Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8346983 | Simultaneous sharing of system resources by multiple input devices | Kee Keong Lew | 2013-01-01 |
| 7215328 | Multimedia keyboard | Wong Hoo Sim | 2007-05-08 |
| 7208670 | System to enable the use of white keys of musical keyboards for scales | Wong Hoo Sim, Phoei Min Paul Seow | 2007-04-24 |
| 7105738 | Functional performance of keyboard musical instruments | Wong Hoo Sim, Phoei Min Paul Seow | 2006-09-12 |
| 6842168 | Accessory for multimedia console | Wong Hoo Sim | 2005-01-11 |
| D466899 | Keyboard | Wong Hoo Sim | 2002-12-10 |