Patents by Inventor Hirobumi Katoh

Hirobumi 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 output controller and data output system using this output controller
    Patent number: 5880447
    Abstract: To provide an output data controller which is capable of protecting the secrecy of print data and enhancing operability and where the degree of freedom of system constructability is high. In a file server, ID data is added to the header file of the print data stored in a first queue, and data representative of copy printing is added to the header file stored in a second queue. In security print mode, print data is not output to a printing device, if an ID and a password number collate with each other in a print server. In copy print mode, print data with data representative of copy printing is selected and output to the printing device.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: March 9, 1999
    Assignees: IBM Japan, Ltd., Advanced Peripherals Technologies, Inc.
    Inventors: Narihiko Okada, Yoshio Kurishita, Hirobumi Katoh, Tetsuo Kanno
  • Print element assignment in printing apparatus
    Patent number: 5524989
    Abstract: The invention relates to a printing apparatus in which at least two printing elements are arranged a predetermined distance apart in a line parallel to the print direction. When two dots to be printed are the same predetermined distance apart as the print elements, only one of those print elements is used to print those dots.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: June 11, 1996
    Assignee: International Business Machines Corporation
    Inventors: Yoshikazu Ichioka, Hirobumi Katoh, Hiroshi Ohmichi