Inventor
CHOI SOON-CHEOL
KR26 patents
⚠️ This page may combine multiple inventors who share the name “CHOI SOON-CHEOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEKONIX CO LTD
14 patentsUS7224537B2May 29, 2007
Diffusion lens for diffusing LED light
SEKONIX CO LTD25 citations92
US7558006B2Jul 7, 2009
Laminated lens
SEKONIX CO LTD10 citations79
US12174344B2Dec 24, 2024
Small lens system for TOF
SEKONIX CO LTD0 citations59
US11036034B2Jun 15, 2021
Telephoto lens system
SEKONIX CO LTD0 citations57
US12306384B2May 20, 2025
Small wide-angle lens system
SEKONIX CO LTD0 citations56
US11454785B2Sep 27, 2022
Small lens system including eight lenses of −+−+−++− refractive powers
SEKONIX CO LTD0 citations51
US11454786B2Sep 27, 2022
Small lens system including seven lenses of +-+-+-0 refractive powers on the optical axis
SEKONIX CO LTD0 citations51
US11409081B2Aug 9, 2022
Small lens system including seven lenses of ++−+++− or −+−+++− refractive powers
SEKONIX CO LTD0 citations51
US12498545B2Dec 16, 2025
Small lens system
SEKONIX CO LTD0 citations50
US12339423B2Jun 24, 2025
Small lens system for developing close tolerance
SEKONIX CO LTD0 citations50
US12235412B2Feb 25, 2025
Small lens system for TOF
SEKONIX CO LTD0 citations49
US11125977B2Sep 21, 2021
High-resolution wide angle lens system
SEKONIX CO LTD0 citations48
US11119297B2Sep 14, 2021
Small wide-angle lens system having six lenses of −+−++− or ++−++− refractive powers
SEKONIX CO LTD0 citations47
US11099361B2Aug 24, 2021
Small lens system comprising five lenses of +—+ refractive powers
SEKONIX CO LTD0 citations47
SAMSUNG ELECTRONICS CO LTD
11 patentsUS6188523B1Feb 13, 2001
Projection lens unit for projector
SAMSUNG ELECTRONICS CO LTD67 citations96
US6781731B2Aug 24, 2004
Micromirror device and projector employing the same
SAMSUNG ELECTRONICS CO LTD47 citations92
US6666557B1Dec 23, 2003
Reflection type projector
SAMSUNG ELECTRONICS CO LTD39 citations92
US6457830B1Oct 1, 2002
Reflection-type projector
SAMSUNG ELECTRONICS CO LTD32 citations92
US6417820B1Jul 9, 2002
Head mounted display and optical system for use in HMD
SAMSUNG ELECTRONICS CO LTD24 citations92
US5321551AJun 14, 1994
Projection lens apparatus for rear projection television
SAMSUNG ELECTRONICS CO LTD46 citations92
US6299312B1Oct 9, 2001
Reflection type projector
SAMSUNG ELECTRONICS CO LTD34 citations91
US5918968AJul 6, 1999
Illuminating device for projector
SAMSUNG ELECTRONICS CO LTD18 citations84
US5694164ADec 2, 1997
Three-dimensional picture projecting device
SAMSUNG ELECTRONICS CO LTD13 citations73
US5565673AOct 15, 1996
Optical reception device of remote controller having improved optical efficiency
SAMSUNG ELECTRONICS CO LTD5 citations62
US5249006ASep 28, 1993
High power magnifying projector
SAMSUNG ELECTRONICS CO LTD1 citations52