KT

Keisuke Tsudaka

SO Sony: 12 patents #3,691 of 25,231Top 15%
Overall (All Time): #428,027 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6249597 Method of correcting mask pattern and mask, method of exposure, apparatus thereof, and photomask and semiconductor device using the same 2001-06-19
6154563 Method of correcting mask pattern and mask, method of exposure, apparatus thereof, and photomask and semiconductor device using the same 2000-11-28
6067375 Correction method and correction apparatus of mask pattern 2000-05-23
6058203 Correction method and correction apparatus of mask pattern 2000-05-02
6042257 Correction method and correction apparatus of mask pattern 2000-03-28
6014456 Method of correcting mask pattern and mask, method of exposure, apparatus thereof, and photomask and semiconductor device using the same 2000-01-11
5991006 Method and apparatus for correcting exposure patterns, and exposure mask, method of exposing and semiconductor device 1999-11-23
5969801 Correction method and correction apparatus of mask pattern 1999-10-19
5825647 Correction method and correction apparatus of mask pattern 1998-10-20
5736280 Method of estimation of resist pattern and method of exposure based on same 1998-04-07
5723235 Method of producing photomask and exposing Minoru Sugawara 1998-03-03
5558963 Method of producing photomask and exposing Minoru Sugawara 1996-09-24