HL

Hak Kyu Lee

KAIST: 20 patents #606 of 11,619Top 6%
CO Chem Optics: 1 patents #8 of 20Top 40%
EI Electric And Telecommunications Research Institute: 1 patents #158 of 779Top 25%
HC Hyundai Mobis Co.: 1 patents #729 of 1,496Top 50%
LC Lg-Nortel Co.: 1 patents #7 of 76Top 10%
Overall (All Time): #174,120 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
9817190 Tunable wavelength filter with embedded metal temperature sensor and its application to external-cavity type tunable wavelength laser Jun Kyu SEO, Woo Jin Lee, Kyoung Min Kim 2017-11-14
9008912 Rear camera system for vehicle having parking guide function and parking guide system using the same 2015-04-14
8428460 Wavelength division multiplexing passive optical network having multiple branches of optical distribution Chang Hee Lee, Dong Sung Lim 2013-04-23
6560251 Mode-locked laser stabilizing apparatus and method thereof Min Yong Jeon, Dong Sung Lim, Joon Tae Ahn, Do-Il Chang, Kyong Hon Kim 2003-05-06
6556596 Apparatus for generating an optical fiber laser capable of tuning a wavelength thereof Ho-Young Kim, Do-Il Chang, Kyong Hon Kim 2003-04-29
6538804 Planar waveguide-type optical amplifier switch Kyong Hon Kim, Yong Gyu Choi, Min Yong Jeon, Joon Tae Ahn, Dong Sung Lim +2 more 2003-03-25
6459846 Complex rare-earths doped optical waveguide Yong Gyu Choi, Dong Sung Lim, Kyong Hon Kim 2002-10-01
6426965 Optical fiber cascaded Raman laser scheme Do-Il Chang, Min Yong Jeon, Kyong Hon Kim 2002-07-30
6404788 Cr and Yb codoped optical material systems for enhanced infrared fluorescence emission and their application schemes Yong Gyu Choi, Kyong Hon Kim, Dong Sung Lim 2002-06-11
6298074 Mode-locked fiber laser and fiber amplifier using single pump laser Min Yong Jeon, Seung-Beom Kang, Kyong Hon Kim 2001-10-02
6266145 Apparatus for measurement of an optical pulse shape Dong Sung Lim, Min Yong Jeon, Joon Tae Ahn, Kyong Hon Kim 2001-07-24
6266458 Tunable optical filtering system using fiber-optic polarimetric interferometer Joon Tae Ahn, Min Yong Jeon, Dong Sung Lim, Kyong Hon Kim 2001-07-24
6256432 Polarization independent all-optical demultiplexer Min Yong Jeon, Dong Sung Lim, Joon Tae Ahn, Kyoung-Hon Kim 2001-07-03
6160627 Optical fiber Mach-Zehnder interferometer filter Joon Tae Ahn, Min Yong Jeon, Dong Sung Lim, Kyong Hon Kim, El-Hang Lee 2000-12-12
6101027 All-optical wavelength converter using a semiconductor optical amplifier and a polarization interferometer Kyong Hon Kim, Joon Tae Ahn, Min Yong Jeon, Dong Sung Lim, Ho-Young Kim 2000-08-08
6097861 Multi-wavelength channel transmission filter Kyong Hon Kim, Joon Tae Ahn, El-Hang Lee 2000-08-01
6055345 Multi-wavelength channel transmission-type optical filter Joon Tae Ahn, Kyong Hon Kim, El-Hang Lee 2000-04-25
5999545 Optical fiber laser and a method of locking a combined mode utilizing thereof Min Yong Jeon, Kyong Hon Kim, El-Hang Lee 1999-12-07
5828680 Hybrid type passively and actively mode-locked laser scheme Kyong Hon Kim, Seo-Yeon Park, Min Yong Jeon 1998-10-27
5812567 Wavelength tunable mode-locking optical fiber laser Min Yong Jeon, Kyong Hon Kim, El-Hang Lee 1998-09-22
5774217 Measurement of nonlinear refractive index coefficient of optical fiber by Sagnac interferometer Kyong Hon Kim, Seo-Yeon Park, El-Hang Lee 1998-06-30
5734665 Optical fiber laser Min Yong Jeon, Wang-Yuhl Oh, Kyong Hon Kim, El-Hang Lee 1998-03-31
5592319 All-optical signal processing apparatus of non-linear fiber loop mirror type Kyong Hon Kim, Seo-Yeon Park, El-Hang Lee 1997-01-07
5524118 Wavelength-varying multi-wavelength optical filter laser using a single pump light source Kyong Hon Kim, Seo-Yeon Park, El-Hang Lee 1996-06-04