Patents by Inventor Tokimasa Hayashibara

Tokimasa Hayashibara 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).

  • Artificial soil and construction of bed soil for putting green using artificial soil
    Patent number: 4812339
    Abstract: According to the present invention, an artificial soil, which has compound effects, and is used in a wide range, and is easy to handle, is obtained by mixing Shirasu, fine particles of fossils, pulverized organic materials and soil-aggregating agent powders, and a construction of a bed soil for a putting green having excellent drainage and water-holding property and fertilizer-holding property is obtained by forming the bed soil of an upper growth layer formed of the artificial soil formed of a mixture comprising Shirasu, fine particles of fossils, pulverized organic materials and soil-aggregating agent powders, sands and soils and a lower drainage-layer formed of sands or mainly comprising sands.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: March 14, 1989
    Assignee: Nisshoku Corporation
    Inventors: Masashi Shibata, Iwao Hayakawa, Tokimasa Hayashibara