Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864213 | DC supply having low and high constant voltages for powering a polarity inverter controller | — | 1989-09-05 |
| 4698517 | Power supply source control system | Hirokazu Tohya | 1987-10-06 |