Akiyama, Takeshi Hoshida | 2023-10-17 |
| 11736201 | Optical transmitter for transmitting multilevel optical signals | Tomoyuki Akiyama, Yohei Sobu | 2023-08-22 |
| 11664644 | Wavelength tunable light source, optical transmission apparatus using the same, and method of controlling wavelength tunable light source | — | 2023-05-30 |
| 11596034 | Light-emitting module | Satoshi Kashiwagura | 2023-02-28 |