Boklae Cho

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Hitachinaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing electron source
- Patent number 10,074,506
- Issue date Sep 11, 2018
- Hitachi High-Technologies Corporation
- Takashi Ichimura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Field-emission electron gun and method for controlling same
- Patent number 8,766,542
- Issue date Jul 1, 2014
- Hitachi High-Technologies Corporation
- Boklae Cho
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for Manufacturing Electron Source
- Publication number 20150255240
- Publication date Sep 10, 2015
- Hitachi High-Technologies Corporation
- Takashi Ichimura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
FIELD-EMISSION ELECTRON GUN AND METHOD FOR CONTROLLING SAME
- Publication number 20130200788
- Publication date Aug 8, 2013
- Hitachi High-Technologies Corporation
- Boklae Cho
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHARGED PARTICLE GUN AND CHARGED PARTICLE BEAM DEVICE
- Publication number 20120104272
- Publication date May 3, 2012
- Hitachi High-Technologies Corporation
- Boklae Cho
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE, ELECTRON GUN, AND ELECTRON MICROSCOPE DEVICE AND E...
- Publication number 20110186735
- Publication date Aug 4, 2011
- Hitachi, Ltd.
- Tadashi FUJIEDA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL