Patents by Inventor Matasaburo Kaga

Matasaburo Kaga 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).

  • Roots type blower with reduced gaps between the rotors
    Patent number: 4666384
    Abstract: A Roots type blower wherein a secondary gap distance for rotor is determined in accordance with a cross angle between a normal line at a point of the outer periphery of theoretical base curve of the rotor and a line extending through said point and the rotor center.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: May 19, 1987
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Matasaburo Kaga, Toshio Takeda
  • Supercharged internal combustion engine having control means responsive to engine speed and accelerator pedal velocity
    Patent number: 4556038
    Abstract: An apparatus for controlling a supercharger driven by an engine or exhaust gas is controlled in response to primarily the changing rate of accelerator (pedal) position, and additional parameters such as time after supercharging start and/or vehicle speed and transmission gear shift position, etc. so that it can precisely respond to the acceleration requirements by the driver with good accelerating performance and fuel economy.
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: December 3, 1985
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Toshiaki Okamoto, Tomio Oguma, Matasaburo Kaga