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CPC
H01J2229/5632
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2229/00
Details of cathode ray tubes or electron beam tubes
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H01J2229/5632
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Patents Grants
last 30 patents
Information
Patent Grant
Electron microscope
Patent number
8,541,755
Issue date
Sep 24, 2013
Jeol Ltd.
Hidetaka Sawada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Color picture tube apparatus
Patent number
6,965,192
Issue date
Nov 15, 2005
Matsushita Electric Industrial Co., Ltd.
Masahiko Sukeno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun for CRT with helical multi-lens electrode assembly
Patent number
6,577,054
Issue date
Jun 10, 2003
Samsung SDI Co., Ltd.
Sang-mook Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Main lens structure for a color cathode ray tube
Patent number
5,625,252
Issue date
Apr 29, 1997
Hitachi, Ltd.
Mamoru Tsuzurahara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Color picture tube apparatus
Publication number
20030178930
Publication date
Sep 25, 2003
Masahiko Sukeno
H01 - BASIC ELECTRIC ELEMENTS