Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170334 | Bypass-pair control apparatus for thyristor bridge | Teruo Yoshino | 1992-12-08 |
| 5155673 | Thyristor converter protection method and apparatus | Tadashi Takahashi | 1992-10-13 |