Patents by Inventor Yuzaburoh Ban

Yuzaburoh Ban 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).

  • Process of vapor phase epitaxy of compound semiconductors
    Patent number: 4533410
    Abstract: A layer of a compound semiconductor having good quality is formed by disposing a substrate in an epitaxial growth layer, feeding a second reactant gas through a guide member extending from the downstream side to the upstream side of the flow of a first reactant gas, mixing the first reactant gas and second reactant gas, and supplying the resultant gaseous mixture of the first and second reactant gases onto the substrate.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: August 6, 1985
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Mototsugu Ogura, Yuzaburoh Ban, Nobuyasu Hase