Patents by Inventor Shinji Sakawa

Shinji Sakawa 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).

  • Patent number: 5237100
    Abstract: Substituted benzylcycloalkenylurea derivatives of the formula (I) ##STR1## wherein X represents a halogen atom or a lower alkyl group, Y represents an oxygen atom or a sulfur atom,R.sup.1 represents a cycloalkenyl group andR.sup.2 represents a lower alkyl group, a cycloalkyl group, a benzyl group or a phenyl group optionally substituted by 1 to 5 substituents selected from the group consisting of a hydroxyl group or a lower alkoxy groupand their use as fungicides. They can be synthesized, for example, by reacting of a substituted benzyl-cycloalkenylamine with an isocyanate or by reacting of a carbamoyl halide with an amine. The starting material, the substituted benzyl-cycloalkenyl amines, are also new.
    Type: Grant
    Filed: April 23, 1992
    Date of Patent: August 17, 1993
    Assignee: Nihon Bayer Agrochem K.K.
    Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Shinji Sakawa
  • Patent number: 5117053
    Abstract: Novel fungicidally active N-benzyl-cyclopropanecarboxamides of the formula ##STR1## wherein X=represents halogen,n=represents 1 or 2,R.sup.1 =represents hydrogen, halogen or lower alkyl,R.sup.2 =represents lower alkyl, halogen-substituted lower alkyl or hydrogen, andR.sup.3 =represents hydrogen or lower alkyl.The acid components thereof, other than when R.sup.1 is hydrogen or alkyl and R.sup.2 is hydrogen or alkyl, are also new.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: May 26, 1992
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Yoshio Kurahashi, Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa, Koichi Moriya
  • Patent number: 5061731
    Abstract: Novel fungicidally active N-benzyl-cyclopropanecarboxamides of the formula ##STR1## wherein X represents halogen,n represents 1 or 2,R.sup.1 represents hydrogen, halogen or lower alkyl,R.sup.2 represents lower alkyl, halogen-substituted lower alkyl or hydrogen, andR.sup.3 represents hydrogen or lower alkyl.The acid components thereof, other than when R.sup.1 is hydrogen or alkyl and R.sup.2 is hydrogen or alkyl, are also new.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: October 29, 1991
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Yoshio Kurahashi, Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa, Koichi Moriya
  • Patent number: 4857556
    Abstract: Substituted benzylcycloalkenylurea derivatives of the formula (I) ##STR1## wherein X represents a halogen atom or a lower alkyl group, Y represents an oxygen atom or a sulfur atom,R.sup.1 represents a cycloalkenyl group andR.sup.2 represents a lower alkyl group, a cycloalkyl group, a benzyl group or a phenyl group optionally substituted by 1 to 5 substituents selected from the group consisting of a hydroxyl group or a lower alkoxy groupand their use as fungicides. They can be synthesized, for example, by reacting of a substituted benzyl-cycloalkenylamine with an isocyanate or by reacting of a carbamoyl halide with an amine. The starting material, the substituted benzyl-cycloalkenyl amines, are also new.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: August 15, 1989
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Shinji Sakawa
  • Patent number: 4731385
    Abstract: An insecticidal and fungicidal composition comprising (1) An insecticidally effective amount of a nitromethylene derivative of the formula ##STR1## in which X is a lower alkyl group, a lower alkoxy group, or a halogen atom,n is 0, 1 or 2 andm is 2 or 3,and a fungicidally effective amount of at least one fungicide selected from the group consisting of(2) O-ethyl S,S-diphenyl phosphorodithioate,(3) 4,5,6,7-tetrachlorophthalide,(4) 1-(4-chlorobenzyl)-1-cyclopentyl-3-phenylurea,(5) Validamycin A, 3'-iso-propoxy-2-methylbenzenilide, o-trifluoromethyl-m'-isopropoxybenzoylanilide or 6-(3,5-dichloro-4-methylphenyl-3(2H)pyridazinone, and(6) di-isopropyl-1,3-dithiolan-2-ylidenemalonate, 5-methyl-1,2,4-triazo[3,4-b]-benzothiazole, 3-allyloxy-1,2-benzisothiazole 1,1-dioxide, and 1,2,5,6-tetrahydro-4H-pyrrolo-[3,2,1-i,j]quinolin-4-one, [5-amino-2-methyl-6-(2,3,4,5,6-pentahydroxycyclohexyloxy)tetrahydropyran-3 -yl]amino-.alpha.-iminoacetic acid or S-benzyl diisopropylphosphorothiolate.
