Inventor
OHSHIMA TAKASHI
JP67 patents
⚠️ This page may combine multiple inventors who share the name “OHSHIMA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI HIGH TECH CORP
21 patentsUS7582885B2Sep 1, 2009
Charged particle beam apparatus
HITACHI HIGH TECH CORP61 citations98
US7615765B2Nov 10, 2009
Charged particle beam apparatus
HITACHI HIGH TECH CORP23 citations92
US7339167B2Mar 4, 2008
Charged particle beam apparatus
HITACHI HIGH TECH CORP29 citations92
US9508527B2Nov 29, 2016
Sample base, charged particle beam device and sample observation method
HITACHI HIGH TECH CORP8 citations84
US7781743B2Aug 24, 2010
Charged particle beam system and method for evacuation of the system
HITACHI HIGH TECH CORP16 citations84
US11251011B2Feb 15, 2022
Electron microscope
HITACHI HIGH TECH CORP3 citations73
US11062892B2Jul 13, 2021
Charged particle detector including a light-emitting section having lamination structure, charged particle beam device, and mass spectrometer
HITACHI HIGH TECH CORP3 citations73
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
US7238939B2Jul 3, 2007
Small electron gun
HITACHI HIGH TECH CORP7 citations73
US10241062B2Mar 26, 2019
Charged particle beam device, sample observation method, sample platform, observation system, and light emitting member
HITACHI HIGH TECH CORP4 citations72
US9570268B2Feb 14, 2017
Electron gun, charged particle gun, and charged particle beam apparatus using electron gun and charged particle gun
HITACHI HIGH TECH CORP6 citations72
US9812288B2Nov 7, 2017
Sample holder with light emitting and transferring elements for a charged particle beam apparatus
HITACHI HIGH TECH CORP2 citations71
US10134564B2Nov 20, 2018
Charged particle beam device
HITACHI HIGH TECH CORP3 citations68
US8866371B2Oct 21, 2014
Electric field discharge-type electron source
HITACHI HIGH TECH CORP2 citations63
US7759652B2Jul 20, 2010
Electron lens and charged particle beam apparatus
HITACHI HIGH TECH CORP4 citations63
US6888138B2May 3, 2005
Absorption current image apparatus in electron microscope
HITACHI HIGH TECH CORP3 citations63
US11784022B2Oct 10, 2023
Electron beam apparatus
HITACHI HIGH TECH CORP0 citations62
US10984979B2Apr 20, 2021
Charged particle detector and charged particle beam apparatus
HITACHI HIGH TECH CORP0 citations62
US9355815B2May 31, 2016
Electron microscope and electron beam detector
HITACHI HIGH TECH CORP2 citations62
US11322329B2May 3, 2022
Electron source, method for manufacturing the same, and electron beam device using the same
HITACHI HIGH TECH CORP0 citations60
HITACHI LTD
6 patentsUS5241197AAug 31, 1993
Transistor provided with strained germanium layer
HITACHI LTD188 citations98
US5616926AApr 1, 1997
Schottky emission cathode and a method of stabilizing the same
HITACHI LTD43 citations93
US7755046B2Jul 13, 2010
Transmission electron microscope
HITACHI LTD9 citations83
US5811819ASep 22, 1998
Electron beam source and its manufacturing method and electron beam source apparatus and electron beam apparatus using the same
HITACHI LTD10 citations74
US9837243B2Dec 5, 2017
Ion pump and charged particle beam device using the same
HITACHI LTD3 citations73
US10340117B2Jul 2, 2019
Ion beam device and sample observation method
HITACHI LTD1 citations63
HITACHI METALS TECHNO LTD
3 patentsSHICHI HIROYASU
2 patentsOHSHIMA TAKASHI
2 patentsMORISHITA HIDEO
2 patentsKASUYA KEIGO
2 patentsAGENCY IND SCIENCE TECHN
2 patentsHATANO MICHIO
2 patentsSENQCIA CORP
2 patentsUNIV TOKYO
1 patentFUJITSU LTD
1 patentSCRIPPS RESEARCH INST
1 patentTAKASAGO PERFUMERY CO LTD
1 patentOKAMOTO MASAKAZU
1 patentCANON MEDICAL SYSTEMS CORP
1 patentShowing the top 50 of 67 patents by PatentIndex Score.