Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455550 | Detection circuit for a video intrusion monitoring apparatus | — | 1984-06-19 |
| 4323839 | Constant current load and constant voltage load power supply | Kazuyoshi Imazeki | 1982-04-06 |