Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239132 | Lubrication package | Tie Wang | 2016-01-19 |
| 9192937 | Interchangeable cartridge-based paper shredder system | — | 2015-11-24 |
| 8544781 | Power shredder with individually removable components structure | Guofeng Pan | 2013-10-01 |
| 7874506 | Top and side loading shredder with optional handle | Tie Wang, Simon Huang | 2011-01-25 |
| 6084484 | Programmable precise frequency divider | Yueh-Mei Hou | 2000-07-04 |
| 6020833 | Method and interface circuit for scanning keys and external resistors in keypad | Yueh-Mei Hou | 2000-02-01 |
| 5856794 | Method and apparatus for scanning keyboard and diode option | — | 1999-01-05 |
| 5748708 | Voice-generating telephone set without external power supply | — | 1998-05-05 |
| 5668544 | Compound type of keyboard detector | Yueh-Mei Hou | 1997-09-16 |