Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Single-substrate multi-layer optical disk for read-only storage and phase change rewritable storage

Single-substrate multi-layer optical disk for read-only storage and phase change rewritable storage

US Patent 5708653 · Granted Jan 13, 1998

Estimated economic value: $21,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Optical information recording and reproducing medium2009
Optical information-recording medium and optical information recording/reproduci2006
Information-recording medium and information reproducing apparatus2004
Optical information recording medium and methods for recording, reading, and era2003
Optical information recording apparatus, optical recording medium, and method or2000
Optical recording media2000
Apparatus for optically recording data into a disc2000
System and method for simultaneously verifying optical data writing and optical 1999
High density optical information recording medium using high refractive index la1999
Phase change optical disk and a method for recording and playbacking optical inf1999
System and method for simultaneously verifying optical data writing and optical 1998
Optical information recording medium1997