Inventor
CHOI DO-YOUNG
KR29 patents
⚠️ This page may combine multiple inventors who share the name “CHOI DO-YOUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
22 patentsUS6449118B1Sep 10, 2002
Magnetic recording/reproducing apparatus
SAMSUNG ELECTRONICS CO LTD34 citations92
US6736351B2May 18, 2004
Tape guide device for magnetic recording/reproducing apparatus
SAMSUNG ELECTRONICS CO LTD7 citations73
US6369991B1Apr 9, 2002
Head drum apparatus
SAMSUNG ELECTRONICS CO LTD9 citations73
US5636079AJun 3, 1997
Loading apparatus for tape recorders and having a structure for moving a sub-chassis
SAMSUNG ELECTRONICS CO LTD10 citations73
US5485324AJan 16, 1996
Double-deck camcorder with perpendicularly installed head drum
SAMSUNG ELECTRONICS CO LTD8 citations65
US7139155B2Nov 21, 2006
Head drum assembly of a tape recorder having a resilient body to preload bearings thereof
SAMSUNG ELECTRONICS CO LTD4 citations62
US7126793B2Oct 24, 2006
Head drum assembly for a tape recorder
SAMSUNG ELECTRONICS CO LTD3 citations62
US7092201B2Aug 15, 2006
Tape deck mechanism with main cam gear moving sub-deck, pole base loading unit, brake unit and main sliding memeber
SAMSUNG ELECTRONICS CO LTD2 citations62
US7038879B2May 2, 2006
Electric power supply device of a tape-end detecting sensor for a tape recorder
SAMSUNG ELECTRONICS CO LTD3 citations62
US5704563AJan 6, 1998
Reel-table driving mechanism with idler friction wheel and reel friction wheel for use in tape recording/reproducing apparatus
SAMSUNG ELECTRONICS CO LTD2 citations62
US6487054B1Nov 26, 2002
Ground device of head drum apparatus
SAMSUNG ELECTRONICS CO LTD2 citations60
US12133393B2Oct 29, 2024
Method of manufacturing semiconductor device
SAMSUNG ELECTRONICS CO LTD0 citations57
US12507483B2Dec 23, 2025
Semiconductor device and method for manufacturing the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US12389584B2Aug 12, 2025
Semiconductor memory devices and methods for manufacturing the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US7466512B2Dec 16, 2008
Electric power supply device of a tape-end detecting sensor for a tape recorder
SAMSUNG ELECTRONICS CO LTD1 citations52
US7035043B2Apr 25, 2006
Moving deck plate for camcorder
SAMSUNG ELECTRONICS CO LTD1 citations52
US12243754B2Mar 4, 2025
Semiconductor device and a method of manufacturing the semiconductor device
SAMSUNG ELECTRONICS CO LTD0 citations51
US7280318B2Oct 9, 2007
Head drum assembly for a tape recorder
SAMSUNG ELECTRONICS CO LTD1 citations51
US7079351B2Jul 18, 2006
Magnetic tape guiding device for use with a tape transport system of a tape recorder and method for using the same
SAMSUNG ELECTRONICS CO LTD1 citations51
US6971603B2Dec 6, 2005
Reel brake assembly for a magnetic recording/reading apparatus
SAMSUNG ELECTRONICS CO LTD1 citations51
US12230630B2Feb 18, 2025
Semiconductor devices having highly integrated sheet and wire patterns therein
SAMSUNG ELECTRONICS CO LTD0 citations48
US5427326AJun 27, 1995
Tape rewinding device for magnetic recording and reproducing apparatus
SAMSUNG ELECTRONICS CO LTD0 citations45