TO

Tadashi Otaka

HI Hitachi: 37 patents #587 of 28,497Top 3%
HH Hitachi High-Technologies: 18 patents #125 of 1,917Top 7%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
📍 Hitachinaka, JP: #51 of 2,447 inventorsTop 3%
Overall (All Time): #46,311 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
6894790 Micropattern shape measuring system and method Yasuhiro Mitsui, Yasutsugu Usami, Isao Kawata, Yuya Toyoshima, Nobuyuki Iriki 2005-05-17
6864493 Charged particle beam alignment method and charged particle beam apparatus Mitsugu Sato, Makoto Ezumi, Atsushi Takane, Shoji Yoshida, Satoru Yamaguchi +1 more 2005-03-08
6791084 Method and scanning electron microscope for measuring dimension of material on sample Goroku Shimoma, Mitsugu Sato, Hideo Todokoro, Shunichi Watanabe, Tadanori Takahashi +3 more 2004-09-14
6667483 Apparatus using charged particle beam Atsushi Kobaru 2003-12-23
6653634 Method of measuring length with scanning type electron microscope Kouichi Nagai 2003-11-25
6274876 Inspection apparatus and method using particle beam and the particle-beam-applied apparatus Yoshimi Kawanami, Akio Yoneyama 2001-08-14
6140644 Inspection apparatus and method using a particle beam Yoshimi Kawanami, Akio Yoneyama 2000-10-31
6114695 Scanning electron microscope and method for dimension measuring by using the same Hideo Todokoro, Kenji Takamoto, Fumio Mizuno, Satoru Yamada, Sadao Terakado +3 more 2000-09-05
5969357 Scanning electron microscope and method for dimension measuring by using the same Hideo Todokoro, Kenji Takamoto, Fumio Mizuno, Satoru Yamada, Sadao Terakado +3 more 1999-10-19
5912462 Electron microscope Sho Takami 1999-06-15
5866904 Scanning electron microscope and method for dimension measuring by using the same Hideo Todokoro, Kenji Takamoto, Fumio Mizuno, Satoru Yamada, Sadao Terakado +3 more 1999-02-02
5614713 Scanning electron microscope Atsushi Kobaru, Tatsuya Maeda, Katsuhiro Sasada 1997-03-25
5598002 Electron beam apparatus Hideo Todokoro, Tatsuya Maeda, Katsuhiro Sasada 1997-01-28
5594245 Scanning electron microscope and method for dimension measuring by using the same Hideo Todokoro, Kenji Takamoto, Fumio Mizuno, Satoru Yamada, Sadao Terakado +3 more 1997-01-14
5463221 Electron beam measuring apparatus Hiroyoshi Mori, Hideo Todokoro 1995-10-31
5442183 Charged particle beam apparatus including means for maintaining a vacuum seal Hironobu Matsui, Mikio Ichihashi, Shinjiroo Ueda, Kazue Takahashi, Toshiaki Kobari +1 more 1995-08-15
5412209 Electron beam apparatus Akimitsu Okura, Hiroshi Iwamoto, Hideo Todokoro, Tsutomu Komoda, Issei Tobita 1995-05-02
5412210 Scanning electron microscope and method for production of semiconductor device by using the same Hideo Todokoro, Kenji Takamoto, Fumio Mizuno, Satoru Yamada, Katsuhiro Kuroda +2 more 1995-05-02
5389787 Scanning electron microscope Hideo Todokoro 1995-02-14
5387793 Scanning electron microscope Mitsugu Sato, Hideo Todokoro 1995-02-07
5324950 Charged particle beam apparatus Mikio Ichihashi 1994-06-28
5276325 Scanning microscope and a method of operating such a scanning microscope Hideo Todokoro, Osamu Yamada 1994-01-04
5254856 Charged particle beam apparatus having particular electrostatic objective lens and vacuum pump systems Hironobu Matsui, Mikio Ichihashi, Shinjiroo Ueda, Kazue Takahashi, Toshiaki Kobari +1 more 1993-10-19
D332616 Electronic microscope Kazunori Hashimoto, Minoru Shimizu 1993-01-19
5149967 Charged-particle beam apparatus 1992-09-22