Patents by Inventor Masahiro Itai

Masahiro Itai 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).

  • Method of controlling electrocoating bath and apparatus therefor
    Patent number: 4501649
    Abstract: The present invention provides a method of controlling an electrocoating bath using an ion exchange resin. The ion exchange resin is maintained in a porous container in a suspended state in the electrocoating bath, and is used in a quantity of not more than the chemical equivalent of excess counter-ion to be removed from the bath. Bath control is easily achieved without any coagulation trouble as often observed in conventional column methods.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: February 26, 1985
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Nobuo Furuno, Yoshio Ota, Masahiro Itai, Akio Tokuyama, Eiichi Nakano