Thin film or film-like

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Patents Grantslast 30 patents

Information Patent Grant
Cathode assembly, electron gun assembly, electron tube, heater, and...
- Patent number 6,130,502
- Issue date Oct 10, 2000
- Kabushiki Kaisha Toshiba
- Kazuo Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device based on indirectly heated thermionic cathodes
- Patent number 5,831,382
- Issue date Nov 3, 1998
- Frank Albert Bilan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing a cathode
- Patent number 5,595,933
- Issue date Jan 21, 1997
- U.S. Philips Corporation
- Willem L. C. M. Heijboer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode
- Patent number 5,475,281
- Issue date Dec 12, 1995
- U.S. Philips Corporation
- Willem L. C. M. Heijboer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode heater and cathode assembly for microwave power tubes
- Patent number 5,350,969
- Issue date Sep 27, 1994
- Litton Systems, Inc.
- Todd R. Gattuso
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin high temperature heater
- Patent number 5,155,340
- Issue date Oct 13, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Noriko Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3745403
- Patent number 3,745,403
- Issue date Jul 10, 1973
- H01 - BASIC ELECTRIC ELEMENTS