Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621670 | Ground fault protection circuit for discharge tube lighting circuit | Ryoichi Uda | 2003-09-16 |
| 6104585 | Protection circuit for tap-grounded leakage transformer | Yoshihiro Matsui, Takayuki Ando | 2000-08-15 |