Inventor
JEONG MIN GYO
KR8 patents
Patents
8 patentsUS12455501B2Oct 28, 2025
Blank mask and photomask using the same
SK ENPULSE CO LTD0 citations59
US12566369B2Mar 3, 2026
Method and apparatus for manufacturing a photomask from a blank mask
SK ENPULSE CO LTD0 citations49
US12529952B2Jan 20, 2026
Photomask blank and photomask using the same
SK ENPULSE CO LTD0 citations49
US12481212B2Nov 25, 2025
Blank mask and photomask using the same
SK ENPULSE CO LTD0 citations49
US12461438B2Nov 4, 2025
Blank mask and photomask using the same
SK ENPULSE CO LTD0 citations49
US12487517B2Dec 2, 2025
Blank mask and photomask using the same
SK ENPULSE CO LTD0 citations48
US12461439B2Nov 4, 2025
Blank mask and photomask using the same
SK ENPULSE CO LTD0 citations48
US12276905B2Apr 15, 2025
Blank mask and photomask using the same
SK ENPULSE CO LTD0 citations48