Issued Patents 2023
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11799579 | Wavelength conversion device, transmission device, and transmission system | Tomohiro Yamauchi | 2023-10-24 |
| 11789204 | Wavelength converter, optical transmission system and wavelength conversion method | — | 2023-10-17 |
| 11721999 | Charging control for improving efficiency of charging auxiliary device battery | Toru Ono, Akira Umemoto, Takuya Itoh, Makoto Fujii | 2023-08-08 |
| 11709450 | Image forming device | — | 2023-07-25 |
| 11691556 | Vehicle ramp system | Hideki Maeda, Shunsuke Kanagai, Masaaki Tanaka, Isao Honda, Taiki Ishiguro +2 more | 2023-07-04 |
| 11668870 | Optical communication device, optical transmission system, wavelength converter, and optical communication method | — | 2023-06-06 |
| 11613196 | Ramp system for vehicle | Takuya TOMIOKA, Hideki Maeda, Koichi Hirota, Taiki Ishiguro, Takeshi Nishikibe | 2023-03-28 |
| 11588572 | Wavelength converter and optical transmission device that includes wavelength converter | Shigeki Watanabe, Takeshi Hoshida | 2023-02-21 |