Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041870 | Electromagnetic relay | Yoshikiyo Imai, Yuji Yoasuoka, Yutaka Nozaki, Takashi Tanaka | 1991-08-20 |
| 5027094 | Electromagnetic relay | Yuji Yasuoka, Yoshikiyo Imai | 1991-06-25 |