Inventor
COOMBS JAMES H
NL10 patents
⚠️ This page may combine multiple inventors who share the name “COOMBS JAMES H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
9 patentsUS5935672AAug 10, 1999
Reversible optical information medium
PHILIPS CORP20 citations92
US5802032ASep 1, 1998
Method and device for recording a mark having a substantially constant number of pulses per unit length independent of writing speed on an optical information carrier
PHILIPS CORP31 citations91
US5708638AJan 13, 1998
Device for optically scanning a recording medium by focusing the best focus or the paraxial focus to the information layer
PHILIPS CORP73 citations91
US5604003AFeb 18, 1997
Optical information carrier
PHILIPS CORP36 citations90
US5876822AMar 2, 1999
Reversible optical information medium
PHILIPS CORP22 citations89
US6256285B1Jul 3, 2001
Optical scanning device
PHILIPS CORP18 citations83
US5479392ADec 26, 1995
Phase change record carries having crystalline nuclei and/or which produce crystallization structures when information is written thereon enabling that information to be more easily erased
PHILIPS CORP8 citations72
US5383172AJan 17, 1995
Information storage system and device for improved erasing of information written on a record carrier
PHILIPS CORP6 citations72
US5255263AOct 19, 1993
Information reading system and record carrier and reading device for use in such a system
PHILIPS CORP13 citations68