Issued Patents 2017
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850744 | Method for extracting coalbed gas through water and coal dust drainage and a device thereof | Shuhua Zhang, Kechu Han, Hongrong Wang, Qiangkun Zhang | 2017-12-26 |
| 9838798 | Long stroke speaker | Lubin Mao | 2017-12-05 |
| 9838795 | Speaker | Lubin Mao, Shun Guo | 2017-12-05 |
| 9820052 | Speaker | Lubin Mao, Cheng Zhou | 2017-11-14 |
| 9820051 | Electromagnetic speaker | Lubin Mao, Shun Guo, Fei Hou | 2017-11-14 |
| 9819295 | Time control system and time control method for multiple motors | Xiaofei Hu, Yao-Chi Wang | 2017-11-14 |
| 9813822 | Vibration speaker | Rongguan Zhou | 2017-11-07 |
| 9807508 | Long stroke speaker | Shun Guo, Lubin Mao | 2017-10-31 |
| 9807512 | Speaker | Lubin Mao, Shun Guo | 2017-10-31 |
| 9807509 | Speaker | Lubin Mao, Jiwei Ge | 2017-10-31 |
| 9806655 | Signal generating method for accurately controlling a motor | Xiaofei Hu, Yao-Chi Wang | 2017-10-31 |
| 9774955 | Speaker | Lubin Mao, Shun Guo | 2017-09-26 |
| 9774289 | Method for driving vibrating motor | — | 2017-09-26 |
| 9774956 | Speaker | Lubin Mao | 2017-09-26 |
| 9748884 | Multi-motor frequency control system and control method thereof | Xiaofei Hu, Yao-Chi Wang | 2017-08-29 |
| 9747762 | Electronic device with sound generator | Rongguan Zhou, Kun Tang | 2017-08-29 |
| 9716949 | Panel-form loudspeaker | Rongguan Zhou, Lubin Mao | 2017-07-25 |
| 9716458 | Multi-motor driving device and method for driving same | Xiaofei Hu, Yao-Chi Wang | 2017-07-25 |
| 9706311 | Speaker | Lubin Mao | 2017-07-11 |
| 9681005 | Mobile communication device and prompting method thereof | — | 2017-06-13 |
| 9674612 | Vibration member and sound generating device using same | Lubin Mao | 2017-06-06 |
| 9674330 | Method of improving sound quality of mobile communication terminal under receiver mode | Bingke Zhu | 2017-06-06 |
| 9621993 | Electromagnetic speaker | Shun Guo, Lubin Mao, Fei Hou | 2017-04-11 |
| 9621992 | Speaker | Lubin Mao | 2017-04-11 |
| 9591391 | Vibration speaker | Lin Liu, Jie He, Rongguan Zhou, Yun Tang, Gang Li +1 more | 2017-03-07 |