Patents by Inventor Junya Takahashi

Junya Takahashi 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).

  • Fungicidal N-pyridinylamide derivatives
    Patent number: 4672070
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, particularly their strains resistance to benzimidazole or thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: June 9, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Toshiro Kato, Katsuzo Kamoshita
  • Fungicidal aniline derivatives
    Patent number: 4666938
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, particularly their strains resistant to benzimidazole and thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: May 19, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Katsuzo Kamoshita
  • Fungicidal anilides
    Patent number: 4666943
    Abstract: Use of an anilide of the formula: ##STR1## as a fungicidal agent against phytophatogenic fungi, particularly their strains resistant to benzimidazole thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: July 19, 1983
    Date of Patent: May 19, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Noguchi, Toshiro Kato, Junya Takahashi, Yukio Ishiguri, Shigeo Yamamoto, Naonori Hirata
  • Fungicidal aniline derivatives
    Patent number: 4647583
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, and particularly against strains resistant to benzimidazole, thiophanate and/or cyclic imide fungicides.
    Type: Grant
    Filed: April 15, 1983
    Date of Patent: March 3, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Hiroshi Noguchi, Yukio Ishiguri, Shigeo Yamamoto, Katsuzo Kamoshita
  • Fungicidal aniline derivatives
    Patent number: 4647582
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, and particularly against strains resistant to benzimidazole, thiophanate and/or cyclic imide fungicides.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: March 3, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Katsuzo Kamoshita
  • Fungicidal aniline derivatives
    Patent number: 4647584
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, and particularly against strains resistant to benzimidazole, thiophanate and/or cyclic imide fungicides.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: March 3, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Katsuzo Kamoshita
  • Fungicidal N-phenylcarbamates
    Patent number: 4608385
    Abstract: Use of an N-phenylcarbamate of the formula: ##STR1## as a fungicidal agent against phytopathogenic fungi, particularly their strains resistant to benzimidazole thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: October 22, 1982
    Date of Patent: August 26, 1986
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Noguchi, Toshiro Kato, Junya Takahashi, Yukio Ishiguri, Shigeo Yamamoto, Katsuzo Kamoshita
  • Fungicidal carbamate compounds
    Patent number: 4605668
    Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, and particularly the strains resistant to benzimidazole, thiophanate and/or cyclic imide fungicides.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: August 12, 1986
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Hiroshi Noguchi, Yukio Oguri, Shigeo Yamamoto, Katsuzo Kamoshita
  • Fungicidal carbamates useful against fungi resistant to benzamidazole fungicides
    Patent number: 4501756
    Abstract: Use of a compound of the formula: ##STR1## wherein X and Y are, same or different, each a lower alkyl group, a lower alkoxy group or a halogen atom and R is a methyl group or an ethyl group as a fungicidal agent against plantpathogenic fungi, particularly their drug-resistant strains.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: February 26, 1985
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshiro Kato, Junya Takahashi, Katsuzo Kamoshita
  • Fungicidal N-phenylcarbamates
    Patent number: 4482546
    Abstract: Use of an N-phenylcarbamate of the formula: ##STR1## as a fungicidal agent against phytophatogenic fungi, particularly strains which are resistant to benzimidazole thiophanate fungicides and/or cyclic imide fungicides.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: November 13, 1984
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Toshiro Kato, Katsuzo Kamoshita
  • N'-Phenyl-N-methylurea derivatives
    Patent number: 4437880
    Abstract: A compound of the formula: ##STR1## wherein R is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, X is a C.sub.3 -C.sub.4 alkylene group or a C.sub.3 alkenylene group, Y is a hydrogen atom or a chlorine atom, A is a methyl group or a methoxy group and the substituted ureido group is present at the m- or p-position to the group of the formula: ##STR2## which is useful as a herbicide.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: March 20, 1984
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junya Takahashi, Ichiki Takemoto, Katsuzo Kamoshita, Ryo Yoshida, Haruhiko Katoh, Seizo Sumida
  • Urea derivatives, and their production and use
    Patent number: 4334912
    Abstract: A compound of the formula: ##STR1## wherein A is a hydrogen atom, a methyl group or a methoxy group, X is a straight or branched C.sub.1 -C.sub.4 alkylene chain, Y is an oxygen atom or a sulfur atom, R, which may be the same or different, is a lower alkyl group, a lower alkoxy group, a trifluoromethyl group, a chlorine atom, a bromine atom or a fluorine atom, m is an integer of 0 to 5 and n is an integer of 0 or 1, provided that in case of R being a fluorine atom, m is an integer of 0 to 5 and in case of R being other than a fluorine atom, m is an integer of 0 to 3, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants without any material toxicity to mammals and any chemical injury to said crop plants.
    Type: Grant
    Filed: March 12, 1980
    Date of Patent: June 15, 1982
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ryo Yoshida, Haruhiko Katoh, Seizo Sumida, Ichiki Takemoto, Junya Takahashi, Katsuzo Kamoshita