ES

Eiichi Seya

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%
Overall (All Time): #421,798 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8796651 Method and apparatus for specimen fabrication Hiroyasu Shichi, Tohru Ishitani, Hidemi Koike, Kaoru Umemura, Mitsuo Tokuda +3 more 2014-08-05
7897936 Method and apparatus for specimen fabrication Hiroyasu Shichi, Tohru Ishitani, Hidemi Koike, Kaoru Umemura, Mitsuo Tokuda +3 more 2011-03-01
7791043 Stage mechanism, electron microscope having the stage mechanism and method of controlling positioning of stage mechanism Takashi Nagamatsu 2010-09-07
7514683 Scanning electron microscope Kazuma Tanii, Yuji Kasai, Katsuhiro Sasada 2009-04-07
7268356 Method and apparatus for specimen fabrication Hiroyasu Shichi, Tohru Ishitani, Hidemi Koike, Kaoru Umemura, Mitsuo Tokuda +3 more 2007-09-11
6943945 Two axis state for microscope Shuichi Nakagawa 2005-09-13
6794663 Method and apparatus for specimen fabrication Hiroyasu Shichi, Tohru Ishitani, Hidemi Koike, Kaoru Umemura, Mitsuo Tokuda +3 more 2004-09-21
6664552 Method and apparatus for specimen fabrication Hiroyasu Shichi, Tohru Ishitani, Hidemi Koike, Kaoru Umemura, Mitsuo Tokuda +3 more 2003-12-16
5601686 Wafer transport method Yoshio Kawamura, Yoshifumi Kawamoto, Fumihiko Uchida, Kenichi Mizuishi, Natsuki Yokoyama +2 more 1997-02-11
5562800 Wafer transport method Yoshio Kawamura, Yoshifumi Kawamoto, Fumihiko Uchida, Kenichi Mizuishi, Natsuki Yokoyama +2 more 1996-10-08
5420436 Methods for measuring optical system, and method and apparatus for exposure using said measuring method Massaaki Ito, Soichi Katagiri, Tsuneo Terasawa, Minoru Hidaka, Eiji Takeda +1 more 1995-05-30
5235591 Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium Shigeru Nakamura, Seiichi Mita, Masuo Kasai, Masahiro Ojima, Hiroshi Yasuoka +5 more 1993-08-10