Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11895763 | Convertible plasma source and method | Jean-Sébastien Boisvert, Valérie Léveillé | 2024-02-06 |
| 6974403 | 10K step exercise method and apparatus | Ka Yiu Sham | 2005-12-13 |
| 6719667 | Weight-scale apparatus and method | Ka Yiu Sham | 2004-04-13 |
| 6680673 | Remote control with safety features | — | 2004-01-20 |
| 6334848 | Remote pedometer | Ka Yiu Sham, Robert A. Fabrizio | 2002-01-01 |
| 6334060 | Multi-channel or split-frequency, low frequency, telemetry circuit and method between transmitters and receivers | Ka Yiu Sham | 2001-12-25 |
| 5891042 | Fitness monitoring device having an electronic pedometer and a wireless heart rate monitor | Ka Yiu Sham | 1999-04-06 |
| 5844960 | Synchronized voltage controlled oscillator lap counting circuit | Ka Yiu Sham | 1998-12-01 |
| 5661398 | Two channel eight bearings magnetic resolver circuit using differential amplifiers for lap counting and timing | Ka Yiu Sham | 1997-08-26 |