Assignee
CIPHER DATA PROD
US·19 granted patents·382 citations·filing 1978–1989
Top patents by PatentIndex Score
19 records- 0193US4573091ACartridge tape driveCIPHER DATA PROD·Filed 1982·Granted Feb 25, 1986·44 cites·17 claims
- 0287US4459628ADisk cartridgeCIPHER DATA PROD·Filed 1982·Granted Jul 10, 1984·41 cites·10 claims
- 0384US4704645ATransport for tape cartridge with leader blockCIPHER DATA PROD·Filed 1985·Granted Nov 3, 1987·31 cites·40 claims
- 0483US4243186ALow profile magnetic tape drive with vacuum actuated auto-threadingCIPHER DATA PROD·Filed 1979·Granted Jan 6, 1981·28 cites·10 claims
- 0582US5025334AAuto-loading transport for tape cartridge with tape access door and belt capstan rollerCIPHER DATA PROD·Filed 1989·Granted Jun 18, 1991·36 cites·37 claims
- 0681US4677508AEndwise loaded cartridge tape driveCIPHER DATA PROD·Filed 1986·Granted Jun 30, 1987·25 cites·52 claims
- 0781US4541019ARecording system for recording data on tape in a disk-recording formatCIPHER DATA PROD·Filed 1982·Granted Sep 10, 1985·33 cites·2 claims
- 0866US4852825AExtraction and insertion mechanism for a leader block of a tape cartridgeCIPHER DATA PROD·Filed 1988·Granted Aug 1, 1989·16 cites·6 claims
- 0965US4672613ASystem for transferring digital data between a host device and a recording mediumCIPHER DATA PROD·Filed 1985·Granted Jun 9, 1987·45 cites·21 claims
- 1061US4609958APrecision bearing for reciprocating a magnetic headCIPHER DATA PROD·Filed 1984·Granted Sep 2, 1986·11 cites·19 claims
- 1157US4785363ACartridge alignment mechanism for tape driveCIPHER DATA PROD·Filed 1986·Granted Nov 15, 1988·11 cites·16 claims
- 1252US4184180AFile protect and amount of tape sensing apparatusCIPHER DATA PROD·Filed 1978·Granted Jan 15, 1980·7 cites·9 claims
- 1351US4949914ATape transport with rigid arm threader mechanism for leader block tape cartridgeCIPHER DATA PROD·Filed 1989·Granted Aug 21, 1990·8 cites·11 claims
- 1451US4809099ATransport for tape cartridge with leader blockCIPHER DATA PROD·Filed 1988·Granted Feb 28, 1989·8 cites·30 claims
- 1550US4933636ASelf-aligning tachometer and method of manufacturing sameCIPHER DATA PROD·Filed 1989·Granted Jun 12, 1990·11 cites·15 claims
- 1649US4500965ACapstanless magnetic tape drive with electronic equivalent to length of tapeCIPHER DATA PROD·Filed 1982·Granted Feb 19, 1985·16 cites·8 claims
- 1748US4236682ASlot loaded, low profile magnetic tape driveCIPHER DATA PROD·Filed 1979·Granted Dec 2, 1980·5 cites·17 claims
- 1838US4206890ATape position sensing apparatus for magnetic tape driveCIPHER DATA PROD·Filed 1978·Granted Jun 10, 1980·3 cites·9 claims
- 1938US4183068AMagnetic tape transport mechanismCIPHER DATA PROD·Filed 1978·Granted Jan 8, 1980·3 cites·7 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →