Daegu
South Korea
8
2017-08-24
The entities that hold a legal rights for patent applications filed by inventor Nam Byung Ho:
Byung Ho Nam from Daegu, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Photomasks for reducing thermal stress generated by heat
#2 | 2016-10-20Photo mask including pre-alignment keys and photolithography apparatus performing a pre-alignment process for the photo mask
#3 | 2016-08-25Photomasks for reducing thermal stress generated by heat
#4 | 2015-02-26Blank masks for extreme ultra violet lithography, methods of fabricating the same, and methods of correcting registration errors thereof
#5 | 2014-08-14Reflection type blank masks, methods of fabricating the same, and methods of fabricating reflection type photo masks using the same
#6 | 2014-01-30Blank masks for extreme ultra violet lithography, methods of fabricating the same, and methods of correcting registration errors thereof
#7 | 2013-12-05Reflection type blank masks, methods of fabricating the same, and methods of fabricating reflection type photo masks using the same
#8 | 2010-07-01Backside phase grating mask and method for manufacturing the same
557909 ⎘