Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838113 | Optical wavelength multiplexing device, optical transmission device, and abnormality determination method | Masahiro Yamakami, Satoshi Yoshimura, Takumi Tochigi, Makoto Yoshimi | 2017-12-05 |
| 9538326 | Apparatus and method for monitoring a location of a movable information apparatus | Shinya Yamamura | 2017-01-03 |