Patents Assigned to Nippon Carbide Kogyo Kabashiki Kaisha
  • 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