Patents by Inventor Tadayoshi Aono

Tadayoshi Aono 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 for separation of high purity gas from mixed gas
    Patent number: 4775394
    Abstract: In a PSA separation method, a specific gas component is selectively adsorbed from mixture gas. After flushing with gas, the gas component is recovered by desorption. This desorption is divided into initial, middle and final stages. The gas component separated at the middle stage is recovered as product gas, while the gas recovered at the initial and final stages is used as the flushing gas.
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: October 4, 1988
    Assignees: Nippon Steel Corporation, Sumitomo Chemical Company Limited, Seitetsu Kagaku Co., Ltd.
    Inventors: Matsuki Yamano, Tadayoshi Aono, Makoto Kurimoto, Masaru Uno