Patents by Inventor Tetuo Sekiwa

Tetuo Sekiwa 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).

  • Patent number: 4033291
    Abstract: An apparatus for liquid-phase epitaxial growth is characterized in that the greater part of that surface of a well, made of carbon, which contacts with a solution for liquid-phase epitaxial growth is covered with a fused quartz layer.
    Type: Grant
    Filed: July 10, 1975
    Date of Patent: July 5, 1977
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Makoto Naito, Masaru Kawachi, Tetuo Sekiwa, Minoru Akatsuka, Akinobu Kasami, Masaharu Toyama