Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838113 | Optical wavelength multiplexing device, optical transmission device, and abnormality determination method | Kota Ejima, Masahiro Yamakami, Satoshi Yoshimura, Takumi Tochigi | 2017-12-05 |