Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292401 | Weld portion inspection method using thermal image sensing | Hang-June Choi | 2025-05-06 |
| 8508505 | Virtual optical input device for providing various types of interfaces and method of controlling the same | Yun Sup Shin, Yung Woo Jung, Young Hwan Joo, In Ho Choi, Jeong Uk Lee +1 more | 2013-08-13 |
| 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 |
| 5775616 | Tape tension control apparatus for video cassette tape recorder | Kwan Bo Sim | 1998-07-07 |
| 5555097 | Television-integrated video cassette recorder apparatus | Young-Jun Choi, Kwan-Bo Shim, Do-Hyun Cho, Seung Il Kim, Byoung K. Yoo | 1996-09-10 |
| 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, Yong H. Shin, Man Chul Choi, Yoon S. Seoh, Soon Ki Lim +1 more | 1996-04-09 |
| 5460334 | Tape tension control apparatus for video cassette recorder | — | 1995-10-24 |
| 5452169 | Variable bulge device for rotatable head drum | Joong Kwon Joh, Soo-Kil Kim, Ho Won Lee, Yoon S. Seoh, Seung Il Kim +3 more | 1995-09-19 |