Patents by Inventor Tokio Wada

Tokio Wada 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).

  • Fuel cell system including coolant additive and ion exchange resin and fuel-cell vehicle
    Patent number: 8951689
    Abstract: A fuel cell system includes fuel cells, a circulation channel of a coolant to cool the fuel cells, and an ion exchange resin provided on the circulation channel to maintain electrical conductivity of the coolant. The coolant contains an additive. The ion exchange resin is prepared so that adsorption of the additive on the ion exchange resin is in a saturated state. A fuel-cell vehicle includes the fuel cell system.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: February 10, 2015
    Assignees: Suzuki Motor Corporation, Showa Water Industries Co., Ltd.
    Inventors: Katsuhiko Sato, Mikio Yasukawa, Akihiro Sagasaki, Tokio Wada, Yoshito Kato
  • FUEL CELL SYSTEM AND FUEL-CELL VEHICLE
    Publication number: 20120064426
    Abstract: A fuel cell system includes fuel cells, a circulation channel of a coolant to cool the fuel cells, and an ion exchange resin provided on the circulation channel to maintain electrical conductivity of the coolant. The coolant contains an additive. The ion exchange resin is prepared so that adsorption of the additive on the ion exchange resin is in a saturated state. A fuel-cell vehicle includes the fuel cell system.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Inventors: Katsuhiko Sato, Mikio Yasukawa, Akihiro Sagasaki, Tokio Wada, Yoshito Kato
  • Labeler
    Patent number: D259495
    Type: Grant
    Filed: November 28, 1978
    Date of Patent: June 9, 1981
    Assignee: Kabushiki Kaisha Shinsei Industries
    Inventor: Tokio Wada
  • Labeler
    Patent number: D272453
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: January 31, 1984
    Assignee: Kabushiki Kaisha Shinsei Industries
    Inventor: Tokio Wada
  • Labeler
    Patent number: D274177
    Type: Grant
    Filed: July 13, 1982
    Date of Patent: June 5, 1984
    Assignee: Kabushiki Kaisha Shinsei Industries
    Inventor: Tokio Wada
  • Labeler
    Patent number: D278832
    Type: Grant
    Filed: October 20, 1982
    Date of Patent: May 14, 1985
    Assignee: Kabushiki Kaisha Shinsei Industries
    Inventor: Tokio Wada