Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5153427 | Optical d.c. voltage transformer | Kazuyuki Seino, Sadamu Saito, Tadashi Sato, Etsunori Mori, Kiyoshi Kurosawa +1 more | 1992-10-06 |
| 4564754 | Method and apparatus for optically measuring a current | Tadashi Sato, Yoshiaki Inui | 1986-01-14 |