Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127068 | Removable cartridge storage devices and methods | — | 2012-02-28 |
| 8060893 | Data storage cartridge with optical waveguide | — | 2011-11-15 |
| 8019908 | Data replication systems and methods | — | 2011-09-13 |
| 7694884 | Removable cartridge identification system | Christopher Thomas Bukowski | 2010-04-13 |
| 7612994 | Hard drive cartridge protection | Michael H. Ulrich | 2009-11-03 |
| 7417819 | Extendable virtual autoloader systems and methods | — | 2008-08-26 |
| 7246210 | Archival cartridge management system with auto-refresh | David M. Perry | 2007-07-17 |
| 6975789 | Wavelength router | Robert T. Weverka | 2005-12-13 |
| 6707550 | Wavelength monitor for WDM systems | Robert T. Weverka | 2004-03-16 |
| 6501877 | Wavelength router | Robert T. Weverka, Richard Roth | 2002-12-31 |
| 6128698 | Tape drive emulator for removable disk drive | — | 2000-10-03 |
| 5726826 | Capstanless helical drive system | Robert Joseph Miles, James Zweighaft | 1998-03-10 |
| 5680269 | Method and apparatus for controlling media linear speed in a helical scan recorder by reading servo information just after writing the servo information | James Zweighaft, Timothy C. Hughes | 1997-10-21 |
| 5369285 | Method and apparatus for optical detection of cleaning medium in an information storage drive | Robert Sugar, Rodney Brittner, THOMAS DEAN FOX | 1994-11-29 |
| 5142422 | Dual channel helical recorder | Christopher P. Zook, Robert Bordasch, Alireza Atai-Azimi, Christopher Pisciotta, Steve E. Haughland +1 more | 1992-08-25 |
| 5068757 | Servo tracking for helical scan recorder | Timothy C. Hughes | 1991-11-26 |
| 5065261 | Method and apparatus for synchronizing timing signals for helical scan recorder | Timothy C. Hughes | 1991-11-12 |
| 5050018 | Apparatus and method for reading helically recorded tracks and rereading tracks as necessary | E. Christopher Pisciotta | 1991-09-17 |
| 4845577 | Apparatus and method for enabling rapid searching of helically recorded magnetic tape | Juan A. Rodriguez, E. Christopher Pisciotta | 1989-07-04 |
| 4843495 | Cyclical servo zone tracking method and apparatus for helical scan recording devices | Kelly J. Beavers, Steve E. Haugland | 1989-06-27 |
| 4533991 | Adaptive feedforward servo system | — | 1985-08-06 |
| 4502647 | Tape attached sensor | James Zweighaft | 1985-03-05 |