Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7358964 | Electromagnetic inductive system with multi-induction loop layout and battery less pointer device and its method for locating the coordinate | Chung-Wen Hsu | 2008-04-15 |
| 7176907 | Device and method for pointer system of digitizer tablet | Chung-Wen Hsu | 2007-02-13 |
| 6999067 | Electromagnetic induction pen-like device with writing function | Ping-Hung Chen, Chung-Wen Hsu | 2006-02-14 |
| 6930670 | Computer peripheral input system with two input types and method of data communication for the same | Chung-Wen Hsu | 2005-08-16 |
| 6909426 | Tablet system with inductive loops and cord less-battery less pointer apparatus controlled by multi-channel switches set and method for transmitting and receiving its signal | Chung-Wen Hsu | 2005-06-21 |
| 6882339 | Electromagnetic induction system with single-induction-loop multi-induction-loop | Chih-An Chen, Shi Cheng | 2005-04-19 |
| 6849810 | Antenna loop structure | Chih-An Chen | 2005-02-01 |
| 6787715 | N-shaped antenna loops of digitizer tablet for reducing antenna switches and the method for locating the cordless pen | Chia-Jui Yeh | 2004-09-07 |
| 6727439 | Pressure sensitive pen | Bor-Sen Chang, Chung-Wen Hsu | 2004-04-27 |
| 6606068 | Layout for multi-antenna loops of the electromagnetic-induction system | Chih-An Chen, I-Wen Wang | 2003-08-12 |
| 6184864 | Digitizer tablet apparatus with edge area as a macro cell | — | 2001-02-06 |
| 6180894 | Dual mode digitizer tablet system | Chia-Jui Yeh | 2001-01-30 |