Patents by Inventor Yukio Kashiwaba

Yukio Kashiwaba 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).

  • Oil separator for recycled blow-by gas
    Patent number: 4627406
    Abstract: An oil separator element is housed in a casing of an oil separator and consists of alternatively aligned perforated plates and plate type filter members. Adjacent perforated plates are respectively formed with perforated sections which are located opposite to each other relative to an imaginery vertical plane containing a casing longitudinal axis. A space between neighboring perforated plate and filter member is larger on the downstream side than that on the upstream side. Additionally, each filter member is formed of a three dimensional porous material having an inner structure by which oil mist can effectively coalesce.
    Type: Grant
    Filed: December 5, 1984
    Date of Patent: December 9, 1986
    Assignee: Kabushiki Kaisha Tsuchiya Seisakusho
    Inventors: Kyoji Namiki, Shunji Abe, Shigeki Yamashita, Yukio Kashiwaba
  • Fuel filter provided with a water level detecting means
    Patent number: 4276161
    Abstract: A fuel filter is provided with a water level detector having an electrode (23) provided at a bottom part of a casing (3) of the fuel filter forming a detecting gap with the metal body of the casing (3). Should the water level in the casing of the fuel filter reach a predetermined level, a low resistance condition between the electrode and casing is detected by a water level detecting circuit (26).
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: June 30, 1981
    Assignee: Nissan Motor Company, Limited
    Inventors: Katsuhiko Matsui, Yukio Kashiwaba, Yoshioki Kishimoto