P

Inventor

KASUYA KEIGO

JP17 patents
⚠️ This page may combine multiple inventors who share the name “KASUYA KEIGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI HIGH TECH CORP

13 patents
US10707046B2Jul 7, 2020

Electron source and electron beam device using the same

HITACHI HIGH TECH CORP3 citations73
US10522319B2Dec 31, 2019

Electron beam apparatus

HITACHI HIGH TECH CORP2 citations73
US10903037B2Jan 26, 2021

Charged particle beam device

HITACHI HIGH TECH CORP2 citations72
US12494338B2Dec 9, 2025

Electron source, electron beam device, and method for manufacturing electron source

HITACHI HIGH TECH CORP0 citations62
US12469665B2Nov 11, 2025

Charged particle beam device

HITACHI HIGH TECH CORP0 citations62
US12400823B2Aug 26, 2025

Electron source, method of manufacturing the same, and electron beam apparatus using the same

HITACHI HIGH TECH CORP0 citations62
US10804084B2Oct 13, 2020

Vacuum apparatus

HITACHI HIGH TECH CORP1 citations62
US12469664B2Nov 11, 2025

Charged particle gun and charged particle beam system

HITACHI HIGH TECH CORP0 citations61
US11508544B2Nov 22, 2022

Thermoelectric field emission electron source and electron beam application device

HITACHI HIGH TECH CORP0 citations60
US11322329B2May 3, 2022

Electron source, method for manufacturing the same, and electron beam device using the same

HITACHI HIGH TECH CORP0 citations60
US12394585B2Aug 19, 2025

Electron source, electron gun, and charged particle beam device

HITACHI HIGH TECH CORP0 citations59
US11894211B2Feb 6, 2024

Electron beam apparatus and method for controlling electron beam apparatus

HITACHI HIGH TECH CORP0 citations58
US10586674B2Mar 10, 2020

Field emission electron source, method for manufacturing same, and electron beam device

HITACHI HIGH TECH CORP0 citations52

KASUYA KEIGO

3 patents

HITACHI LTD

1 patent