Patents by Inventor Tadayoshi Kuronaga

Tadayoshi Kuronaga 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).

  • Patent number: 4917042
    Abstract: An apparatus for degreasing plastic automobile parts has a degreasing tank with a liquid degreasing agent reservoir in the bottom thereof and a degreasing vapor space thereabove, a heater in the reservoir for heating degreasing agent for vaporizing it, and a parts conveyor extending through the tank and having a downwardly inclined portion extending downwardly into the degreasing vapor space from one end to a nadir within the degreasing vapor space and an upwardly inclined portion extending out of the degreasing vapor space. Several cooling coils extend around the inside of the tank with an uppermost cooling coil at a level corresponding to the top of the degreasing vapor space and the remaining coils being spaced downwardly into said degreasing vapor space at intervals.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: April 17, 1990
    Assignee: Mazda Motor Manufacturing (USA) Corporation
    Inventors: Tadayoshi Kuronaga, Yuji Tanaka, Kikuo Kato
  • Patent number: 4768462
    Abstract: An automatic spray coating apparatus for vehicle bodies comprises first and second cocating stations, said first coating station being provided with a coating robot for coating a front door on one of the sides and the vicinity thereof and a coating robot for coating a rear door on the other side and the vicinity thereof, said second coating station being provided with two coating robots for respectively coating the other doors and the vicinity thereof, and at least one coating robot which coats the insides of an engine compartment and trunk, while the vehicle body is standing still at least one of the first or second coating stations. According to the present invention, it is possible to reduce the time required for coating vehicle bodies with a smaller number of coating stations and to efficiently coat vehicle bodies without interference between coating robots.
    Type: Grant
    Filed: April 17, 1987
    Date of Patent: September 6, 1988
    Assignee: Mazda Motor Corporation
    Inventors: Tadayoshi Kuronaga, Toshihumi Ogasahara, Hideyuki Katoh, Shigehiro Furuya