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Nobuhiro Okai
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image processing system
Patent number
11,852,599
Issue date
Dec 26, 2023
HITACHI HIGH-TECH CORPORATION
Nobuhiro Okai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Charged particle beam apparatus
Patent number
11,211,224
Issue date
Dec 28, 2021
HITACHI HIGH-TECH CORPORATION
Nobuhiro Okai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charged particle beam apparatus
Patent number
10,121,632
Issue date
Nov 6, 2018
Hitachi High-Technologies Corporation
Nobuhiro Okai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charged particle beam microscope
Patent number
9,261,360
Issue date
Feb 16, 2016
Hitachi High-Technologies Corporation
Nobuhiro Okai
G01 - MEASURING TESTING
Information
Patent Grant
Scanning electron microscope
Patent number
8,969,801
Issue date
Mar 3, 2015
Hitachi High-Technologies Corporation
Nobuhiro Okai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charged particle beam device
Patent number
8,907,267
Issue date
Dec 9, 2014
Hitachi High-Technologies Corporation
Zhigang Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron microscope
Patent number
8,742,342
Issue date
Jun 3, 2014
Hitachi High-Technologies Corporation
Nobuhiro Okai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Scanning electron microscope optical condition setting method and s...
Patent number
8,692,197
Issue date
Apr 8, 2014
Hitachi High-Technologies Corporation
Zhigang Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for controlling charging of sample and scanning electron mic...
Patent number
8,487,251
Issue date
Jul 16, 2013
Hitachi High-Technologies Corporation
Ritsuo Fukaya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Scanning electron microscope
Patent number
8,125,518
Issue date
Feb 28, 2012
Hitachi High-Technologies Corporation
Nobuhiro Okai
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for inspecting reticle
Patent number
8,064,681
Issue date
Nov 22, 2011
Hitachi High-Technologies Corporation
Nobuhiro Okai
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Electron Microscope
Publication number
20230238212
Publication date
Jul 27, 2023
Hitachi High-Tech Corporation
Hiroyasu SHICHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IMAGE PROCESSING SYSTEM
Publication number
20220042936
Publication date
Feb 10, 2022
HITACHI HIGH-TECH CORPORATION
Nobuhiro Okai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CHARGED PARTICLE BEAM APPARATUS
Publication number
20210249221
Publication date
Aug 12, 2021
HITACHI HIGH-TECH CORPORATION
Nobuhiro OKAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Charged Particle Beam Apparatus
Publication number
20170316915
Publication date
Nov 2, 2017
Hitachi High-Technologies Corporation
Nobuhiro OKAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SCANNING ELECTRON MICROSCOPE
Publication number
20140299769
Publication date
Oct 9, 2014
Hitachi High-Technologies Corporation
Nobuhiro Okai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CHARGED PARTICLE BEAM DEVICE
Publication number
20140217274
Publication date
Aug 7, 2014
Hitachi High-Technologies Corporation
Zhigang Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Charged Particle Beam Microscope
Publication number
20120327213
Publication date
Dec 27, 2012
Hitachi High-Technologies Corporation
Nobuhiro Okai
G01 - MEASURING TESTING
Information
Patent Application
Scanning Electron Microscope Optical Condition Setting Method and S...
Publication number
20120318977
Publication date
Dec 20, 2012
Hitachi High-Technologies Corporation
Zhigang Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electron Microscope
Publication number
20120217393
Publication date
Aug 30, 2012
Hitachi High-Technologies Corporation
Nobuhiro Okai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SCANNING ELECTRON MICROSCOPE
Publication number
20110249110
Publication date
Oct 13, 2011
Hitachi High-Technologies Corporation
Nobuhiro Okai
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR CONTROLLING CHARGING OF SAMPLE AND SCANNING ELECTRON MIC...
Publication number
20110139981
Publication date
Jun 16, 2011
Ritsuo Fukaya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for inspecting reticle
Publication number
20090136116
Publication date
May 28, 2009
Hitachi High-Technologies Corporation
Nobuhiro Okai
G06 - COMPUTING CALCULATING COUNTING