Patents by Inventor Masaru Takenouchi

Masaru Takenouchi 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).

  • Heat exchanger
    Patent number: 4756362
    Abstract: A heat exchanger comprising fins and at least one heat transfer tube. An even number, not smaller than four, of louvers are severed and raised in an alternate and staggered manner with respect to a fin base line between the remaining adjacent fin base. Furthermore, the louvers raised on the same side with respect to the fin base line have heights defined by a line slanted at a constant angle in a stepped manner.
    Type: Grant
    Filed: August 12, 1986
    Date of Patent: July 12, 1988
    Assignee: Hitachi, Ltd.
    Inventors: Mituo Kudoh, Takuji Torii, Seigo Miyamoto, Yoshitomo Sawahata, Mizuho Yokoyama, Masaru Takenouchi, Yoshifumi Kunugi