HJ

Hak-hyun Jang

Samsung: 2 patents #37,631 of 75,807Top 50%
Overall (All Time): #2,282,944 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5579175 Actuator for optical equipment capable of reducing the number of coils to necessary to move an objective lens in a tracking direction and a focusing direction Chun-dong Kim 1996-11-26
5285434 Objective lens driving apparatus for optical pickup Chun-dong Kim, Yeong-Kuk Yun 1994-02-08