Inventor

HIRAYAMA YOICHI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “HIRAYAMA YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

1 patent

US4704715ANov 3, 1987

Information communication system

TOSHIBA KK50 citations91

AKIMA HISANAO

1 patent

US9312094B2Apr 12, 2016

Charged particle beam device

AKIMA HISANAO5 citations66

HITACHI LTD

1 patent

US8035086B2Oct 11, 2011

Aberration correction apparatus that corrects spherical aberration of charged particle apparatus

HITACHI LTD4 citations60

HITACHI HIGH TECH CORP

1 patent

US9715991B2Jul 25, 2017

Charged particle beam device and spherical aberration correction method

HITACHI HIGH TECH CORP0 citations48

HIRAYAMA YOICHI

1 patent

US8791423B2Jul 29, 2014

Aberration correction device and charged particle beam device employing same

HIRAYAMA YOICHI0 citations30