Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D692396 | Power transfer switch | Kazutohi Ito | 2013-10-29 |
| D691566 | Power transfer switch | Kazutohi Ito | 2013-10-15 |
| 5623135 | Power source switching device with plural interlocking elements | Tohru Katoh | 1997-04-22 |