Assignee
OPTOTECH INC
US·7 granted patents·211 citations·filing 1985–1988
Top patents by PatentIndex Score
7 records- 0192US4736356AOptical disk driveOPTOTECH INC·Filed 1986·Granted Apr 5, 1988·50 cites·32 claims
- 0283US4791623AFile management system for use in an optical data storage systemOPTOTECH INC·Filed 1986·Granted Dec 13, 1988·58 cites·64 claims
- 0383US4700056AObjective lens focus initialization systemOPTOTECH INC·Filed 1985·Granted Oct 13, 1987·37 cites·36 claims
- 0477US4680594ASingle beam direct read during write and write protect system for use in an optical data storage systemOPTOTECH INC·Filed 1986·Granted Jul 14, 1987·24 cites·11 claims
- 0574US4719610AObjective lens velocity control system for use in an optical data storage systemOPTOTECH INC·Filed 1986·Granted Jan 12, 1988·26 cites·17 claims
- 0647USD296102SOptical disk drive front panelOPTOTECH INC·Filed 1986·Granted Jun 7, 1988·9 cites·1 claims
- 0746US4843603AConcentric photodetector arrangement for focusing and trackingOPTOTECH INC·Filed 1988·Granted Jun 27, 1989·7 cites·30 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →