Patents by Inventor Shoichi Shibayama

Shoichi Shibayama 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).

  • Diphenyl ether and herbicide containing the same
    Patent number: 4226616
    Abstract: A diphenyl ether represented by the general formula (I), ##STR1## wherein R is a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxyethyl group, the alkoxy substituent of which having 1 to 4 carbon atoms, or a lower alkoxyethoxyethyl group, the alkoxy substituent of which having 1 to 4 carbon atoms is capable of controlling annual and perennial weeds.
    Type: Grant
    Filed: January 25, 1978
    Date of Patent: October 7, 1980
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Kunikazu Hiraga, Shoichi Shibayama, Isao Yanai, Tatsuo Harada
  • Tetrahydrophthalimide and herbicide containing the same
    Patent number: 4157256
    Abstract: N-(p-trifluoromethoxyphenyl)-3,4,5,6-tetrahydrophthalimide and N-(p-trifluoromethylthiophenyl)-3,4,5,6-tetrahydrophthalimide are capable of controlling annual and perennial weeds with high selectivity.
    Type: Grant
    Filed: January 25, 1978
    Date of Patent: June 5, 1979
    Assignee: Nihon Nohyaku Co. Ltd.
    Inventors: Kunikazu Hiraga, Shoichi Shibayama, Isao Yanai, Tatsuo Harada