Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700466 | Contactor | Ritsu Yamamoto, Tsutomu Shimomura, Riichi Uotome, Hideki Enomoto, Takehiko Toguchi +1 more | 2004-03-02 |
| 4625191 | Safety electromagnetic relay | Johannes Oberndorfer, Kenji Ono | 1986-11-25 |