Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12288006 | Apparatus, system, and method for managing audio accessories | Yusasmadi Yusof, Woei Chyuan Tan | 2025-04-29 |
| 11720318 | Audio accessory with high and low impedance paths to a speaker, and a radio for the audio accessory | Daniel Grobe Sachs, Heng Leong Leong, Robert A. Zurek, Sheau Wei Ch'Ng | 2023-08-08 |
| 10368167 | Audio power circuit and method | Chen Kok Yeoh, Chin Seng Tan | 2019-07-30 |
| 9450636 | Intrinsically safe audio power current circuit and device using same | Chen Kok Yeoh, Friedrich Bollmann, Geng Xiang Lee @ Titus Lee | 2016-09-20 |