Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8279178 | System and method for performing optical navigation using horizontally oriented imaging lens | Thineshwaran G. Krishnan, Yat Kheng Leong | 2012-10-02 |
| 8237684 | User input device with planar light guide illumination plate | Yat Kheng Leong, Hung Kwang Lee, Jin Kiong Ang | 2012-08-07 |
| 8212776 | Optical finger navigation device with integrated tactile switch | Hung Kwang Lee, Yat Kheng Leong | 2012-07-03 |
| 8211748 | Systems and methods for low profile die package | Hun K. Lee, Li Chong Tai | 2012-07-03 |
| 8188988 | Finger navigation device | Wui Pin Lee, Hun K. Lee | 2012-05-29 |
| 8093545 | Lensless user input device with optical interference based on diffraction with a small aperture | Yat Kheng Leong, Hung Kwang Lee, Jin Kiong Ang | 2012-01-10 |
| 8022931 | Self-calibrating optical feedback system in a laser mouse | Kee Seng Soo, Yat Kheng Leong | 2011-09-20 |
| 7978477 | Dual-channel optical navigation device | Hun Kwang Lee, Yat Kheng Leong | 2011-07-12 |
| 7868281 | Optical navigation system and method of estimating motion with optical lift detection | Yat Kheng Leong, Thineshwaran G. Krishnan | 2011-01-11 |
| 7760186 | Optical mouse that automatically adapts to glass surfaces and method of using the same | Shan Chong Tan | 2010-07-20 |
| 7710570 | Light pipe for low profile optical navigation systems | Yat Kheng Leong, Kok Khian Ng | 2010-05-04 |
| 7568819 | Utilizing an internal reflection surface to reflect and collimate sidelight in an optical navigation device | Boon K. Lee, Soon-Chun Kuek | 2009-08-04 |
| 7470887 | Collapsible structure for optical navigation system | Li Chong Tai, Hun Kwang Lee | 2008-12-30 |
| 7399955 | Low profile optical navigation sensor | Hun Kwang Lee, A/L Gopal Krishnan Thineshwaran | 2008-07-15 |
| 7378643 | Optical projection encoder with patterned mask | Chee Foo Lum, Weng Fei Wong | 2008-05-27 |
| 7358958 | Method for locating a light source relative to optics in an optical mouse | Paul Michael Welch, Gurbir Singh, Ak Wing Leong | 2008-04-15 |
| 7282694 | Optical navigation system having a ring pixel array | Chin Lee, Tony Sen Liew, Shan Chong Tan, Bernard Lye Hock Chan | 2007-10-16 |
| 7045775 | Optical navigation sensor with integrated lens | Ak Wing Leong, Gurbir Singh, Poh Huat Lye | 2006-05-16 |
| 6967321 | Optical navigation sensor with integrated lens | Ak Wing Leong, Gurbir Singh, Poh Huat Lye | 2005-11-22 |