Activation of assembled cathode

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    Method of aging X-ray generator having carbon nanotube electron emi...

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    • Issue date Oct 20, 2015
    • Samsung Electronics Co., Ltd.
    • Do-yoon Kim
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    Method of producing rapid heating of a cathode installed in a therm...

    • Patent number 8,987,982
    • Issue date Mar 24, 2015
    • Applied Physics Technologies, Inc.
    • Gerald Magera
    • H01 - BASIC ELECTRIC ELEMENTS
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    Pre-aligned thermionic emission assembly

    • Patent number 8,581,481
    • Issue date Nov 12, 2013
    • Applied Physics Technologies, Inc.
    • Gerald Magera
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    Method of manufacturing image display apparatus

    • Patent number 6,821,174
    • Issue date Nov 23, 2004
    • Canon Kabushiki Kaisha
    • Tetsuya Kaneko
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    Fluorescent lamp with cathode heat switches

    • Patent number 4,517,493
    • Issue date May 14, 1985
    • General Electric Company
    • Peter V. Dembowski
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    Method of forming hot cathodes

    • Patent number 4,511,340
    • Issue date Apr 16, 1985
    • International Standard Electric Corporation
    • Eberhard Weiss
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    Apparatus for converting CRT cathodes

    • Patent number 4,047,778
    • Issue date Sep 13, 1977
    • Hewlett-Packard Company
    • Julius A. Csaki
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    3846006

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    3842469

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    3357766

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    3348092

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    • Issue date Oct 17, 1967
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    3004816

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    2984534

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    • Issue date May 16, 1961
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    2974251

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    2913629

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    2875361

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    2874077

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    2792273

    • Patent number 2,792,273
    • Issue date May 14, 1957
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    2773731

    • Patent number 2,773,731
    • Issue date Dec 11, 1956
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    2733173

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    2664361

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    2561768

    • Patent number 2,561,768
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    2548110

    • Patent number 2,548,110
    • Issue date Apr 10, 1951
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    2523269

    • Patent number 2,523,269
    • Issue date Sep 26, 1950
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    2434517

    • Patent number 2,434,517
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    2392318

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    2352137

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    2342550

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    2275886

    • Patent number 2,275,886
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    2249672

    • Patent number 2,249,672
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Patents Applicationslast 30 patents