Patents by Inventor Sumio Ayusawa

Sumio Ayusawa 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).

  • Method of sawdust-based cultivation of shiitake (Cortinellus shiitake) and a cultivation water tank used for the method
    Patent number: 6367191
    Abstract: A method of sawdust-based cultivation of Shiitake (Cortinellus Shiitake) and a cultivation water tank used for the method in which a top portion of a cultivation bag which includes a cultivation bed (sawdust-based substrate) is cut to expose a top surface of the cultivation bed and water is poured into a gap between the bag and bed; and a cultivation water tank comprises a framework, water tanks arranged in the framework, sawdust-based substrates arranged in the water tank, a latticed frame, water sprinklers, an air blower and illuminators, a pump connected to the water pipe and the exhaust pipe through a pipe, exhaust pipes provided at a drain pipe so that water may not overflow onto the top surface of the sawdust-based substrates which is characterized in that water is circulated to refrain mushrooms from fruiting and growing from the side and bottom faces of the sawdust-based substrates, but to grow only from the top surface of sawdust-based substrates.
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: April 9, 2002
    Assignee: Kabushiki Kaisha Hokken
    Inventors: Sadayuki Inoue, Sumio Ayusawa, Katsumasa Eda
  • Method of sawdust-based cultivation shitake (Cortinellus shitake)
    Patent number: 6334274
    Abstract: A method of sawdust-based cultivation of Shiitake (Cortinellus Shiitake) in which a number of cultivated primordiums are decreased simply by elevating temporarily a temperature into a zone between 20 degree C. and 40 degree C. during/between a cultivation step and a growing step, thus adjusting a number of grown mushroom fruiting bodies.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: January 1, 2002
    Assignee: Kabushiki Kaisha Hokken
    Inventors: Sadayuki Inoue, Sumio Ayusawa, Katsumasa Eda
  • Shiitake mushroom plant named ‘HS607’
    Patent number: PP12928
    Abstract: The present invention relates to a new, distinct horticultural variety of shiitake mushroom, Lentinus edodes (Berk.) Sing. This new variety, named ‘HS607’, was found by crossbreeding. It is adaptable to both season-off cultivation on logs and short (forcing) or long (natural) term cultivation on sawdust beds.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: September 10, 2002
    Assignees: Hokken Co., LTD
    Inventors: Sadayuki Inoue, Sumio Ayusawa, Shigeo Takano, Katsumasa Eda, Takahiro Yamauchi
  • Shiitake mushroom plant named `Hokken 601`
    Patent number: PP7339
    Abstract: The present invention relates to a new and distinct horticultural variety of shiitake mushroom, Lentinus edodes (Berk.) Sing. This new variety, named "Hokken 601", was discovered by crossbreeding. It is adaptable to short term cultivation in sawdust beds and is characterized by rapid growth in these beds. "Hokken 601" offers superior yields and firmer flesh than other varieties of shiitake.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: September 25, 1990
    Assignee: Hokken Sangyo Co., Ltd.
    Inventors: Sadayuki Inoue, Sumio Ayusawa