Patents by Inventor Naoaki TOKAI

Naoaki TOKAI 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).

  • Patent number: 10783023
    Abstract: A recording control device, a recording control method, and a recording tape cartridge capable of estimating a lifetime of the recording tape cartridge are obtained. A recording control device reads information correlated with an error rate of reading or writing of data from or to a magnetic tape included in a recording tape cartridge, the information being recorded on a RFID tag included in the recording tape cartridge, and a measurement date of the information, and estimates a lifetime of the recording tape cartridge using the read information and the read measurement date, and the information measured at the time of using the recording tape cartridge and a measurement date.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: September 22, 2020
    Assignee: FUJIFILM CORPORATION
    Inventors: Naoaki Tokai, Hirokazu Hashimoto, Yosuke Sumiya
  • Patent number: 10613775
    Abstract: A recording control device reads tape quality information recorded on an RFID tag included in a recording tape cartridge, acquires drive quality information indicating quality of each of a plurality of tape drives that are loading targets of the recording tape cartridge, and prohibits reading or writing of data from or to the recording tape using the tape drive in a combination of which the quality is lower than predetermined quality among combinations of quality of the recording tape cartridge indicated by the read tape quality information and quality of each of the plurality of tape drives indicated by the acquired drive quality information.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: April 7, 2020
    Assignee: FUJIFILM CORPORATION
    Inventors: Naoaki Tokai, Hirokazu Hashimoto, Yosuke Sumiya
  • Publication number: 20190073252
    Abstract: A recording control device, a recording control method, and a recording tape cartridge capable of estimating a lifetime of the recording tape cartridge are obtained. A recording control device reads information correlated with an error rate of reading or writing of data from or to a magnetic tape included in a recording tape cartridge, the information being recorded on a RFID tag included in the recording tape cartridge, and a measurement date of the information, and estimates a lifetime of the recording tape cartridge using the read information and the read measurement date, and the information measured at the time of using the recording tape cartridge and a measurement date.
    Type: Application
    Filed: September 3, 2018
    Publication date: March 7, 2019
    Inventors: Naoaki TOKAI, Hirokazu HASHIMOTO, Yosuke SUMIYA
  • Publication number: 20180314442
    Abstract: A recording control device and a recording control method capable of reducing an error rate of reading or writing of data from or to a recording tape included in a recording tape cartridge are obtained. A recording control device reads tape quality information recorded on an RFID tag included in a recording tape cartridge, acquires drive quality information indicating quality of each of a plurality of tape drives that are loading targets of the recording tape cartridge, and prohibits reading or writing of data from or to the recording tape using the tape drive in a combination of which the quality is lower than predetermined quality among combinations of quality of the recording tape cartridge indicated by the read tape quality information and quality of each of the plurality of tape drives indicated by the acquired drive quality information.
    Type: Application
    Filed: April 17, 2018
    Publication date: November 1, 2018
    Inventors: Naoaki TOKAI, Hirokazu HASHIMOTO, Yosuke SUMIYA