Inventor
CHOI KI HOON
KR19 patents
⚠️ This page may combine multiple inventors who share the name “CHOI KI HOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMES CO LTD
14 patentsUS9975151B2May 22, 2018
Apparatus and method for treating substrate
SEMES CO LTD2 citations72
US12381084B2Aug 5, 2025
Apparatus and method for treating substrate
SEMES CO LTD0 citations61
US12366799B2Jul 22, 2025
Apparatus for correcting photomask and method thereof
SEMES CO LTD0 citations61
US8038838B2Oct 18, 2011
Spin head, method of operating the spin head and apparatus for treating substrates with the spin head
SEMES CO LTD6 citations61
US12319061B2Jun 3, 2025
Printing apparatus and providing method thereof
SEMES CO LTD0 citations59
US12011936B2Jun 18, 2024
Droplet discharging device and manufacturing method thereof
SEMES CO LTD0 citations59
US12591175B2Mar 31, 2026
Substrate treating apparatus and substrate treating method
SEMES CO LTD0 citations49
US12517440B2Jan 6, 2026
Irradiating module, and substrate treating apparatus including the same
SEMES CO LTD0 citations49
US11940734B2Mar 26, 2024
Apparatus and method for treating substrate
SEMES CO LTD0 citations49
US12521996B2Jan 13, 2026
Inkjet head unit and inkjet printing equipment including the same
SEMES CO LTD0 citations48
US12429283B2Sep 30, 2025
Method and apparatus for treating a substrate
SEMES CO LTD0 citations48
US12057335B2Aug 6, 2024
Apparatus for treating substrate and apparatus for measuring concentration
SEMES CO LTD0 citations48
US12504690B2Dec 23, 2025
Apparatus for treating substrate and method for treating a substrate
SEMES CO LTD0 citations47
US11887866B2Jan 30, 2024
Supercritical processing apparatus
SEMES CO LTD0 citations47