Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041870 | Electromagnetic relay | Yoshiharu Kitagawa, Yuji Yoasuoka, Yutaka Nozaki, Takashi Tanaka | 1991-08-20 |
| 5027094 | Electromagnetic relay | Yuji Yasuoka, Yoshiharu Kitagawa | 1991-06-25 |
| 4673908 | Polarized relay | Yuji Yasuoka | 1987-06-16 |