Patents by Inventor Katsuhiko Yamakami

Katsuhiko Yamakami 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).

  • Water Treatment Process for Steam Plant
    Publication number: 20100163399
    Abstract: In a steam plant, scale adhesion to the inside of a specific device is prevented, while reducing the amount of an agent such as hydrazine to the lowest possible level. A temporary change in the chemical environment or an approximately periodic variation in the chemical environment is brought about in a channel (21) inside the prescribed device, during operation of the steam plant.
    Type: Application
    Filed: August 28, 2007
    Publication date: July 1, 2010
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Nobuo Ishihara, Sumio Yamauchi, Kazutoyo Murata, Masato Kanedome, Yasuhiko Shoda, Katsuhiko Yamakami