Inventor
SHIRAI MASUMI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAI MASUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI HIGH TECH CORP
4 patentsUS12505976B2Dec 23, 2025
Charged particle beam apparatus and method for calculating roughness index
HITACHI HIGH TECH CORP0 citations50
US11791130B2Oct 17, 2023
Electron beam observation device, electron beam observation system, and image correcting method and method for calculating correction factor for image correction in electron beam observation device
HITACHI HIGH TECH CORP0 citations50
US12463005B2Nov 4, 2025
Correction coefficient calculation device, correction coefficient calculation method, and correction coefficient calculation program
HITACHI HIGH TECH CORP0 citations45
US9679744B2Jun 13, 2017
Charged particle beam apparatus and method of correcting landing angle of charged particle beam
HITACHI HIGH TECH CORP1 citations45