Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608593 | Wire rope, sheave and drum | Yukito Yamamoto, Takuya Katayama | 2023-03-21 |
| 11588572 | Wavelength converter and optical transmission device that includes wavelength converter | Tomoyuki Kato, Takeshi Hoshida | 2023-02-21 |