Patents by Inventor Roh Mitsuhashi

Roh Mitsuhashi 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).

  • Method and apparatus for controlling data read/write between a hard disk and a hard disk controller
    Patent number: 6961198
    Abstract: An apparatus for controlling data read/write between a hard disk and a hard disk controller is disclosed. The hard disk includes a disk for storing data, multiple read/write heads for reading or writing data onto the disk in accordance with a read request or write request from a requesting device, a non-volatile memory for storing control data in relation to reading data from the disk or writing data to the disk, and a controller for sending the control data to the requesting device in response to a read request or a write request from the requesting device before reading data or writing data.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: November 1, 2005
    Assignee: Hitachi Global Storage Technologies Netherlands N.V.
    Inventors: Hideo Asano, Rakesh Laroia, Takashi Yamazaki, Roh Mitsuhashi
  • Method and apparatus for controlling data read/write between a hard disk and a hard disk controller
    Publication number: 20030189780
    Abstract: An apparatus for controlling data read/write between a hard disk and a hard disk controller is disclosed. The hard disk includes a disk for storing data, multiple read/write heads for reading or writing data onto the disk in accordance with a read request or write request from a requesting device, a non-volatile memory for storing control data in relation to reading data from the disk or writing data to the disk, and a controller for sending the control data to the requesting device in response to a read request or a write request from the requesting device before reading data or writing data.
    Type: Application
    Filed: February 4, 2003
    Publication date: October 9, 2003
    Applicant: International Business Machines Corporation
    Inventors: Hideo Asano, Rakesh Laroia, Takashi Yamazaki, Roh Mitsuhashi