Patents/Inventors

Hongqiang Zhao

BeijingCN3 patents

3 Patents

US125877792026
Speakers
KING TONE INNOVATION (BEIJING) TECHNOLOGY Co. Ltd.
0 cites
US122129162025
Headphones
SHENZHEN SHOKZ CO., Ltd.
0 cites
US119685062024
Speakers
KING TONE INNOVATION (BEIJING) TECHNOLOGY Co. Ltd.
0 cites