Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10820457 | Electromagnetic wave shielding sheet and printed wiring board | Daisuke Kishi, Takahiro Matsuzawa, Tsutomu Hayasaka | 2020-10-27 |
| 10571775 | Optical transmission apparatus, optical transmission system, and method of controlling excitation light frequency | — | 2020-02-25 |
| 10567081 | Transmission system and transmission method | Tooru Matsumoto | 2020-02-18 |