Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10171173 | Optical signal transmission apparatus and optical signal transmission method | Seiji Okamoto, Koichi Ishihara, Etsushi Yamazaki, Mitsuteru YOSHIDA, Tomoyoshi Kataoka +3 more | 2019-01-01 |