Patents by Inventor Norio Saitoh

Norio Saitoh 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).

  • Printer system and image processing method, and computer-readable recording medium with a program for making a computer execute the image processing method recorded therein
    Patent number: 6950207
    Abstract: A printer system comprises a printer driver that adds drawing-object information for identifying the type of drawing object to print data that is output to a printer. The printer system further comprises a printer controller that selects dither data matching the drawing object based on the drawing-object information added to the print data, performs dithering on the print data, and expands the data to an image.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: September 27, 2005
    Assignee: Ricoh Company, Ltd.
    Inventor: Norio Saitoh
  • Load sensor for variable displacement pumps
    Patent number: 5725360
    Abstract: A system for controlling a discharge flow rate of a variable displacement pump within an oil hydraulic circuit is disclosed. A bypass with a flow restricting valve couples the pressure control chamber of the discharge flow rate controller to the tank line to thereby allow a part of the oil in the pressure control chamber to escape through the bypass to the tank line. This escape occurs when a highly pressured oil is rapidly injected into the pressure control chamber of the discharge flow rate controller as a result of switching operations of both the pressure compensated valve and the load sensing valve.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 10, 1998
    Assignee: Toshiba Machine Co., Ltd.
    Inventors: Satoshi Matsumoto, Norio Saitoh, Shigeru Matsuo, Yasuo Kato