Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879762 | Optical repeater and regulated current feeding system for the same | Ken Hanyuda | 1989-11-07 |
| 4727448 | Shutdown control circuit for an electric power supply | Ken Hanyuda | 1988-02-23 |