Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8385750 | Optical transmission device | Tetsuhiro Fukao, Harufusa Kondo | 2013-02-26 |
| 7877023 | Light detector detecting optical signal loss in an optical communication system | — | 2011-01-25 |