Cerritos, California
United States
5
2019-11-26
The entities that hold a legal rights for patent applications filed by inventor Na Chen:
Chen Na from Cerritos, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Acoustic in ear detection for a hearable device
#2 | 2019-04-04MANAGING DEVICE POWER ON SEQUENCES AND COMMUNICATIONS CONTROL FOR WIRELESS POWER TRANSFER
#3 | 2019-03-28Earbuds With Capacitive Sensors
#4 | 2019-03-28Earphones With Sensors
#5 | 2013-06-13Electric circuit for high voltage power conversion
284046 ⎘