TREA

Electron-emitting electrodes Cathodes

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  • CPC
  • H01J19/02
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J19/00Details of vacuum tubes of the types covered by group H01J21/00

Current Industry

H01J19/02Electron-emitting electrodes Cathodes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum tube for amplifier circuit, and amplifier circuit using same
    • Patent number 12,149,214
    • Issue date Nov 19, 2024
    • Hamamatsu Photonics K.K.
    • Hiroshige Mori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power supply module and charged particle beam device
    • Patent number 12,132,411
    • Issue date Oct 29, 2024
    • HITACHI HIGH-TECH CORPORATION
    • Ryo Kadoi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum channel field effect transistor, producing method thereof, a...
    • Patent number 11,476,074
    • Issue date Oct 18, 2022
    • Yoshiyuki Ando
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Shadowed grid structures for electrodes in vacuum electronics
    • Patent number 10,658,144
    • Issue date May 19, 2020
    • Modern Electron, LLC
    • Stephen E. Clark
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum integrated electronic device and manufacturing process thereof
    • Patent number 9,754,756
    • Issue date Sep 5, 2017
    • STMicroelectronics S.r.l.
    • Davide Giuseppe Patti
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Integrated gas discharge tube and preparation method therefor
    • Patent number 9,478,386
    • Issue date Oct 25, 2016
    • Shenzhen Bencent Electronics Co., Ltd.
    • Meng Fu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of making and use of an automatic system to increase the ope...
    • Patent number 9,275,818
    • Issue date Mar 1, 2016
    • Mark A. Zeh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cathode construction for linear beam tubes
    • Patent number 4,147,953
    • Issue date Apr 3, 1979
    • English Electric Valve Company Limited
    • Maurice Esterson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2984762
    • Patent number 2,984,762
    • Issue date May 16, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2869009
    • Patent number 2,869,009
    • Issue date Jan 13, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2867741
    • Patent number 2,867,741
    • Issue date Jan 6, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2760067
    • Patent number 2,760,067
    • Issue date Aug 21, 1956
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2726311
    • Patent number 2,726,311
    • Issue date Dec 6, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2717190
    • Patent number 2,717,190
    • Issue date Sep 6, 1955
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2573416
    • Patent number 2,573,416
    • Issue date Oct 30, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2569249
    • Patent number 2,569,249
    • Issue date Sep 25, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2506644
    • Patent number 2,506,644
    • Issue date May 9, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2502549
    • Patent number 2,502,549
    • Issue date Apr 4, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2470536
    • Patent number 2,470,536
    • Issue date May 17, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2463368
    • Patent number 2,463,368
    • Issue date Mar 1, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2461250
    • Patent number 2,461,250
    • Issue date Feb 8, 1949
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2457950
    • Patent number 2,457,950
    • Issue date Jan 4, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2446553
    • Patent number 2,446,553
    • Issue date Aug 10, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2446554
    • Patent number 2,446,554
    • Issue date Aug 10, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2443324
    • Patent number 2,443,324
    • Issue date Jun 15, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2440308
    • Patent number 2,440,308
    • Issue date Apr 27, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2432260
    • Patent number 2,432,260
    • Issue date Dec 9, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2415816
    • Patent number 2,415,816
    • Issue date Feb 18, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2351055
    • Patent number 2,351,055
    • Issue date Jun 13, 1944
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2316773
    • Patent number 2,316,773
    • Issue date Apr 20, 1943
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents