Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625450 | Apparatus for measuring connection loss and reflection attenuation of optical fiber cord | — | 1997-04-29 |
| 5225942 | Optical signal band-pass filter module | Kazuhiro Ohki | 1993-07-06 |