Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283474 | Circuit for driving a load by using selectively one of two different DC power sources | Kunio Oi, Makoto Kawaguchi | 1994-02-01 |
| 5099113 | Photoelectrical switching circuit with frequency divider circuit | Kunio Oi, Makoto Kawaguchi | 1992-03-24 |