Inventor
LEE KWANG RYEOL
KR16 patents
⚠️ This page may combine multiple inventors who share the name “LEE KWANG RYEOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA INST SCI & TECH
7 patentsUS5611862AMar 18, 1997
Method and apparatus for manufacturing head drums coated with diamond-like carbon coating film using high-frequency plasma
KOREA INST SCI & TECH10 citations73
US5542281AAug 6, 1996
Method for testing the abrasion property and measuring friction coefficient of circumferential surface of cylindrical object and apparatus for the same
KOREA INST SCI & TECH18 citations73
US5768046AJun 16, 1998
VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same
KOREA INST SCI & TECH8 citations71
US5695565ADec 9, 1997
VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same
KOREA INST SCI & TECH7 citations71
US5938838AAug 17, 1999
VCR head drum coated with diamond-like hard carbon films and the method and apparatus for manufacturing the same
KOREA INST SCI & TECH2 citations60
US10933354B2Mar 2, 2021
Rotating type foreign substance collection equipment
KOREA INST SCI & TECH0 citations46
US10870256B2Dec 22, 2020
Hydrophilic aluminum surface body having hybrid nanostructure and manufacturing method thereof
KOREA INST SCI & TECH0 citations46
HYUNDAI MOTOR CO LTD
3 patentsUS10333155B2Jun 25, 2019
Porous medium with increased hydrophobicity and method of manufacturing the same
HYUNDAI MOTOR CO LTD0 citations51
US9923222B2Mar 20, 2018
Fuel cell with enhanced mass transfer characteristics
HYUNDAI MOTOR CO LTD0 citations51
US8703354B2Apr 22, 2014
Membrane electrode assembly with enhanced hydrophobicity and manufacturing method thereof
HYUNDAI MOTOR CO LTD1 citations51