Patents by Inventor Koichiroh Kato

Koichiroh Kato 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).

  • Information processing and control system for inter processing apparatus control of storage devices
    Patent number: 9361043
    Abstract: A system having an SMP connection made among each information processing apparatus in units of a module including a CPU, a main memory, an HDD and the like, allows use of the HDDs distributed in the system as a single disk. The SMP connection is made among information processing apparatuses each including one or more CPUs, a main memory, one or more storage devices, and a storage device controller that controls the storage device. The storage device controller in a certain information processing apparatus controls the storage device in the information processing apparatus and the storage device in another information processing apparatus. Each information processing apparatus includes a storage device switch for exclusively switching which of the storage device controller in the information processing apparatus and the storage device controller in another information processing apparatus is connected to the storage device in the information processing apparatus.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: June 7, 2016
    Assignee: HITACHI, LTD.
    Inventors: Koichiroh Kato, Akihiro Umezawa, Nobuo Yagi
  • Information Processing System
    Publication number: 20140344534
    Abstract: A system having an SMP connection made among each information processing apparatus in units of a module including a CPU, a main memory, an HDD and the like, allows use of the HDDs distributed in the system as a single disk. The SMP connection is made among information processing apparatuses each including one or more CPUs, a main memory, one or more storage devices, and a storage device controller that controls the storage device. The storage device controller in a certain information processing apparatus controls the storage device in the information processing apparatus and the storage device in another information processing apparatus. Each information processing apparatus includes a storage device switch for exclusively switching which of the storage device controller in the information processing apparatus and the storage device controller in another information processing apparatus is connected to the storage device in the information processing apparatus.
    Type: Application
    Filed: December 26, 2012
    Publication date: November 20, 2014
    Applicant: HITACHI, LTD.
    Inventors: Koichiroh Kato, Akihiro Umezawa, Nobuo Yagi