P

Inventor

LEE CHUL WOO

KR206 patents
⚠️ This page may combine multiple inventors who share the name “LEE CHUL WOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG ELECTRONICS CO LTD

42 patents
US7301530B2Nov 27, 2007

Pointer control method, pointing apparatus, and host apparatus therefor

SAMSUNG ELECTRONICS CO LTD73 citations98
US6222812B1Apr 24, 2001

Optical pickup using an optical phase plate

SAMSUNG ELECTRONICS CO LTD60 citations96
US5903536AMay 11, 1999

Objective lens device, optical pickup adopting the same and method for manufacturing an objective lens

SAMSUNG ELECTRONICS CO LTD54 citations96
US5665957ASep 9, 1997

Lens device comprising light blocking means and an optical pickup apparatus using the lens device

SAMSUNG ELECTRONICS CO LTD94 citations96
US6650469B2Nov 18, 2003

Objective lens formed of a single lens and having high numerical aperture and an optical pickup apparatus adopting the same

SAMSUNG ELECTRONICS CO LTD22 citations93
US6547398B2Apr 15, 2003

Projection-type image display apparatus and method

SAMSUNG ELECTRONICS CO LTD28 citations93
US6449237B1Sep 10, 2002

Optical recording and pickup head for digital versatile disc compatible with read-writable compact disc by adopting flat plate lens having staircase type diffraction grating structure

SAMSUNG ELECTRONICS CO LTD20 citations93
US6363046B1Mar 26, 2002

Optical recording/pickup head compatible with a digital versatile disk (DVD) and a recordable compact disk (CD-R) using a holographic variable aperture

SAMSUNG ELECTRONICS CO LTD34 citations93
US6304540B1Oct 16, 2001

Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens

SAMSUNG ELECTRONICS CO LTD23 citations93
US6285646B1Sep 4, 2001

Optical pickup using objective lens compatible with a plurality of optical disks

SAMSUNG ELECTRONICS CO LTD33 citations93
US6091691AJul 18, 2000

Optical pickup having an objective lens compatible with a plurality of optical disk formats

SAMSUNG ELECTRONICS CO LTD38 citations93
US6088170AJul 11, 2000

Optical system for shaping light beams and an optical pickup employing the same

SAMSUNG ELECTRONICS CO LTD23 citations93
US6081498AJun 27, 2000

Optical pickup compatible with recordable compact disk and digital video disk using plane parallel plates

SAMSUNG ELECTRONICS CO LTD30 citations93
US6043912AMar 28, 2000

Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens

SAMSUNG ELECTRONICS CO LTD45 citations93
US6009066ADec 28, 1999

Optical pickup of two different wavelength laser sources with an objective lens having an annular shielding region

SAMSUNG ELECTRONICS CO LTD27 citations93
US5909424AJun 1, 1999

Optical pickup device and method to read from and record information to disks of different thicknesses

SAMSUNG ELECTRONICS CO LTD22 citations93
US5872760AFeb 16, 1999

Optical pickup for correcting an astigmatic difference of light

SAMSUNG ELECTRONICS CO LTD23 citations93
US5870369AFeb 9, 1999

Objective lens device including an objective lens and a transparent member having two light control portions and optical pickup using the objective lens device

SAMSUNG ELECTRONICS CO LTD20 citations93
US5822135AOct 13, 1998

Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device

SAMSUNG ELECTRONICS CO LTD22 citations93
US5703862ADec 30, 1997

Dual focus objective lens with two curvatures for focussing light on two different kinds of disks with different thicknesses

SAMSUNG ELECTRONICS CO LTD49 citations93
US7079171B2Jul 18, 2006

Color laser printer

SAMSUNG ELECTRONICS CO LTD21 citations92
US6791933B1Sep 14, 2004

Optical pickup using an optical phase plate

SAMSUNG ELECTRONICS CO LTD18 citations92
US6275461B1Aug 14, 2001

Optical pickup using an optical phase plate

SAMSUNG ELECTRONICS CO LTD25 citations92
US5793407AAug 11, 1998

Method and apparatus for forming a light spot smaller than a theoretical limit for high density recording

SAMSUNG ELECTRONICS CO LTD23 citations92
US5777973AJul 7, 1998

Reproducing and recording optical pickup compatible with discs having different thicknesses

SAMSUNG ELECTRONICS CO LTD37 citations92
US5734512AMar 31, 1998

Dual-focus objective lens of optical pickup

SAMSUNG ELECTRONICS CO LTD20 citations92
US5629514AMay 13, 1997

Critical angle focus error detector

SAMSUNG ELECTRONICS CO LTD23 citations92
US5526336AJun 11, 1996

Optical pickup for optical disk having multiple recording layers

SAMSUNG ELECTRONICS CO LTD71 citations92
US6337841B1Jan 8, 2002

Compatible optical pickup

SAMSUNG ELECTRONICS CO LTD49 citations91
US5933401AAug 3, 1999

Optical pickup having plural optical sources and plural optical detectors

SAMSUNG ELECTRONICS CO LTD35 citations91
US6266315B1Jul 24, 2001

Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk

SAMSUNG ELECTRONICS CO LTD23 citations90
US5699340ADec 16, 1997

Method for correcting aberration due to optical disk tilt and apparatus therefor

SAMSUNG ELECTRONICS CO LTD21 citations89
US5631893AMay 20, 1997

Multi-head device for optical disk and recording/reproducing system for multiple users utilizing the same

SAMSUNG ELECTRONICS CO LTD32 citations88
US7564654B2Jul 21, 2009

Actuator latch device for hard disk drive

SAMSUNG ELECTRONICS CO LTD13 citations84
US6567366B2May 20, 2003

Optical pickup using laser light of different wavelengths to record and reproduce information to/from a disk

SAMSUNG ELECTRONICS CO LTD18 citations84
US6430139B1Aug 6, 2002

Objective lens for high-density optical focusing, and optical pickup using the same

SAMSUNG ELECTRONICS CO LTD18 citations84
US6359850B1Mar 19, 2002

Optical pickup having catadioptric objective lens

SAMSUNG ELECTRONICS CO LTD14 citations84
US6016293AJan 18, 2000

Method of discriminating discs having different thickness and optical pickup device adopting the same

SAMSUNG ELECTRONICS CO LTD18 citations84
US5986993ANov 16, 1999

Optical pickup device having a diaphram with a predetermined aperture

SAMSUNG ELECTRONICS CO LTD17 citations84
US5805556ASep 8, 1998

Optical pickup apparatus having a holographic optical element

SAMSUNG ELECTRONICS CO LTD17 citations84
US8055506B2Nov 8, 2011

Audio encoding and decoding apparatus and method using psychoacoustic frequency

SAMSUNG ELECTRONICS CO LTD9 citations83
US7116627B2Oct 3, 2006

Compatible optical pickup device using a single light source

SAMSUNG ELECTRONICS CO LTD12 citations83

SAMSUNG ELECTRO MECH

2 patents

(unassigned)

1 patent

REALD INC

1 patent

KIM HYUN-WOOK

1 patent

MOON HAN-GIL

1 patent

LEE CHUL-WOO

1 patent

JEONG JONG-HOON

1 patent

Showing the top 50 of 206 patents by PatentIndex Score.