Patents/Inventors

Qianjun Yan

HangzhouCN9 patents

7 Patents

USD11212082026
Chandelier with Branches
HANGZHOU HANGKE OPTOELECTRONICS CO., Ltd.
0 cites
US123262472025
Light Tubes, Light Fixtures, and Light Bodies
HANGZHOU HANGKE OPTOELECTRONICS CO., Ltd.
0 cites
USD10367122024
Light
Hangzhou Hangke Optoelectronics Co., Ltd.
0 cites
US118987272024
Line Lamp
Hangzhou Hangke Optoelectronics Co., Ltd.
0 cites
US116620652023
Manufacturing Method of LED Filament and Manufacturing Method of Bulb
Hangzhou Hangke Optoelectronics Co., Ltd.
0 cites
US116193572023
LED Filament and Bulb
Hangzhou Hangke Optoelectronics Co., Ltd.
0 cites
US116142212023
Lamp
Hangzhou Hangke Optoelectronics Co., Ltd.
0 cites