NK

Norihiro Katakura

NI Nikon: 5 patents #754 of 2,493Top 35%
Overall (All Time): #1,041,395 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6531249 Reticle blanks for charged-particle-beam microlithography and methods for making same 2003-03-11
6428937 Methods for fabricating reticle blanks for use in making charged-particle-beam microlithography reticles, and reticle blanks and reticles formed using such methods 2002-08-06
6287731 Methods for making microlithography masks utilizing temperature control 2001-09-11
5972794 Silicon stencil mask manufacturing method 1999-10-26
5912095 Mask substrate manufacturing methods 1999-06-15