MN

Mamoru Nakasuji

NI Nikon: 7 patents #2 of 284Top 1%
Overall (2002): #3,908 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6487063 Electrostatic wafer chuck, and charged-particle-beam microlithography apparatus and methods comprising same 2002-11-26
6465783 High-throughput specimen-inspection apparatus and methods utilizing multiple parallel charged particle beams and an array of multiple secondary-electron-detectors 2002-10-15
6444399 Methods for achieving reduced effects of overlayer and subfield-stitching errors in charged-particle-beam microlithography, and device manufacturing methods comprising such microlithography methods 2002-09-03
6429441 Charged-particle-beam microlithography apparatus and methods exhibiting variable beam velocity, and device-manufacturing methods using same 2002-08-06
6388261 Charged-particle-beam microlithography apparatus and methods exhibiting reduced astigmatisms and linear distortion 2002-05-14
6352799 Charged-particle-beam pattern-transfer methods and apparatus including beam-drift measurement and correction, and device manufacturing methods comprising same 2002-03-05
6337164 Charged-particle-beam microlithography methods exhibiting improved pattern-feature accuracy, and device manufacturing methods comprising same 2002-01-08