Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7304459 | Synchronous rectification mode dc-to-dc converter power supply device | — | 2007-12-04 |
| 6167187 | Speed controlling circuit of dubbing recorder and dubbing equipment using the speed controlling circuit | Kenji Masuda | 2000-12-26 |