Patents by Inventor Keisuke KOIKE

Keisuke KOIKE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MAGNETIC TAPE CARTRIDGE, MAGNETIC TAPE DRIVE, TENSION CONTROL METHOD, METHOD OF HANDLING MAGNETIC TAPE, AND PROGRAM
    Publication number: 20240038269
    Abstract: A magnetic tape cartridge includes a magnetic tape wound around a reel, in which the magnetic tape has a first region, which is a predetermined region influenced by a width change of the magnetic tape accompanied by deformation of the reel due to winding of the magnetic tape, and a second region, which is a region on an outer peripheral side of the reel with respect to the first region, and regarding a degree of elongation in a longitudinal direction of the magnetic tape, the degree of the first region is equal to or larger than the degree of the second region.
    Type: Application
    Filed: July 11, 2023
    Publication date: February 1, 2024
    Inventors: Keisuke KOIKE, Ren ISHIKAWA