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: March 15, 1988
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Shinichi Tsuboi, Shoko Sasaki, Yumi Hattori, Yoshio Kurahashi, Shinji Sakawa, Toshihito Kondo
  • Patent number: 4710518
    Abstract: Novel fungicidally active N-benzyl-cyclopropanecarboxamides of the formula ##STR1## wherein X represents halogen,n represents 1 or 2,R.sup.1 represents hydrogen, halogen or lower alkyl,R.sup.2 represents lower alkyl, halogen-substituted lower alkyl or hydrogen, andR.sup.3 represents hydrogen or lower alkyl.The acid components thereof, other than when R.sup.1 is hydrogen or alkyl and R.sup.2 is hydrogen or alkyl, are also new.
    Type: Grant
    Filed: April 9, 1986
    Date of Patent: December 1, 1987
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Yoshio Kurahashi, Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa, Koichi Moriya
  • Patent number: 4700006
    Abstract: Novel carbamoylimidazole derivatives of the formula (I) ##STR1## in which R.sup.1 represents lower alkyl, lower alkoxy-lower alkyl or cycloalkyl having 3 to 8 carbon atoms,R.sup.2 represents fluoro-substituted lower alkyl,X represents oxygen or sulfur,Y represents halogen or lower alkyl,m represents the numbers 0, 1 or 2, andn represents the numbers 2, 3, 4, 5 or 6,and the use of the new compounds as agricultural and horticultural fungicides.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: October 13, 1987
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Toyohiko Kume, Yoshio Kurahashi, Kunihiro Isono, Shinji Sakawa, Noboru Matsumoto
  • Patent number: 4670599
    Abstract: This invention relates to 2,2-dichloro-3,3-dimethylcyclopropylmethylamine, a novel compound which is useful as an agricultural and horticultural fungicide or as a synthetic intermediate for other cyclopropyl derivatives and other compounds, and to a process for production thereof.
    Type: Grant
    Filed: September 21, 1984
    Date of Patent: June 2, 1987
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa
  • Patent number: 4609669
    Abstract: Novel carbamoylimidazole derivatives of the formula (I) ##STR1## in which R.sup.1 represents lower alkyl, lower alkoxy-lower alkyl or cycloalkyl having 3 to 8 carbon atoms,R.sup.2 represents fluoro-substituted lower alkyl,X represents oxygen or sulfur,Y represents halogen or lower alkyl,m represents the numbers 0, 1 or 2, andn represents the numbers 2, 3, 4, 5 or 6,and the use of the new compounds as agricultural and horticultural fungicides.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: September 2, 1986
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Toyohiko Kume, Yoshio Kurahashi, Kunihiro Isono, Shinji Sakawa, Noboru Matsumoto
  • Patent number: 4581365
    Abstract: The invention relates to new trichloroacryloyl oxime compounds of the general formula (I) ##STR1## wherein each of R.sup.1 and R.sup.2 represents a hydrogen atom, a lower alkyl group, a benzyl group, a benzylthio group, a lower alkylthio group, a cycloalkyl group, a halogen atom, a styryl group, a halogenophenylthio group, a naphthyl group, or a phenyl group which may optionally be substituted by at least one substituent selected from the class consisting of a halogen atom, a nitro group, a lower alkyl group, a lower alkoxy group, a phenoxy group, a benzyloxy group, a lower alkylthio group, a thiocyanato group, a di-lower alkylamino group, a halogenopyridyloxy group and a methylenedioxy group, or R.sup.1 and R.sup.2, together with the carbon atom to which they are bonded, may form an aliphatic ring, said ring being optionally substituted by at least one methyl group, and their use as fungicides.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: April 8, 1986
    Assignee: Nihon Tokushu Noyaku Seizo K.K.
    Inventors: Yasuo Yamada, Junichi Saito, Toshio Gotoh, Osamu Katsumata, Shinji Sakawa
  • Patent number: 4564638
    Abstract: Fungicidally active novel benzylurea derivatives of the formula ##STR1## in which R.sup.1 is a halogen atom or a lower alkyl group,X is an oxygen or sulfur atom, andR.sup.2 is an alkyl group, a cycloalkyl group having 5 to 8 carbon atoms, or a phenyl group which may be substituted by at least one member of the class consisting of halogen atoms, lower alkyl groups, lower alkoxy groups and hydroxyl groups.
    Type: Grant
    Filed: June 10, 1983
    Date of Patent: January 14, 1986
    Assignee: Nihon Tokushu Boyaku Seizo K.K.
    Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Shinji Sakawa