Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813760 | Optical connector and plugs therefor | Toshiyasu Tanaka, Sadakazu Ariga | 1989-03-21 |
| 4726646 | Optical switch | Yoshiyasu Tanaka, Sadakazu Ariga, Ayako Sakamoto | 1988-02-23 |