Inventor · disambiguated record
Keun Y. Yang
Also filed as: YANG KEUN Y · YANG KEUN YOUNG
29 granted patents·705 citations·filing 1988–2018
97Inventor score
Top patents by PatentIndex Score
29 records- 0195US4978202ALaser scanning system for displaying a three-dimensional color imageGOLD STAR CO·Filed 1989·Granted Dec 18, 1990·133 cites·5 claims
- 0294US5109427AFingerprint recognition device using a hologramGOLD STAR CO·Filed 1990·Granted Apr 28, 1992·250 cites·5 claims
- 0385US5768031AObjective lensLG ELECTRONICS INC·Filed 1996·Granted Jun 16, 1998·43 cites·68 claims
- 0471US6166835AHolographic memoryLG ELECTRONICS INC·Filed 1999·Granted Dec 26, 2000·22 cites·8 claims
- 0571US4999482AOptical scanning system for a bar code readerGOLD STAR CO·Filed 1989·Granted Mar 12, 1991·33 cites·3 claims
- 0668US6043911AOptical source module with two wavelengths and optical pickup apparatus using the sameLG ELECTRONICS INC·Filed 1998·Granted Mar 28, 2000·31 cites·9 claims
- 0766US5644563AOptical pickup systemLG ELECTRONICS INC·Filed 1995·Granted Jul 1, 1997·20 cites·12 claims
- 0865US5483509AOptical pick-up device with error detection using P-waveGOLD STAR CO·Filed 1994·Granted Jan 9, 1996·15 cites·13 claims
- 0962US6038204AOptical source module for generating beams with different wavelengthsLG ELECTRONICS INC·Filed 1997·Granted Mar 14, 2000·15 cites·32 claims
- 1060US5638352AOptical pickup deviceGOLD STAR CO·Filed 1995·Granted Jun 10, 1997·15 cites·10 claims
- 1154US6293898B1Holographic memoryLG ELECTRONICS INC·Filed 1999·Granted Sep 25, 2001·15 cites·18 claims
- 1254US5189482AOptical apparatus for fingerprint recognition systemGOLD STAR CO·Filed 1991·Granted Feb 23, 1993·28 cites·5 claims
- 1351US5568457AOptical pickup system for reading or writing information on disk using hologram device and wollaston prismLG ELECTRONICS INC·Filed 1995·Granted Oct 22, 1996·10 cites·11 claims
- 1451US4979123AApparatus for determining concentrations of mineral elementsGOLD STAR CO·Filed 1988·Granted Dec 18, 1990·13 cites·5 claims
- 1549US5493425AOptical pickup apparatus having a quadrant hologram and a quadrant photo detectorGOLD STAR CO·Filed 1993·Granted Feb 20, 1996·7 cites·6 claims
- 1648US5594712AOptical pickup system with five longitudinal splitted detection areas to prevent information reproducing error by wavelength variationsLG ELECTRONICS INC·Filed 1995·Granted Jan 14, 1997·8 cites·3 claims
- 1748US5553050AOptical pickup systemGOLD STAR CO·Filed 1995·Granted Sep 3, 1996·8 cites·9 claims
- 1847US5028771ABar code readerGOLD STAR CO·Filed 1990·Granted Jul 2, 1991·13 cites·4 claims
- 1942US6025953AAnnular shutter mirrorLG ELECTRONICS INC·Filed 1997·Granted Feb 15, 2000·5 cites·10 claims
- 2042US5504724AOptical pick-up system with servo using reflection plate having apertureGOLD STAR CO·Filed 1993·Granted Apr 2, 1996·5 cites·1 claims
- 2137US10823903B2Lighting member using light-guiding filmEXA ELECTRONICS CO LTD·Filed 2017·Granted Nov 3, 2020·0 cites·23 claims
- 2236US5253087AHolographic laser beam scanning apparatusGOLD STAR CO·Filed 1991·Granted Oct 12, 1993·5 cites·3 claims
- 2335US10969081B2Multi-sided luminous lighting member and three-dimensional lighting device using sameEXAOPTONIX INC·Filed 2018·Granted Apr 6, 2021·0 cites·15 claims
- 2435US5426630AOptical pickup systemGOLD STAR CO·Filed 1994·Granted Jun 20, 1995·2 cites·8 claims
- 2535US5274478ADisplayer with hologramsGOLD STAR CO·Filed 1991·Granted Dec 28, 1993·5 cites·4 claims
- 2632US5245442AMulti-functional laser printerGOLD STAR CO·Filed 1990·Granted Sep 14, 1993·2 cites·18 claims
- 2731US5140343ACompositive functional laser printerGOLD STAR CO·Filed 1990·Granted Aug 18, 1992·1 cites·5 claims
- 2830US5909293AHologram unit of optical pickup and method of attaching hologram plate using the sameLG ELECTRONICS INC·Filed 1996·Granted Jun 1, 1999·0 cites·2 claims
- 2930US5309261AOptical system for laser beam scannerGOLD STAR CO·Filed 1992·Granted May 3, 1994·1 cites·3 claims
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