Learn more

LGS CORP LTD

Overview
  • Total Patents
    81
About

LGS CORP LTD has a total of 81 patent applications. Its first patent ever was published in 1999. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets optics, machines and audio-visual technology are SMARTLIGHT LTD, U S A KAIFA TECHNOLOGY INC and HONG QI.

Patent filings per year

Chart showing LGS CORP LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shim Yong Shig 28
#2 Shim Young Shig 23
#3 Cho Sung Min 19
#4 Kim Young Il 17
#5 Shim Yong-Shig 14
#6 Ahn Jun Won 12
#7 Cho Sung-Min 12
#8 Hwang Woong Lin 9
#9 Jeong Jae Wan 9
#10 Lee Eun Mi 7

Latest patents

Publication Filing date Title
KR100817768B1 Optical film, liquid crystal display device having the same
KR100835144B1 Optical sheet and its manufacturing method
KR100841447B1 Optical film and lighting device having the same
KR100805796B1 Security film for display and manufacturing method thereof
KR100835556B1 Method for manufacturing cholesteric reflective plarizer with quater wave plate, and reflective plarizer therefrom
KR100813165B1 Method for manufacturing reflective plarizer and enhanced alignment of liquid crystal
KR100786118B1 Backlight unit having foam resin diffusive layer
KR100779696B1 Wave retardation plate
KR100753591B1 Security film for display and manufacturing method thereof
WO2007089073A1 Diffraction grating and method of fabrication thereof
KR100703951B1 Wave selection type diffractive optical elements and manufacturing method thereof
KR100703953B1 Optical film and lighting device having the same
KR100779693B1 Wave selection type diffractive optical elements and optical pickup device has them
KR100772673B1 Narrowband wavelength plate
KR20080008836A Broadband wavelength plate
KR100616072B1 Broad band phase shifter and optical device and optical head device with the same
KR100636690B1 Surface light source device for lcd
KR20070074879A Display device
KR20070073445A Lenticular lc shutter for 2d/3d image display and diplay device having the same
KR100616104B1 Random vibration wave retardation plate and optical film and/or optical pickup device has them