Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11998485 | Ophthalmic surgical apparatus | Hung Won Chah, Woon Jung Cho | 2024-06-04 |
| 6014492 | Video signal recording and reproducing apparatus for digital video cassette tape recorder | Yung Gil Kim, Yong-Hoo Sheen, Joong Kwon Joh, Jae Ryong Kim, Sang Joon Woo +9 more | 2000-01-11 |
| 5937135 | Tape-independent video signal recording and reproducing apparatus | Yung Gil Kim, Yong-Hoo Sheen, Joong Kwon Joh, Jae Ryong Kim, Sang Joon Woo +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 |