Patents by Inventor Isao Yanai

Isao Yanai 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).

  • Fungus obtained by the fusion of Grifola umbelleta and Ganoderma lucidum
    Patent number: 5455171
    Abstract: A microorganism exhibiting excellent antibiotic and sterilizing properties for the preparation of medicines and the like, obtained by fusion of cells of two different fungal species. A Ganoderma and a Grifola, each exhibiting little or no antibiotic activity, are isolated and hybridized, and milled to produce a fused cell body. The cell body is black-brown, and has been deposited as deposit No. 3131 (FERM BP-3131).
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: October 3, 1995
    Inventors: Kazuo Yanai, Takeshi Yanai, Isao Yanai
  • 3-(substituted phenyl) pyrazole derivatives herbicidal composition containing the same and method of controlling weeds using said composition
    Patent number: 5112384
    Abstract: A 3-(substituted phenyl)pyrazole derivative or a salt thereof, the derivative being represented by the general formula ##STR1## wherein, X denotes halogen, R.sup.1 denotes lower alkyl, R.sup.2 denotes halogen and R.sup.3 denotes lower alkyl, lower alkenyl or benzyl group, a process for producing said pyrazole derivative, a herbicidal composition containing said pyrazole derivative as an active ingredient, and a method of controlling weeds by applying said composition.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: May 12, 1992
    Assignee: Nihon Nohyaku Co., Ltd.
    Inventors: Yuzo Miura, Masanobu Ohnishi, Tsutomu Mabuchi, Isao Yanai
  • 3-(substituted phenyl)pyrazole derivatives, salts thereof, and herbicides therefrom
    Patent number: 5032165
    Abstract: There are disclosed a (3-substituted phenyl)pyrazole derivative represented by the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X are various substituents and a salt thereof, and its production process. Said pyrazole derivative or its salt is useful as a herbicide for controlling various injurious weeds.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: July 16, 1991
    Assignee: Nihon Nohyaku Company, Ltd.
    Inventors: Yuzo Miura, Tsutomu Mabuchi, Mitsuru Kajioka, Isao Yanai
  • 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