Johannes M. A. Van der Heijden

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an optoelectronic semiconductor device
- Patent number 5,472,907
- Issue date Dec 5, 1995
- U.S. Philips Corporation
- Johannes J. M. Binsma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric lamp and lamp cap
- Patent number 5,001,387
- Issue date Mar 19, 1991
- U.S. Philips Corporation
- Johannes M. A. van der Heijden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric lamp
- Patent number 4,920,297
- Issue date Apr 24, 1990
- U.S. Philips Corporation
- Johannes M. A. van der Heijden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric incandescent lamp
- Patent number 4,404,491
- Issue date Sep 13, 1983
- U.S. Philips Corporation
- Gustaaf F. R. Siaens
- H01 - BASIC ELECTRIC ELEMENTS