Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8941620 | System and method for a virtual multi-touch mouse and stylus apparatus | Cheng-Feng Sze, Raymyung Cha, Jae Eul Koo | 2015-01-27 |
| 8937596 | System and method for a virtual keyboard | Cheng-Feng Sze, Raymyung Cha, Jae Eul Koo | 2015-01-20 |
| 8497841 | System and method for a virtual keyboard | Cheng-Feng Sze, Raymyung Cha, Jae Eul Koo | 2013-07-30 |