Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11088504 | Optical fiber amplifier | Hidehisa Tazawa, Takafumi Ohtsuka | 2021-08-10 |
OS
Osamu SHIMAKAWA
Overall (2021): #311,162 of 548,734Top 60%
1
Patents 2021