Patents by Inventor Junji Kawafuku

Junji Kawafuku 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).

  • Al-Cr alloy vapor-deposited material
    Patent number: 4963440
    Abstract: Provided herein is an Al-Cr alloy vapor deposited product having high corrosion resistance which can be used under a corrosive environment for a long period of time on account of the outstanding corrosion resistance and heat resistance of the Al-Cr alloy vapor deposited layer.
    Type: Grant
    Filed: January 19, 1989
    Date of Patent: October 16, 1990
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Kazutoshi Shimogori, Hiroshi Satoh, Masao Toyama, Hidetoshi Nishimoto, Koki Ikeda, Junji Kawafuku