Inventor · disambiguated record
Hak Kyu Lee
Also filed as: LEE HAK-KYU
24 granted patents·2 pending applications·518 citations·filing 1994–2015
96Inventor score
Files withKOREA ELECTRONICS TELECOMM20CHEM OPTICS INC1CHEMOPTICS INC1ELECTRONICS AND TELECOMMUICATI1HYUNDAI MOBIS CO LTD1
Top patents by PatentIndex Score
26 records- 0190US5812567AWavelength tunable mode-locking optical fiber laserKOREA ELECTRONICS TELECOMM·Filed 1997·Granted Sep 22, 1998·89 cites·3 claims
- 0289US6426965B1Optical fiber cascaded Raman laser schemeKOREA ELECTRONICS TELECOMM·Filed 2000·Granted Jul 30, 2002·31 cites·8 claims
- 0384US6459846B1Complex rare-earths doped optical waveguideKOREA ELECTRONICS TELECOMM·Filed 2000·Granted Oct 1, 2002·22 cites·11 claims
- 0481US5524118AWavelength-varying multi-wavelength optical filter laser using a single pump light sourceKOREA ELECTRONICS TELECOMM·Filed 1994·Granted Jun 4, 1996·42 cites·3 claims
- 0578US6560251B1Mode-locked laser stabilizing apparatus and method thereofKOREA ELECTRONICS TELECOMM·Filed 2000·Granted May 6, 2003·15 cites·6 claims
- 0675US5734665AOptical fiber laserKOREA ELECTRONICS TELECOMM·Filed 1996·Granted Mar 31, 1998·42 cites·2 claims
- 0774US6298074B1Mode-locked fiber laser and fiber amplifier using single pump laserKOREA ELECTRONICS TELECOMM·Filed 2000·Granted Oct 2, 2001·16 cites·7 claims
- 0872US5999545AOptical fiber laser and a method of locking a combined mode utilizing thereofKOREA ELECTRONICS TELECOMM·Filed 1997·Granted Dec 7, 1999·36 cites·3 claims
- 0971US8428460B2Wavelength division multiplexing passive optical network having multiple branches of optical distributionLEE CHANG-HEE·Filed 2005·Granted Apr 23, 2013·4 cites·11 claims
- 1071US6556596B1Apparatus for generating an optical fiber laser capable of tuning a wavelength thereofKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Apr 29, 2003·35 cites·6 claims
- 1169US6160627AOptical fiber Mach-Zehnder interferometer filterKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Dec 12, 2000·33 cites·4 claims
- 1266US5828680AHybrid type passively and actively mode-locked laser schemeELECTRONICS AND TELECOMMUICATI·Filed 1996·Granted Oct 27, 1998·32 cites·7 claims
- 1363US6097861AMulti-wavelength channel transmission filterKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Aug 1, 2000·24 cites·7 claims
- 1456US6101027AAll-optical wavelength converter using a semiconductor optical amplifier and a polarization interferometerKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Aug 8, 2000·22 cites·2 claims
- 1554US5592319AAll-optical signal processing apparatus of non-linear fiber loop mirror typeKOREA ELECTRONICS TELECOMM·Filed 1994·Granted Jan 7, 1997·21 cites·1 claims
- 1649US5774217AMeasurement of nonlinear refractive index coefficient of optical fiber by Sagnac interferometerKOREA ELECTRONICS TELECOMM·Filed 1996·Granted Jun 30, 1998·13 cites·3 claims
- 1747US9008912B2Rear camera system for vehicle having parking guide function and parking guide system using the sameHYUNDAI MOBIS CO LTD·Filed 2013·Granted Apr 14, 2015·0 cites·14 claims
- 1846US9817190B2Tunable wavelength filter with embedded metal temperature sensor and its application to external-cavity type tunable wavelength laserCHEMOPTICS INC·Filed 2014·Granted Nov 14, 2017·0 cites·12 claims
- 1942US6266458B1Tunable optical filtering system using fiber-optic polarimetric interferometerKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Jul 24, 2001·9 cites·3 claims
- 2041US6404788B1Cr and Yb codoped optical material systems for enhanced infrared fluorescence emission and their application schemesKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Jun 11, 2002·9 cites·17 claims
- 2140US6055345AMulti-wavelength channel transmission-type optical filterKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Apr 25, 2000·8 cites·3 claims
- 2237US2002001125A1Optical device for generating a plurality of optical signalsFiled 2001·Application pending·0 cites
- 2336US6256432B1Polarization independent all-optical demultiplexerKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Jul 3, 2001·8 cites·10 claims
- 2434US6266145B1Apparatus for measurement of an optical pulse shapeKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Jul 24, 2001·5 cites·4 claims
- 2531US6538804B1Planar waveguide-type optical amplifier switchKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Mar 25, 2003·2 cites·5 claims
- 2624US2017093118A1External cavity type tunable wavelength laser module for to-can packagingCHEM OPTICS INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →