Assignee
OPTICAL DATA INC
US·7 granted patents·336 citations·filing 1986–1988
Top patents by PatentIndex Score
7 records- 0196US4719615AErasable optical data storage mediumOPTICAL DATA INC·Filed 1986·Granted Jan 12, 1988·178 cites·21 claims
- 0285US4852075AErasable optical data storage medium and method and apparatus for recording data on the mediumOPTICAL DATA INC·Filed 1986·Granted Jul 25, 1989·37 cites·5 claims
- 0383US4825430AErasable optical data storage medium having an embedded servo track and a subsurface recording interfaceOPTICAL DATA INC·Filed 1986·Granted Apr 25, 1989·32 cites·16 claims
- 0482US4780867AMethod for erasably recording data by viscoelastic shear deformationOPTICAL DATA INC·Filed 1986·Granted Oct 25, 1988·30 cites·7 claims
- 0581US4896314ABump-forming media including thin intermediate reflective layer and methods for writing, reading, and erasing sameOPTICAL DATA INC·Filed 1988·Granted Jan 23, 1990·29 cites·22 claims
- 0673US4912696AErasable optical data storage medium and method and apparatus for recording data on the mediumOPTICAL DATA INC·Filed 1988·Granted Mar 27, 1990·20 cites·13 claims
- 0758US4901304AErasable optical data storage medium having a zoned integral recording layerOPTICAL DATA INC·Filed 1986·Granted Feb 13, 1990·10 cites·30 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →