Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10684727 | Optical touch screen with a lossy dispersive FTIR layer | David Lomas | 2020-06-16 |
| 10175822 | Optical touch screen with a lossy dispersive FTIR layer | David Lomas | 2019-01-08 |
| 9153987 | Battery charger voltage control method for instant boot-up | Ken Tsz Kin Mok | 2015-10-06 |
| 8773084 | Buck-boost converter using timers for mode transition control | Charles A. Casey | 2014-07-08 |
| 8436591 | Buck-boost converter with smooth transitions between modes | — | 2013-05-07 |
| 8085005 | Buck-boost converter with sample and hold circuit in current loop | — | 2011-12-27 |
| 7605574 | Switching regulator circuits | Holger Haiplik | 2009-10-20 |
| 7573152 | Power sequencing circuit | Mark Lester Jacob, John L. Pennock | 2009-08-11 |
| 7301347 | Current sensing circuit | Holger Haiplik | 2007-11-27 |
| 6856124 | LDO regulator with wide output load range and fast internal loop | John Malcolm, Axel Pannwitz | 2005-02-15 |