Patents by Inventor Naohiro Ohya

Naohiro Ohya 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 heat exchanger and manufacturing method thereof
    Publication number: 20060102328
    Abstract: A sheet material for the tube 10 includes: a core material 10b; and a sacrifical corrosion material 10c clad on one face of the core material 10b which becomes an outside of the tube 10. A sheet material for the fin is a bare aluminum material on which a brazing filler metal is not clad. A mixture composition 10e, in which powder of a brazing filler metal and flux are mixed with each other, is coated on the outside of the tube 10. The tube 10 and the fin are brazed to each other with this mixture composition 10e. Even after the completion of brazing, the sacrifical corrosion material 10c remains on the outside of the tube 10.
    Type: Application
    Filed: November 16, 2005
    Publication date: May 18, 2006
    Applicants: DENSO Corporation, Sumitomo Light Metal Industries, Ltd.
    Inventors: Taketoshi Toyama, Yoshiharu Hasegawa, Naohiro Ohya, Yasunaga Itoh, Yuji Hisatomi, Hirokazu Tanaka