Patents by Inventor Katsuhiko Katoh

Katsuhiko Katoh 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).

  • Data storage device and data processing method
    Publication number: 20030218816
    Abstract: Objet
    Type: Application
    Filed: April 10, 2003
    Publication date: November 27, 2003
    Applicant: International Business Machines Corporation
    Inventors: Katsuhiko Katoh, Takashi Kuroda, Hiroshi Uchiike, yasuhiro Takase
  • Data storage apparatus, read data processor, and read data processing method
    Publication number: 20030112669
    Abstract: To improve the probability of error correction, thereby generating correct read data. Data is read from the same sector by a number of times and a majority decision is done in the same address, thereby the most frequently read value is regarded as the true data value in the address. For example, for an address 00, “00” is handled as a true data value.
    Type: Application
    Filed: October 23, 2002
    Publication date: June 19, 2003
    Applicant: International Business Machines Corporation
    Inventors: Yukio Fukushima, Katsuhiko Katoh, Shunsuke Kobayashi, Takashi Kuroda, Yuzo Nakagawa, Fuminori Sai, Emi Shimono, Tetsuya Tamura, Tetsuo Ueda