Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9007305 | Optical navigation system and method of estimating motion with optical lift detection | Sai Mun Lee, Thineshwaran G. Krishnan | 2015-04-14 |
| 8279178 | System and method for performing optical navigation using horizontally oriented imaging lens | Thineshwaran G. Krishnan, Sai Mun Lee | 2012-10-02 |
| 8237684 | User input device with planar light guide illumination plate | Sai Mun Lee, Hung Kwang Lee, Jin Kiong Ang | 2012-08-07 |
| 8212776 | Optical finger navigation device with integrated tactile switch | Hung Kwang Lee, Sai Mun Lee | 2012-07-03 |
| 8093545 | Lensless user input device with optical interference based on diffraction with a small aperture | Sai Mun Lee, Hung Kwang Lee, Jin Kiong Ang | 2012-01-10 |
| 8081162 | Optical navigation device with surface and free space navigation | Edward Kah Ching Teoh, Jin Kiong Ang, Wui Pin Lee, Ban Kuan Koay | 2011-12-20 |
| 8022931 | Self-calibrating optical feedback system in a laser mouse | Kee Seng Soo, Sai Mun Lee | 2011-09-20 |
| 7978477 | Dual-channel optical navigation device | Hun Kwang Lee, Sai Mun Lee | 2011-07-12 |
| 7868281 | Optical navigation system and method of estimating motion with optical lift detection | Sai Mun Lee, Thineshwaran G. Krishnan | 2011-01-11 |
| 7710570 | Light pipe for low profile optical navigation systems | Sai Mun Lee, Kok Khian Ng | 2010-05-04 |