Willem L.C.M. Heijboer

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of photolithographically metallizing at least the inside of...
- Patent number 6,045,979
- Issue date Apr 4, 2000
- U.S. Philips Corporation
- Gijsbertus A.C.M. Spierings
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of photolithographically metallizing at least the inside of...
- Patent number 5,824,454
- Issue date Oct 20, 1998
- U.S. Philips Corporation
- Gijsbertus A.C.M. Spierings
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of photolithographically metallizing at least the inside of...
- Patent number 5,744,283
- Issue date Apr 28, 1998
- U.S. Philips Corporation
- Gijsbertus A.C.M. Spierings
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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