TY

Takehisa Yahiro

NI Nikon: 3 patents #27 of 325Top 9%
Overall (2003): #20,766 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6635402 Devices for measuring and adjusting illumination uniformity obtained from a charged-particle illumination-optical system 2003-10-21
6531786 Durable reference marks for use in charged-particle-beam (CPB) microlithography, and CPB microlithography apparatus and methods comprising same 2003-03-11
6521392 Methods for measuring and adjusting illumination uniformity obtained from a charged-particle illumination-optical system 2003-02-18