Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8988055 | Digital windowing current-mode controller for a DC-DC converter | Henricus C. J. Buthker, Cornelis Stienstra | 2015-03-24 |
| 7772810 | DC-DC Converter with adaptive switching parameter adjustment | Henricus C. J. Buethker, Cornelis Stienstra | 2010-08-10 |
| 5436596 | PLL with stable phase discriminator | — | 1995-07-25 |
| 4775827 | Device for indicating the charge status of a battery | Johannes Ijntema, Jouw Van Den Akker, Jacob F. Verrij, Teruo Hishiki | 1988-10-04 |