Patents by Inventor Yoshinobu Yagyu

Yoshinobu Yagyu 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).

  • Soil amendment matters
    Patent number: 4568373
    Abstract: A soil amendment matter is provided which is effective for preventing soils from suffering from injuries due to continuous cropping. This matter is obtained by adding a soil to a medium containing 2-oxo-4-methyl-6-ureidohexahydropyrimidine (OMPU) as nutrient and subjecting the mixture to an aerobic cultivation treatment. Further the matter can contain OMUP as an additional effective component. These matters can be adsorbed on an adsorbent and used.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: February 4, 1986
    Assignee: Chissoasahi Fertilizer Co. Ltd.
    Inventors: Minoru Yasuhara, Yoshinobu Yagyu