TI

Tatsuaki Ishijima

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%
📍 Hitachinaka, JP: #618 of 2,447 inventorsTop 30%
Overall (All Time): #648,672 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9129775 Specimen potential measuring method, and charged particle beam device Osamu Nasu, Muneyuki Fukuda, Takeyoshi Ohashi, Hiromasa Yamanashi, Takuji Miyamoto +1 more 2015-09-08
8835844 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Takahiro Sato +2 more 2014-09-16
8178836 Electrostatic charge measurement method, focus adjustment method, and scanning electron microscope Katsuhiro Sasada, Ritsuo Fukaya 2012-05-15
7745782 Electrostatic charge measurement method, focus adjustment method, and scanning electron microscope Katsuhiro Sasada, Ritsuo Fukaya 2010-06-29
7700918 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Takahiro Sato +2 more 2010-04-20
7372028 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Takahiro Sato +2 more 2008-05-13
7087899 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Takahiro Sato +2 more 2006-08-08
6946656 Sample electrification measurement method and charged particle beam apparatus Makoto Ezumi, Yoichi Ose, Akira Ikegami, Hideo Todokoro, Takahiro Sato +2 more 2005-09-20