Patents by Inventor Yoshitaka Tsuda

Yoshitaka Tsuda 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).

  • Pressure control valve assembly for an automotive split brake system
    Patent number: 4278299
    Abstract: A buffer or insulation member is interposed between the housing and the movable spring seat of a pressure control valve assembly and constructed to come into contact with the spring seat slightly before the piston abuttingly engages with the wall section, whereby the piston strikes against the wall section at a speed sufficiently reduced to prevent the production of an unpleasant striking sound.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: July 14, 1981
    Assignee: Nissan Motor Company, Ltd.
    Inventors: Yoshitaka Tsuda, Kaoru Sodeyama, Naomasa Tsunada
  • Pressure control valve assembly for a fluid brake system
    Patent number: 4274681
    Abstract: A pressure control valve assembly for a fluid brake system has a piston which rapidly strikes at its one end portion against a shock absorbing abutment member in a concavity of a housing wall section when a fluid under pressure is rapidly released from the valve assembly, thereby preventing the production of an unpleasant sound at such times.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: June 23, 1981
    Assignee: Nissan Motor Company, Limited
    Inventors: Yoshitaka Tsuda, Kaoru Sodeyama, Naomasa Tsunada