Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10411747 | Case having battery box for smart phone/tablet | Davy Zide Qian, Benyu Qian | 2019-09-10 |
| 10305530 | Case having holder for tablet/mobile phone | Davy Zide Qian, Benyu Qian | 2019-05-28 |
| 10128891 | Mobile phone / tablet shell with finger grasping ring | Davy Zide Qian, Benyu Qian | 2018-11-13 |
| 10105016 | Portable water and energy saving bathtub | Davy Zide Qian, Benyu Qian | 2018-10-23 |
| 9940809 | Smart phone having function of preventing to leave children in car | Davy Zide Qian, Benyu Qian | 2018-04-10 |
| 9873380 | Interior side mirror for side blind spot of a car | Davy Zide Qian, Benyu Qian | 2018-01-23 |
| 9494251 | Two-way valve with secure structure for dispensing large bottle of carbonated beverage into vial | Davy Zide Qian, Benyu Qian | 2016-11-15 |
| 8884748 | Method for avoiding children to be left in car alone and device thereof | Davy Zide Qian, Nicole Minhui Lu, Benyu Qian | 2014-11-11 |
| 8432271 | Driver alarm for preventing children from being left in car | Davy Zide Qian, Nicole Minhui Lu, Benyu Qian | 2013-04-30 |