Igolt Pieter Douwes Ubbens

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for optically scanning a recording medium by focusing the be...
- Patent number 5,708,638
- Issue date Jan 13, 1998
- U.S. Philips Corporation
- Josephus J. M. Braat
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method for recording on multi-layer phase-change optical discs
- Publication number 20030048733
- Publication date Mar 13, 2003
- Jacobus Petrus Josephus Heemskerk
- G11 - INFORMATION STORAGE