Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8232773 | Over voltage transient controller | Guoxing Li, Liusheng Liu | 2012-07-31 |
| 7890741 | Low power digital audio decoding/playing system for computing devices | Sterling Du, James Lam | 2011-02-15 |
| 7808548 | Power management for digital devices | Vlad Popescu-Stanseti, Liusheng Liu, James Lam, Sterling Du | 2010-10-05 |
| 7667435 | Secondary battery protection circuit with over voltage transient protection | — | 2010-02-23 |
| 7646169 | Trickle discharge for battery pack protection | Liusheng Liu | 2010-01-12 |
| 7589499 | Over voltage transient controller | Guoxing Li, Liusheng Liu | 2009-09-15 |
| 7522966 | Low power digital audio decoding/playing system for computing devices | Sterling Du, James Lam | 2009-04-21 |
| 7424623 | Personal computer integrated with personal digital assistant | Sterling Du, James Lam | 2008-09-09 |
| 7385795 | Cordless power tool with a protected weak link element | — | 2008-06-10 |
| 7343484 | Personal computer integrated with personal digital assistant | Sterling Du, James Lam | 2008-03-11 |
| 7180268 | Circuits capable of trickle precharge and/or trickle discharge | Guoxing Li, Liusheng Liu | 2007-02-20 |
| 7119516 | Cordless power tool with tool identification circuitry | — | 2006-10-10 |
| 7095211 | Battery gas gauge | — | 2006-08-22 |
| 6954804 | Controller for portable electronic devices | James Lam, Sterling Du | 2005-10-11 |
| 4741045 | Optical character isolation system, apparatus and method | — | 1988-04-26 |
| 4700401 | Method and apparatus for character recognition employing a dead-band correlator | Cary H. Masatsugu, Martin N. Nelson | 1987-10-13 |
| 4398264 | Circuit to enable foreground and background processing in a word processing system with circuits for performing a plurality of independently controlled functions | Robert A. Couper | 1983-08-09 |
| 4392197 | Print control circuit for a word processing system | Robert A. Couper | 1983-07-05 |