Patents by Inventor Takeo Ishiguro

Takeo Ishiguro 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).

  • Azolyl cycloalkanol derivatives and agricultural fungicides
    Patent number: 5091539
    Abstract: Novel 1-substituted -2-imidazolyl (or 1,2,3-triazolyl)cyclohexanols or cycloheptanols having anti-fungal activity against wide range of agricultural fungi with vapor effect.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: February 25, 1992
    Assignee: Shionogi & Co., Ltd.
    Inventors: Yasuo Makisumi, Akira Murabayashi, Takayuki Hatta, Takeo Ishiguro
  • Thiazinephosphonic acid derivatives
    Patent number: 4681874
    Abstract: Novel thiazinephosphonic acid derivatives (I): ##STR1## wherein R.sup.1 and R.sup.2 each is lower alkoxy, lower alkynyloxy, lower alkylthio, arylthio (e.g., monocyclic aromatic group), or lower alkylamino; R.sup.3 and R.sup.4 each is hydrogen or lower alkyl; R.sup.5, R.sup.6, and R.sup.7 each is hydrogen, lower alyl, lower alkoxy, halogen, or trifluoromethyl; and X is oxygen or sulfur, are disclosed. A method for the production thereof, and pesticides comprising said compounds (I) are provided.
    Type: Grant
    Filed: September 6, 1985
    Date of Patent: July 21, 1987
    Assignee: Shionogi & Co., Ltd.
    Inventors: Yoshio Hayase, Mitsuhiro Ichinari, Junji Taguchi, Takeo Ishiguro, Toshio Takahashi
  • Ether compounds carrying substituted silyl group
    Patent number: 4663314
    Abstract: A compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each phenyl optionally substituted by one selected from the group consisting of C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, C.sub.1 -C.sub.5 alkylthio, C.sub.1 -C.sub.5 alkylenedioxy, halogen, nitro, and halogeno-C.sub.1 -C.sub.5 alkoxy; R.sup.3 and R.sup.4 are each C.sub.1 -C.sub.5 alkyl; and Z is N or CH. A method for preparing the compound (I) and a pesticidal formulation containing the same are also provided.
    Type: Grant
    Filed: May 6, 1986
    Date of Patent: May 5, 1987
    Assignee: Shionogi & Co., Ltd.
    Inventors: Yoshio Hayase, Toshikazu Ohtsuka, Takeo Ishiguro, Toshio Takahashi
  • Miticidal compositions comprising antibiotic K-41
    Patent number: 4148881
    Abstract: This invention relates to miticidal compositions comprising antibiotic K-41 having a combating effect against a broad variety of mites.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: April 10, 1979
    Assignee: Shionogi & Co., Ltd.
    Inventor: Takeo Ishiguro
  • Miticidal compositions comprising 2-(p-tert.-butylphenoxy)cyclohexyl 2-propynyl sulfite and dibenzyl disulfide
    Patent number: 4017635
    Abstract: This invention relates to miticidal compositions. More particularly, it is directed to compositions comprising 2-(p-tert.-butylphenoxy)cyclohexyl 2-propynyl sulfite and dibenzyl disulfide. The compositions have a synergistic effect on adulticidal and ovicidal activities against a broad variety of mites.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: April 12, 1977
    Assignee: Shionogi & Co., Ltd.
    Inventor: Takeo Ishiguro