JC

Jui-Chieh Cheng

TC Tong Lung Metal Industry Co.: 4 patents #24 of 49Top 50%
📍 Dingshanjiao, TW: #25 of 54 inventorsTop 50%
Overall (All Time): #1,085,311 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12387862 Electronic lock Chun-Yi Fang, Pai-Hsiang CHUANG, Ding-Sian CAI 2025-08-12
D1084819 Electronic lock Ju-Lin Yang, Yu Lin 2025-07-22
D1084825 Electronic lock Yu Lin, Ju-Lin Yang 2025-07-22
12324071 Electronic lock Pai-Hsiang CHUANG, Chen-Ming Lin, Ding-Sian CAI, Chun-Yi Fang, Matt Zimmer 2025-06-03