Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429285 | Downlight auxiliary ring | Muh Fong Chung, Choon Guan Ko, Sian Tatt Lee | 2016-08-30 |
| 9347648 | Lighting apparatus with transmission control | Choon Guan Ko, Lig Yi Yong | 2016-05-24 |
| 8376603 | Multi-segmented light guide for an input device | Muh Fong Chung, Choon Guan Ko, Sian Tatt Lee | 2013-02-19 |
| 8357865 | Keypad illumination apparatus | Choon Guan Ko, Felix Cheang, Boon Keat Tan | 2013-01-22 |
| 8339288 | Light guide having a capacitive sensing grid for a keypad and related methodology | Sian Tatt Lee, Choon Guan Ko, Muh Fong Chung | 2012-12-25 |
| 8317384 | Light guide film with cut lines, and optical keypad using such film | Muh Fong Chung, Sian Tatt Lee, Choon Guan Ko | 2012-11-27 |
| 8308336 | Multi-segmented light guide for keypad and display apparatus | Sian Tatt Lee, Muh Fong Chung, Choon Guan Ko | 2012-11-13 |
| 8172413 | Keypad assembly | Muh Fong Chung, Choon Guan Ko, Sian Tatt Lee | 2012-05-08 |
| 8172444 | Light guide display with multiple light guide layers | Chuan Hoe Chan, Sian Tatt Lee, Choon Guan Ko | 2012-05-08 |
| 8142036 | Keypad device with light source and reflector | Muh Fong Chung, Sian Tatt Lee, Choon Guan Ko | 2012-03-27 |
| 8035048 | Illuminated keypad | Choon Guan Ko, Muh Fong Chung, Sian Tatt Lee | 2011-10-11 |
| 7794130 | Segmented light guide | Muh Fong Chung, Sian Tatt Lee, Choon Guan Ko | 2010-09-14 |
| 7740390 | Segmented light guide | Sian Tatt Lee, Eit Thian Yap, Choon Guan Ko | 2010-06-22 |
| 7712910 | Low-profile backlight with flexible light guide | Choon Guan Ko, Sian Tatt Lee | 2010-05-11 |
| 7674030 | Light source for even illumination of a light guide | Ju Chin Poh, Thye Linn Mok, Sundar Natarajan Yogan, Tong Fatt Chew, Siew It Pang | 2010-03-09 |
| 7473879 | LED illumination system having an intensity monitoring system | Kee Yean Ng, Heng Cheng | 2009-01-06 |
| 7348530 | System, method and apparatus for regulating the light emitted by a light source | Felix Cheang, Choon Guan Ko | 2008-03-25 |
| 7311431 | Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates | Tong Fatt Chew, Siew It Pang, Ju Chin Poh | 2007-12-25 |
| 7294816 | LED illumination system having an intensity monitoring system | Kee Yean Ng, Heng Cheng | 2007-11-13 |
| 7012382 | Light emitting diode based light system with a redundant light source | Tak Meng Cheang, Choon Guan Ko, Choon Chew | 2006-03-14 |