RON KROON

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EINDHOVEN, NL

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Patents Grantslast 30 patents

Information Patent Grant
Electron tube comprising a semiconductor cathode
- Patent number 6,552,485
- Issue date Apr 22, 2003
- Koninklijke Philips Electronics N.V.
- Frederik C. Gehring
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron tube with a cesium source
- Patent number 6,236,154
- Issue date May 22, 2001
- U.S. Philips Corporation
- Ron Kroon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron tube having a semiconductor cathode with lower and higher...
- Patent number 6,198,210
- Issue date Mar 6, 2001
- U.S. Philips Corporation
- Ron Kroon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun with heat dissipation elements
- Patent number 6,166,485
- Issue date Dec 26, 2000
- U.S. Philips Corporation
- Ron Kroon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor cathode and electron tube comprising a semiconductor...
- Patent number 6,064,074
- Issue date May 16, 2000
- U.S. Philips Corporation
- Tom Van Zutphen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron tube having a semiconductor cathode with lower and higher...
- Patent number 5,880,481
- Issue date Mar 9, 1999
- U.S. Philips Corporation
- Ron Kroon
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON TUBE COMPRISING A SEMICONDUCTOR CATHODE
- Publication number 20020079823
- Publication date Jun 27, 2002
- FREDERIK C. GEHRING
- H01 - BASIC ELECTRIC ELEMENTS