Patent Owner

Compare Create Portfolio



Patent Activity in the Last 10 Years


  • No Technology to Display

Top Patents (by citation)

Upgrade to the Premium Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2005/0213,466 Data recording cartridge of the anti-compromise kind and associated anti-compromise processingFeb 16, 05Sep 29, 05[G11B]
6,796,813 Data storage or recording device and process for hermetically connecting a data recording and storage cartridge and receptacleJun 07, 00Sep 28, 04[H01R]
6,091,588 Magnetic tape recorder having a capacitive coupling device in the form of fixed and mobile rings or ring segmentsJan 19, 98Jul 18, 00[G11B]
5,392,507 Method of positioning magnetic heads on a turntableAug 20, 93Feb 28, 95[G11B]
5,359,482 Magnetic head having a system of windings for compensating magnetic leakageFeb 28, 94Oct 25, 94[G11B]
5,287,236 Method and apparatus for recording and/or reading information on a magnetic tapeJun 11, 92Feb 15, 94[G11B]
5,183,219 Coupling for axially locking a reel of a tape cassette and for driving it without backlashMay 22, 91Feb 02, 93[B65H]
5,107,505 Circuit of encoding and formatting data for rotating head recordersJul 06, 89Apr 21, 92[G06F]
5,038,234 Tape drive device for a magnetic recorderMay 18, 89Aug 06, 91[C11B]
4,939,612 Tape guide device for a magnetic recorder/readerFeb 21, 89Jul 03, 90[G11B]
4,910,615 Capacitance sensor for detecting the position of magnetic rotating headsDec 21, 87Mar 20, 90[G11B]
4,881,072 Device for remote meteringMar 09, 87Nov 14, 89[H04Q]
4,870,522 Rotary electric coupling device for a rotating head recorderJun 02, 88Sep 26, 89[G11B]
4,868,774 Digital waveform generator and associated methodDec 28, 88Sep 19, 89[H03M]
4,852,026 Method and apparatus for the evaluation of an angle over an extended rangeJun 25, 86Jul 25, 89[G01B]
4,833,414 Method and apparatus for the identification of a faulty conductor in a multiple supply lineDec 03, 86May 23, 89[G01R]
4,797,846 Digital resonant filterMay 17, 85Jan 10, 89[G06F]
4,796,225 Programmable dynamic shift register with variable shift controlMay 17, 85Jan 03, 89[G06F]
4,780,908 Method and apparatus for signal transmission regulation in differential protectionJun 16, 86Oct 25, 88[H04B]
4,763,103 Process and method for wide band transmission, particularly for data transmission over an electricity distribution networkFeb 13, 86Aug 09, 88[H04M]

View all patents..

Top Inventors for This Owner

Upgrade to the Premium Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.