JC

Jeong-Sik Chang

Samsung: 1 patents #49,284 of 75,807Top 70%
📍 Haepyeong-myeon, KR: #134 of 240 inventorsTop 60%
Overall (All Time): #3,656,139 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5933485 Call reservation technique for a subscriber of another exchange utilizing a no. 7 signal Byung-Hae Jung 1999-08-03