JJ

Joong Kwon Joh

GC Goldstar Co.: 4 patents #54 of 863Top 7%
LG: 2 patents #13,302 of 26,165Top 55%
Overall (All Time): #884,456 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6014492 Video signal recording and reproducing apparatus for digital video cassette tape recorder Yung Gil Kim, Yong-Hoo Sheen, Jae Ryong Kim, Sang Joon Woo, Dong Hwa LEE +9 more 2000-01-11
5937135 Tape-independent video signal recording and reproducing apparatus Yung Gil Kim, Yong-Hoo Sheen, Jae Ryong Kim, Sang Joon Woo, Dong Hwa LEE +9 more 1999-08-10
5838875 Apparatus and method for discriminating between analog and digital video signals in high definition video cassette recorder Dohyeon Cho, Ho Won Lee, Man Chul Choi, Yong H. Shin, Yoon S. Seoh +5 more 1998-11-17
5506733 Apparatus for recording and reproducing digital and analog video signals using two analog record/reproduce heads and two digital record/reproduce heads, respectively Soo-Kil Kim, Mun Chae Joung, Yong H. Shin, Man Chul Choi, Yoon S. Seoh +1 more 1996-04-09
5453894 Automatic head cleaning apparatus for magnetic recording/playback system Su Kon Kim 1995-09-26
5452169 Variable bulge device for rotatable head drum Soo-Kil Kim, Mun Chae Joung, Ho Won Lee, Yoon S. Seoh, Seung Il Kim +3 more 1995-09-19