HO

Hidetoshi Ohnuma

SO Sony: 13 patents #3,381 of 25,231Top 15%
Overall (All Time): #385,960 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8221942 Pattern correction method, exposure mask, manufacturing method of exposure mask, and manufacturing method of semiconductor device Mikio Oka, Kaoru Koike, Kensuke Tsuchiya 2012-07-17
7200834 Exposure pattern forming method and exposure pattern Kazuhisa Ogawa 2007-04-03
7165235 Exposure pattern forming method and exposure pattern Kazuhisa Ogawa 2007-01-16
7139996 Mask pattern correction apparatus and mask pattern correction method and mask preparation method and method of production of a semiconductor device Kazuyoshi Kawahara 2006-11-21
7000216 Exposure pattern forming method and exposure pattern Kazuhisa Ogawa 2006-02-14
6928636 Rule based OPC evaluating method and simulation-based OPC model evaluating method 2005-08-09
6924068 Photomask fabrication method, photomask, and exposure method thereof 2005-08-02
6492078 Correcting method of exposure pattern, exposure method, exposure system, photomask and semiconductor device 2002-12-10
6391501 Pattern generating method and apparatus 2002-05-21
6370441 Method and apparatus of correcting design-patterned data, method of electron beam and optical exposure, method of fabricating semiconductor and photomask devices 2002-04-09
6144760 Exposure data correction method, exposing method, photomask, semiconductor device, exposure data correction apparatus, exposure apparatus, and manufacturing apparatus of semiconductor device 2000-11-07
5885748 Method of exposing, with correction of pattern data used to draw photomask to overcome proximity effects 1999-03-23
5792581 Method of correcting pattern data for drawing photomask to overcome proximity effects 1998-08-11