Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4727344 | Electromagnetic drive and polarized relay | Hirofumi Koga, Kozo Maenishi, Sueaki Honda, Kenichi Tsuruyoshi, Takezo Sano | 1988-02-23 |
| 4626813 | Electromagnetic drive and polarized relay | Hirofumi Koga, Kozo Maenishi, Sueaki Honda, Kenichi Tsuruyoshi, Takezo Sano | 1986-12-02 |