Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429285 | Downlight auxiliary ring | Choon Guan Ko, Sian Tatt Lee, Fook Chuin Ng | 2016-08-30 |
| 8376603 | Multi-segmented light guide for an input device | Choon Guan Ko, Sian Tatt Lee, Fook Chuin Ng | 2013-02-19 |
| 8339288 | Light guide having a capacitive sensing grid for a keypad and related methodology | Sian Tatt Lee, Choon Guan Ko, Fook Chuin Ng | 2012-12-25 |
| 8317384 | Light guide film with cut lines, and optical keypad using such film | Sian Tatt Lee, Choon Guan Ko, Fook Chuin Ng | 2012-11-27 |
| 8308336 | Multi-segmented light guide for keypad and display apparatus | Sian Tatt Lee, Choon Guan Ko, Fook Chuin Ng | 2012-11-13 |
| 8188399 | Fitting a light guide sheet to a keypad using protrusions | Choon Guan Ko, Yew Huat Chow | 2012-05-29 |
| 8172413 | Keypad assembly | Choon Guan Ko, Sian Tatt Lee, Fook Chuin Ng | 2012-05-08 |
| 8142036 | Keypad device with light source and reflector | Sian Tatt Lee, Choon Guan Ko, Fook Chuin Ng | 2012-03-27 |
| 8035048 | Illuminated keypad | Choon Guan Ko, Sian Tatt Lee, Fook Chuin Ng | 2011-10-11 |
| 7794130 | Segmented light guide | Sian Tatt Lee, Choon Guan Ko, Fook Chuin Ng | 2010-09-14 |