Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196981 | Variable lenses with improved image quality during continuous focus, video recording devices, and systems and methods comprising the same | John D Duke, Raymond Miller Karam, Joseph Marshall Kunick, Paul Michael Then, Thomas Mikio Wynne | 2025-01-14 |
| 8450757 | Light-emitting diode incorporating gradient index element | — | 2013-05-28 |
| 7622707 | Polaroid absolute encoder | Yee Loong Chin, Chee-Keong Chong | 2009-11-24 |
| 7112916 | Light emitting diode based light source emitting collimated light | Boon K. Lee, Yee Loong Chin, Gurbir Singh | 2006-09-26 |
| 7102177 | Light-emitting diode incorporating gradient index element | Yee Loong Chin, Boon K. Lee, Cheng Why Tan | 2006-09-05 |
| 6768101 | High resolution optical encoder with an angular collimated light beam | Boon K. Lee, Yee Long Chin, Chee-Keong Chong, Gurbir Singh | 2004-07-27 |
| 6717362 | Light emitting diode with gradient index layering | Boon K. Lee, Yee Loong Chin, Chen Why Tan | 2004-04-06 |