Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764638 | Monitoring apparatus and monitored apparatus | — | 2010-07-27 |
| 7136584 | Optical output power automatic attenuation circuit for optical communication apparatus | Keisuke Harada, Satoru Miyazaki, Hiroshi Oikawa | 2006-11-14 |
| 5218606 | Current-spare switching control system | Junichi Yoshimura | 1993-06-08 |