Patents by Inventor Yukio Hariki

Yukio Hariki 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).

  • Cultivation of phototrophic bacteria in the absence of ultraviolet light
    Patent number: 4467035
    Abstract: Cultivation of phototrophic bacteria such as in the treatment of organic wastes is carried out in a light field substantially free from ultraviolet light having a wavelength of not more than 340 nm. This process promotes growth of the phototrophic bacteria and improves quality of the resulting bacterial cell.
    Type: Grant
    Filed: July 16, 1982
    Date of Patent: August 21, 1984
    Assignee: Nippon Carbide Kogyo Kabushiki Kaisha
    Inventors: Isamu Harasawa, Yukio Hariki, Katsuhiko Maeda, Koichi Nakamura
  • Method for cultivating algae and a covering material used therefor
    Patent number: 4235043
    Abstract: A method for cultivating an alga, which comprises growing the alga in a light field substantially free from light of wavelengths of not more than 340 nm; and a covering material for use in the cultivation of algae, said covering material substantially inhibiting the transmission of light of wavelengths of not more than 340 nm.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: November 25, 1980
    Assignee: Nippon Carbide Kogyo Kabashiki Kaisha
    Inventors: Isamu Harasawa, Yukio Hariki, Katsuhiko Maeda, Kouichi Nakamura