Patents by Inventor Takatoshi Katoh

Takatoshi 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 processing apparatus for transferring data over unidirectional bus
    Patent number: 6298384
    Abstract: The present invention provides a system in which adjoining modules are connected with a bus so that unidirectional data transfer through modules each having a CPU and a shared memory can be realized, and in this system controls are provided so that data from adjoining modules and data form a CPU or a shared memory in the module is simultaneously transferred by a switch in the module according to a destination for transfer.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: October 2, 2001
    Assignee: Fujitsu Limited
    Inventors: Kiyoshi Sudo, Hiroyuki Imoto, Takatoshi Katoh, Shingo Iguchi
  • Data switching apparatus for transferring data over unidirectional bus
    Patent number: 6088735
    Abstract: The present invention provides a system in which adjoining modules are connected with a bus so that unidirectional data transfer through modules each having a CPU and a shared memory can be realized, and in this system controls are provided so that data from adjoining modules and data form a CPU or a shared memory in the module is simultaneously transferred by a switch in the module according to a destination for transfer.
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: July 11, 2000
    Assignee: Fujitsu Limited
    Inventors: Kiyoshi Sudo, Hiroyuki Imoto, Takatoshi Katoh, Shingo Iguchi