Patents by Inventor Yukio Kasuga

Yukio Kasuga 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: 4046921
    Abstract: A process for cultivating microorganisms by means of fluidized bed characterized by cultivating a microorganism on a solid culture medium while mixing the solid culture medium in the fluidized bed with an upward gas stream and supplying an atomized liquid into the culture. According to this process, a cultivated product being high in enzymatic activity and quality is obtained with a high efficiency.
    Type: Grant
    Filed: February 4, 1976
    Date of Patent: September 6, 1977
    Assignee: Kikkoman Shoyu Co., Ltd.
    Inventors: Takeshi Akao, Toshio Sakasai, Yoshikazu Matsuyama, Yukio Kasuga