Western Digital Technologies Assigned Patent
High capacity captive tape drive
By Francis Pelletier | January 16, 2026 at 2:00 pmWestern Digital Technologies, Inc., San Jose, CA, has been assigned a patent (12518788) developed by Biskeborn; Robert G., Hollister, CA, Kobayashi; Masahito, Fujisawa, Japan, and Olson; Trevor W., San Jose, CA, for a “high capacity captive tape drive.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: “The present disclosure generally relates to a captive tape drive comprising a tape head. The captive drive comprises an upper assembly, the upper assembly comprising a first tape, a first supply reel, a first take-up reel, and two or more rollers. The captive tape drive further comprises a lower assembly disposed below the upper assembly, the lower assembly comprising a second tape, a second supply reel, a second take-up reel, and two or more rollers. The tape head is disposed between the plurality of rollers, and is configured to move between the upper assembly and the lower assembly to access the first and second tapes. The tape head comprises one or more modules, each module comprising 64 writers and 64 readers. Each module is configured to write data to the first and second tapes using the 64 writers and to read verify the newly written data using the 64 readers.”
The patent application was filed on 2023-08-03 (18/229774).






