Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9648419 | Apparatus and method for coordinating use of different microphones in a communication device | Cheah Heng Tan, Kheng Shiang Teh | 2017-05-09 |
| 5060293 | Antenna switch for transmit-receive operation using relays and diodes | Gee Siong Kok, Sek Loon Chan, Wan F. Tay, Chacko Prakash, Hock Seng Kelvin LIM | 1991-10-22 |
| 4987388 | Crystal oscillator operated in parallel/series mode | Chacko Prakash, Yong Kiat Ng | 1991-01-22 |