Inventor
GRAVESTEIJN DIRK J
NL10 patents
Patents
10 patentsUS4508811AApr 2, 1985
Recording element having a pyrylium or thiopyrylium-squarylium dye layer and new pyrylium or thiopyrylium-squarylium compounds
PHILIPS CORP88 citations94
US4647944AMar 3, 1987
Method for the optical recording of information and an optical recording element used in the method
PHILIPS CORP28 citations91
US4818666AApr 4, 1989
Erasable optical recording element and method of optically recording and erasing information
PHILIPS CORP30 citations86
US4872156AOct 3, 1989
Record carrier with a preformed information track for recording information with a radiation beam
PHILIPS CORP8 citations73
US4816385AMar 28, 1989
Method of optically recording and erasing information
PHILIPS CORP13 citations72
US4767421AAug 30, 1988
Method of manufacturing a water-insoluble dye layer on a substrate and substrate comprising a dye layer of a cationic dye or an anionic dye ion exchanged with an opposite ion
PHILIPS CORP11 citations70
US4808514AFeb 28, 1989
Method for the optical recording of information and an optical recording element used in the method
PHILIPS CORP3 citations61
US5569952AOct 29, 1996
Semiconductor device with a semiconductor element provided in a mesa structure
PHILIPS CORP3 citations60
US5114829AMay 19, 1992
Master disc suitable for the manufacture of matrices containing a recording double layer
PHILIPS CORP2 citations60
US5019487AMay 28, 1991
Method of manufacturing a metal matrix and a master disc suitable for the manufacture of matrices
PHILIPS CORP2 citations60