Patents by Inventor Akio Maedai

Akio Maedai 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: 4083144
    Abstract: Lentinus edodes is artificially cultivated by inoculating an artificial solid granular or fibrous culture medium with fungus seed of Lentinus edodes, cultivating the bed to generate hyphae on the surface thereof, covering localized areas of said surface with an air-permeable coating material before said hyphae become brown, continuing cultivation of said bed to cause the uncovered hyphae to become brown and then subjecting the bed to mushroom-growing conditions.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: April 11, 1978
    Assignee: Kao Soap Co., Ltd.
    Inventors: Noriyoshi Fuzisawa, Akio Maedai, Kenichi Hattori
  • Patent number: 4083145
    Abstract: Lentinus edodes is cultivated in wide-mouth bottles or bags by forming a plurality of holes in the culture medium along the inner wall of the bottle or bag and inoculating the fungus seed into those holes.
    Type: Grant
    Filed: June 22, 1977
    Date of Patent: April 11, 1978
    Assignee: Kao Soap Co., Ltd.
    Inventors: Noriyoshi Fuzisawa, Akio Maedai, Kenichi Hattori