Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9577819 | Communication device, pulse signal delay adjustment method and communication system | Masato Hashizume, Yasuo Takami | 2017-02-21 |
| 7421201 | Route determination method used in optical signal transmission system | Megumi Shibata, Hiroyuki Iwaki | 2008-09-02 |