Patents by Inventor Tooru Katayama

Tooru Katayama 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).

  • Switch device and data transfer system
    Publication number: 20020181456
    Abstract: A switch device includes ports, a switching part for switching data received via the ports in accordance with destinations of the data, a memory part for storing the data received via the ports, and an interface part for enabling access to the memory part from a processing device that is provided outside of the switch device and processes the data stored in the memory part.
    Type: Application
    Filed: September 12, 2001
    Publication date: December 5, 2002
    Applicant: Fujitsu Limited
    Inventors: Tooru Katayama, Norio Abe
  • Digital video disc player
    Patent number: D448354
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: September 25, 2001
    Assignee: Teac Corporation
    Inventors: Masafumi Ito, Shigeru Hasegawa, Tooru Katayama
  • Digital video disc player
    Patent number: D450670
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: November 20, 2001
    Assignee: Teac Corporation
    Inventors: Masafumi Ito, Shigeru Hasegawa, Tooru Katayama
  • Label printer with disc recorder
    Patent number: D558817
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: January 1, 2008
    Assignee: Teac Corporation
    Inventor: Tooru Katayama
  • Remote controller for a disc recording/reproducing unit
    Patent number: D357917
    Type: Grant
    Filed: June 8, 1993
    Date of Patent: May 2, 1995
    Assignee: TEAC Corporation
    Inventors: Masafumi Ito, Shigeru Hasegawa, Katsuhiro Takashima, Tooru Katayama
  • Optical disc player
    Patent number: D391571
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: March 3, 1998
    Assignee: TEAC Corporation
    Inventors: Masafumi Ito, Shigeru Hasegawa, Keiji Tsunoda, Tooru Katayama