Patents by Inventor Katsuyuki Hatanaka

Katsuyuki Hatanaka 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: 5702605
    Abstract: A novel bacterium that can produce an enzyme having a wide specificity and being capable of decomposing slimes originating in various molds, yeasts and the like, more particularly, a novel bacterium of the genus Cellulomonas. The enzyme solution prepared by using the above bacterium is excellent in the effects of decomposition and prevention of formation of mold slime and can be applied for controlling slimes in industrial water, such as white water in the papermaking industry or cooling water, removing slime from separative membranes, preventing sludge bulking, washing garbage cages in a kitchen sink, and preserving wood.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: December 30, 1997
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventor: Katsuyuki Hatanaka
  • Patent number: 5607559
    Abstract: A method of forming a metal oxide film on a substrate by a reactive DC sputtering device with introducing thereinto a reaction gas and an inert gas includes the steps of: (a) regulating a flow rate ratio or a pressure ratio of the reaction gas to the inert gas to not higher than 0.4; (b) increasing a power input to the sputtering device to a first predetermined value such that a discharge voltage increases to a maximum value and then decreases from the maximum value; and (c) decreasing the power input from the first predetermined value to a second predetermined value immediately after the discharge voltage starts to decrease from the maximum value so as to suppress a metal formation on the substrate, the steps (b) and (c) being alternately repeated for a certain period for completing the metal oxide formation on the substrate.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: March 4, 1997
    Assignee: Central Glass Company Limited
    Inventors: Masayuki Yamada, Akira Ishikawa, Tadahiko Saito, Kiyoshi Nakase, Katsuyuki Hatanaka, Hiroshi Inaba