Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8400124 | Startup circuit for self-supplied voltage regulator | Frank Schwiderski | 2013-03-19 |
| 8228053 | Startup circuit for bandgap voltage reference generators | Frank Schwiderski | 2012-07-24 |
| 8149250 | Gamma curve correction for TN and TFT display modules | Helmut Burkhardt, Paul Zehnich, Frank Kronmuller | 2012-04-03 |
| 7830197 | Adjustable integrator using a single capacitance | Michael Keller, Paul Zehnich | 2010-11-09 |
| 7291551 | Sub-milliohm on-chip interconnection | Wolfgang Jorger, Michael Keller | 2007-11-06 |
| 7030591 | Integrated circuit implementing protection switch for battery charging and discharging with enhanced reverse voltage protection | — | 2006-04-18 |
| 6710992 | Charge/discharge protection circuit for a rechargeable battery | Axel Pannwitz, Hans Martin von Staudt | 2004-03-23 |
| 6670790 | Power switch for battery protection | — | 2003-12-30 |
| 6580250 | Monolithic battery protection circuit | Michael Keller, Rolt Hülss, Frank Kronmuller | 2003-06-17 |
| 6569758 | Sub-milliohm on-chip interconnection | Wolfgang Jorger, Michael Keller | 2003-05-27 |