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Hideo Makishima
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electron tube device mounted with a cold cathode and a method of im...
Patent number
6,756,734
Issue date
Jun 29, 2004
NEC Microwave Tube, Ltd.
Shunji Tsuida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron tube device mounted with a cold cathode and a method of im...
Patent number
6,583,567
Issue date
Jun 24, 2003
NEC Microwave Tube, Ltd.
Shunji Tsuida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron tube device mounted with a cold cathode and a method of im...
Patent number
6,310,438
Issue date
Oct 30, 2001
NEC Corporation
Shunji Tsuida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission device having spherically curved electron emission l...
Patent number
6,028,391
Issue date
Feb 22, 2000
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of operating electron tube
Patent number
6,024,618
Issue date
Feb 15, 2000
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field-emission cold-cathode electron gun having emitter tips betwee...
Patent number
5,986,388
Issue date
Nov 16, 1999
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission cathode type electron gun with individually-controll...
Patent number
5,977,719
Issue date
Nov 2, 1999
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus and method for light emitting and cold cathode used therefor
Patent number
5,965,977
Issue date
Oct 12, 1999
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field-emission cathode capable of forming an electron beam having a...
Patent number
5,929,557
Issue date
Jul 27, 1999
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron device employing field-emission cathode
Patent number
5,821,679
Issue date
Oct 13, 1998
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold cathode and cathode ray tube using the cold cathode
Patent number
5,814,931
Issue date
Sep 29, 1998
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission cold cathode having micro electrodes of different el...
Patent number
5,734,223
Issue date
Mar 31, 1998
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold cathode density-modulated type electron gun and microwave tube...
Patent number
5,680,011
Issue date
Oct 21, 1997
NEC Corportion
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission cold cathode element having exposed substrate
Patent number
5,650,688
Issue date
Jul 22, 1997
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission cold cathode element having exposed substrate
Patent number
5,648,698
Issue date
Jul 15, 1997
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold cathode
Patent number
5,635,789
Issue date
Jun 3, 1997
NEC Corporation
Hideo Makishima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Field-emission cold cathode for dual-mode operation useable in a mi...
Patent number
5,604,401
Issue date
Feb 18, 1997
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field-emission cathode having integrated electrical interconnects a...
Patent number
5,585,689
Issue date
Dec 17, 1996
NEC Corporation
Hironori Imura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission cold cathode element with locally thickened gate ele...
Patent number
5,559,390
Issue date
Sep 24, 1996
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission cathode including cylindrically shaped resistive con...
Patent number
5,557,160
Issue date
Sep 17, 1996
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field emission cathode apparatus
Patent number
5,550,435
Issue date
Aug 27, 1996
NEC Corporation
Toshihide Kuriyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron beam radiator with cold cathode integral with focusing gri...
Patent number
5,514,847
Issue date
May 7, 1996
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron beam radiator with cold cathode integral with focusing gri...
Patent number
5,496,199
Issue date
Mar 5, 1996
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Electron tube device mounted with a cold cathode and a method of im...
Publication number
20020036470
Publication date
Mar 28, 2002
NEC Corporation
Shunji Tsuida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electron tube device mounted with a cold cathode and a method of im...
Publication number
20010024091
Publication date
Sep 27, 2001
Shunji Tsuida
H01 - BASIC ELECTRIC ELEMENTS