Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D707147 | Doorbell | Mario Crippa | 2014-06-17 |
| 8687061 | Entrance guard device with light-uniformization structure | Ren-Peng Chen | 2014-04-01 |
| D660819 | Door intercom | Ren-Peng Chen | 2012-05-29 |
| 7900218 | Tray used in an optical disk drive | Hsin-Tso Chen | 2011-03-01 |
| 7770189 | Tray used in an optical disk drive | Hsin-Tso Chen | 2010-08-03 |
| 6683841 | Anti-fluttering transmission apparatus for CD-RW drive head | — | 2004-01-27 |