Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9887778 | Optical amplifier, optical transmission apparatus, and optical repeating apparatus | Tomoaki Takeyama | 2018-02-06 |
YK
Yoshito Kachita
Overall (2018): #183,050 of 503,207Top 40%
1
Patents 2018