Patents by Inventor Michio Miyazawa

Michio Miyazawa 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).

  • Coating composition and method of coating granular fertilizer with same
    Patent number: 5310785
    Abstract: The disclosure relates to a coating composition for forming a coating film on a granular fertilizer in order to delay the release of plant nutrient elements therefrom. The coating composition includes an oil-modified alkyd resin and an unsaturated oil containing a conjugated double bond. The granular fertilizer can be coated with the coating composition without using an organic solvent.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: May 10, 1994
    Assignees: Central Glass Company, Limited, Shinto Paint Co., Ltd.
    Inventors: Masanori Hayakawa, Michio Miyazawa, Yoshisada Hayase, Hiroshi Hotta, Osamu Kondo