Patents/Inventors

Hsiu-cheng Chang

TaipeiTW2 patents

3 Patents

US124163102025
Magnetically Attracted Fan Set
SEA SONIC ELECTRONICS CO., Ltd.
0 cites
USD10416362024
Magnetic Fan
SEA SONIC ELECTRONICS CO., Ltd.
0 cites
US116586102023
Photoelectric Energy Conversion Device
SEA SONIC ELECTRONICS CO., Ltd.
0 cites