Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9423559 | Multi-core amplification optical fiber | Yukihiro TSUCHIDA | 2016-08-23 |
| 9270076 | Optical amplifier, optical amplifying system, wavelength converter, optical amplification method, and optical communication system | Shigehiro Takasaka | 2016-02-23 |