| 10004093 |
PTP interaction association system supporting connection between audio electronic product and internet |
— |
2018-06-19 |
| 9934317 |
Electronic audio product supporting interactive interconnected system |
— |
2018-04-03 |
| 9792379 |
Plane publication product supporting interactive interconnected system |
— |
2017-10-17 |
| 9703884 |
Plane media product supporting interactive interconnected system |
— |
2017-07-11 |
| 9565485 |
Audio information signal supporting interactive interconnected system |
— |
2017-02-07 |
| 9565486 |
Electronic video product supporting interactive interconnected system |
— |
2017-02-07 |
| 8342846 |
Braille writing device capable of processing information |
— |
2013-01-01 |
| 7854319 |
Multifunctional cover device with a detachable PDA device |
— |
2010-12-21 |
| 7778665 |
PDA arrangement having multi-keypad, multi-card and synchronously copying multi-card |
— |
2010-08-17 |
| 7618065 |
Multi-functional cover |
— |
2009-11-17 |
| 7540379 |
Information book with PDA and multiple foldable pieces |
— |
2009-06-02 |