Dirk J. Gravesteijn

Person

Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Master disc suitable for the manufacture of matrices containing a r...
- Patent number 5,114,829
- Issue date May 19, 1992
- U.S. Philips Corporation
- Dirk J. Gravesteijn
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a metal matrix and a master disc suitable f...
- Patent number 5,019,487
- Issue date May 28, 1991
- U.S. Philips Corporation
- Dirk J. Gravesteijn
- G11 - INFORMATION STORAGE
Information Patent Grant
Record carrier with a preformed information track for recording inf...
- Patent number 4,872,156
- Issue date Oct 3, 1989
- U.S. Philips Corporation
- Christiaan Steenbergen
- G11 - INFORMATION STORAGE
Information Patent Grant
Erasable optical recording element and method of optically recordin...
- Patent number 4,818,666
- Issue date Apr 4, 1989
- U.S. Philips Corporation
- Dirk J. Gravesteijn
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of optically recording and erasing information
- Patent number 4,816,385
- Issue date Mar 28, 1989
- U.S. Philips Corporation
- Dirk J. Gravesteijn
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for the optical recording of information and an optical reco...
- Patent number 4,808,514
- Issue date Feb 28, 1989
- U.S. Philips Corporation
- Dirk J. Gravesteijn
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a water-insoluble dye layer on a substrate...
- Patent number 4,767,421
- Issue date Aug 30, 1988
- U.S. Philips Corp.
- Jan van der Veen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for the optical recording of information and an optical reco...
- Patent number 4,647,944
- Issue date Mar 3, 1987
- U.S. Philips Corporation
- Dirk J. Gravesteijn
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording element having a pyrylium or thiopyrylium-squarylium dye...
- Patent number 4,508,811
- Issue date Apr 2, 1985
- U.S. Philips Corporation
- Dirk J. Gravesteijn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Dirk J. Gravesteijn

Person

Patents Grantslast 30 patents

Master disc suitable for the manufacture of matrices containing a r...

Method of manufacturing a metal matrix and a master disc suitable f...

Record carrier with a preformed information track for recording inf...

Erasable optical recording element and method of optically recordin...

Method of optically recording and erasing information

Method for the optical recording of information and an optical reco...

Method of manufacturing a water-insoluble dye layer on a substrate...

Method for the optical recording of information and an optical reco...

Recording element having a pyrylium or thiopyrylium-squarylium dye...