Patents by Inventor Akihiro Sagara

Akihiro Sagara 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 bonding aluminum members
    Patent number: 6148515
    Abstract: The method of the present invention comprises the steps of:providing a first aluminum member and a second aluminum member to be bonded to each other;forming a zinc alloy soldering layer on the surface while applying ultrasonic vibration to any one of the first aluminum member and the second aluminum member; andbonding the first aluminum member and the second aluminum member through the zinc alloy soldering layer. That is, the first aluminum member and the second aluminum member are formed by casting. The first aluminum member is thereafter immersed in a molten zinc alloy soldering bath. Ultrasonic vibration is applied, and a zinc alloy soldering layer is formed in a prescribed region of the first aluminum member. Further, a zinc alloy soldering layer is formed in a prescribed region of the second aluminum member in the same manner as in the first aluminum member. Then, the first aluminum member and the second aluminum member are bonded through the zinc alloy soldering layer.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: November 21, 2000
    Assignee: Suzuki Motor Corporation
    Inventors: Nobuaki Suzuki, Akihiro Sagara, Shigenori Yamada, Sotaro Terada, Yutaka Takayanagi, Hidehiko Amano, Yoichi Shimasaki, Masahiro Takahashi