Patents by Inventor Tatsuyuki Ujie

Tatsuyuki Ujie 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).

  • Aluminum brazing paste
    Patent number: 5173126
    Abstract: Discloses an aluminium brazing paste which not only has excellent preservability and coating performance but also reveals excellent brazing characteristics; said aluminium brazing paste according to this invention comprises, per 100 parts by weight of aluminum-containing metal powder with 10 to 500 .mu.m of mean particle size for aluminium brazing, of 0.5 to 15 parts by weight of flux and 30 to 80 parts by weight of a liquid polyisobutylene with 300 to 1500 of average molecular weight and/or its hydrogenated product.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: December 22, 1992
    Assignees: Kabushiki Kaisha Nihon Genma, Toyo Aluminium Kabushiki Kaisha
    Inventors: Toshiaki Ogura, Tadashi Takemoto, Tatsuyuki Ujie