Inventor

LEE HEE CHEONG

KR4 patents

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

PARK JUN-SANG

1 patent

US8836896B2Sep 16, 2014

Optical sheet for controlling the direction of a light ray

PARK JUN-SANG2 citations58

KIM SANG PIL

1 patent

US8616755B2Dec 31, 2013

Light guide plate for surface light source device and backlight unit using the same

KIM SANG PIL2 citations57

LEE HEE-CHEONG

1 patent

US8510951B2Aug 20, 2013

Method for producing a lens pattern on roll

LEE HEE-CHEONG4 citations55

KOLON INC

1 patent

US7622524B2Nov 24, 2009

Preparation of acrylic polymer sol for coating

KOLON INC0 citations36