Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9941716 | Protection switch circuit, charging circuit, and electronic device | — | 2018-04-10 |
| 7501738 | Piezoelectric transducer drive circuit and cold cathode tube lighting device having the same | Yuji Nozasa | 2009-03-10 |