DC

Do Young Choi

Samsung: 31 patents #3,891 of 75,807Top 6%
MC Medicoson Co.: 3 patents #26 of 122Top 25%
IF Inu Research & Business Foundation: 1 patents #9 of 19Top 50%
📍 Seoul, KR: #1,249 of 39,741 inventorsTop 4%
Overall (All Time): #84,245 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5704563 Reel-table driving mechanism with idler friction wheel and reel friction wheel for use in tape recording/reproducing apparatus 1998-01-06
5636079 Loading apparatus for tape recorders and having a structure for moving a sub-chassis 1997-06-03
5600507 Power transmission device for tape recorder Gun C. Park, Ohashi Masaharu, Jae-kab Seo 1997-02-04
5568338 Tape rewinding mechanism for magnetic recording/reproducing apparatus Gun C. Park, Young-Ho Cho 1996-10-22
5523907 Door mechanism for a tape recorder Jae-kab Seo, Young-Ho Cho 1996-06-04
5511738 Idler controlling apparatus of a magnetic recording/reproducing apparatus Jae-kab Seo, Gun C. Park 1996-04-30
5508858 Power transferring device for magnetic recording and reproducing apparatus using an electromagnetic plunger Gun C. Park, Jae-kab Seo 1996-04-16
5495373 Reel-guide apparatus of a magnetic recording/reproducing apparatus having cassette reel holding chassis which is lowered to a position on a lower chassis Jae-kab Seo, Young-Ho Cho 1996-02-27
5485324 Double-deck camcorder with perpendicularly installed head drum In Rok Do 1996-01-16
5467234 Idler controlling apparatus of a magnetic recording/reproducing apparatus Gun C. Park, Young-Ho Cho 1995-11-14
5461522 Housing apparatus for a tape recorder and which includes a slidable cassette holder positioned on a plate member via a lever member Jae-kab Seo 1995-10-24
5450259 Cassette lid opening and closing system for magnetic recording and reproducing apparatus Young-Ho Cho, Jae-kab Seo 1995-09-12
5427326 Tape rewinding device for magnetic recording and reproducing apparatus Young-Ho Cho, Gun C. Park 1995-06-27