YH

Yoichi Hirayama

HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #993,680 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9715991 Charged particle beam device and spherical aberration correction method Hirokazu Tamaki 2017-07-25
9312094 Charged particle beam device Hisanao Akima 2016-04-12
8791423 Aberration correction device and charged particle beam device employing same 2014-07-29
8035086 Aberration correction apparatus that corrects spherical aberration of charged particle apparatus Takaho Yoshida 2011-10-11
4704715 Information communication system Taro Shibagaki, Hiroyuki Ibe, Toshifumi Tamura, Takeshi Ozeki 1987-11-03