Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8436592 | Voltage buck-boost switching regulator | — | 2013-05-07 |
| 7965071 | DC-DC boost converter | — | 2011-06-21 |
| 7642729 | Light-emitting device driving gear | Hiroshi Watanabe | 2010-01-05 |
| 7492799 | Light-emitting element driver | Hiroshi Watanabe | 2009-02-17 |