Patents by Inventor Shigevoshi Tanaka

Shigevoshi Tanaka 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).

  • Storage apparatus
    Patent number: 6766394
    Abstract: A battery pack is detachably provided for a drive main body. When carrying, an interface card and a connector cable are detachably supported and fixed to the drive main body by a holder member, thereby packaging. A power source is supplied from an upper apparatus to a control IC circuit unit of a device via the interface card. Only when both of the power supply from the upper apparatus and the power supply from an external power source unit are detected, the power source from the external power source unit is supplied to a device circuit unit, thereby making the device circuit unit operative.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: July 20, 2004
    Assignee: Fujitsu Limited
    Inventors: Soichi Shimura, Hideki Nishimoto, Shigevoshi Tanaka, Shigeru Kagawa
  • Storage apparatus
    Patent number: 6546495
    Abstract: A battery pack is detachably provided for a drive main body. When carrying, an interface card and a connector cable are detachably supported and fixed to the drive main body by a holder member, thereby packaging. A power source is supplied from an upper apparatus to a control IC circuit unit of a device via the interface card. Only when both of the power supply from the upper apparatus and the power supply from an external power source unit are detected, the power source from the external power source unit is supplied to a device circuit unit, thereby making the device circuit unit operative.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: April 8, 2003
    Assignee: Fujitsu Limited
    Inventors: Soichi Shimura, Hideki Nishimoto, Shigevoshi Tanaka, Shigeru Kagawa