SJ

Sung-Kwon Jang

KM Korea Institute Of Machinery & Materials: 3 patents #111 of 729Top 20%
LG: 1 patents #17,402 of 26,165Top 70%
Overall (All Time): #1,203,776 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9517508 Convergence machining apparatus based on turning Jong-Kweon Park, Seung Kook Ro, Byung-Sub Kim, Sung Cheul Lee, Gyung Ho Khim +1 more 2016-12-13
9333559 Convergence machining apparatus based on turning Jong-Kweon Park, Seung Kook Ro, Byung-Sub Kim, Sung Cheul Lee, Kyung-Han Kim 2016-05-10
8914957 Capsule type reconfigurable multifunctional machining apparatus Jong-Kweon Park, Sung Cheul Lee, Byung-Sub Kim, Seung Kook Ro 2014-12-23
7539527 Apparatus and method for matching antenna of mobile communication terminal Jin-Sik Yun 2009-05-26