RF

Ritsuo Fukaya

HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HH Hitachi High-Technologies: 9 patents #352 of 1,917Top 20%
Overall (All Time): #231,082 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12379392 Surface analysis device Yasuhiro Ando, Yoshihiro Isozaki 2025-08-05
8969801 Scanning electron microscope Nobuhiro Okai, Yasunari Sohda, Zhigang Wang 2015-03-03
8907267 Charged particle beam device Zhigang Wang, Nobuhiro Okai, Hidetoshi Sato 2014-12-09
8835844 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Tatsuaki Ishijima +2 more 2014-09-16
8692197 Scanning electron microscope optical condition setting method and scanning electron microscope Zhigang Wang, Nobuhiro Okai 2014-04-08
8487251 Method for controlling charging of sample and scanning electron microscope Nobuhiro Okai, Koki Miyahara, Zhigang Wang 2013-07-16
8178836 Electrostatic charge measurement method, focus adjustment method, and scanning electron microscope Tatsuaki Ishijima, Katsuhiro Sasada 2012-05-15
8080789 Sample dimension measuring method and scanning electron microscope Osamu Nasu, Tadashi Otaka, Hiroki Kawada, Makoto Ezumi 2011-12-20
7851756 Charged particle beam irradiation system Zhigang Wang 2010-12-14
7745782 Electrostatic charge measurement method, focus adjustment method, and scanning electron microscope Tatsuaki Ishijima, Katsuhiro Sasada 2010-06-29
7700918 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Tatsuaki Ishijima +2 more 2010-04-20
7659508 Method for measuring dimensions of sample and scanning electron microscope Osamu Nasu, Tadashi Otaka, Hiroki Kawada, Makoto Ezumi 2010-02-09
7566872 Scanning electron microscope Hidetoshi Sato, Zhigang Wang, Noriaki Arai, Makoto Ezumi 2009-07-28
7372028 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Tatsuaki Ishijima +2 more 2008-05-13
7087899 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Tatsuaki Ishijima +2 more 2006-08-08
6946656 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Tatsuaki Ishijima +2 more 2005-09-20
6300995 Liquid crystal display device utilizing in-plane-switching system and having alignment film separating picture element electrode or counter electrode from liquid crystal layer Masatoshi Wakagi, Masahiko Ando 2001-10-09
6184946 Active matrix liquid crystal display Masahiko Ando, Masatoshi Wakagi 2001-02-06
5995187 Liquid crystal display device in-plane-switching system with counter electrode in contact with liquid crystal Masatoshi Wakagi, Masahiko Ando 1999-11-30