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).
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Patent number: 5237100Abstract: 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: GrantFiled: April 23, 1992Date of Patent: August 17, 1993Assignee: Nihon Bayer Agrochem K.K.Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Shinji Sakawa
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Patent number: 5117053Abstract: 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: GrantFiled: September 5, 1991Date of Patent: May 26, 1992Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Yoshio Kurahashi, Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa, Koichi Moriya
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Patent number: 5061731Abstract: 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: GrantFiled: June 25, 1990Date of Patent: October 29, 1991Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Yoshio Kurahashi, Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa, Koichi Moriya
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Patent number: 4857556Abstract: 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: GrantFiled: December 8, 1987Date of Patent: August 15, 1989Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Shinji Sakawa
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Patent number: 4731385Abstract: 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: GrantFiled: October 21, 1986Date of Patent: March 15, 1988Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Shinichi Tsuboi, Shoko Sasaki, Yumi Hattori, Yoshio Kurahashi, Shinji Sakawa, Toshihito Kondo
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Patent number: 4710518Abstract: 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: GrantFiled: April 9, 1986Date of Patent: December 1, 1987Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Yoshio Kurahashi, Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa, Koichi Moriya
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Patent number: 4700006Abstract: 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: GrantFiled: April 3, 1986Date of Patent: October 13, 1987Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Toyohiko Kume, Yoshio Kurahashi, Kunihiro Isono, Shinji Sakawa, Noboru Matsumoto
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Patent number: 4670599Abstract: 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: GrantFiled: September 21, 1984Date of Patent: June 2, 1987Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Kozo Shiokawa, Shinzo Kagabu, Shinji Sakawa
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Patent number: 4609669Abstract: 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: GrantFiled: September 9, 1985Date of Patent: September 2, 1986Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Toyohiko Kume, Yoshio Kurahashi, Kunihiro Isono, Shinji Sakawa, Noboru Matsumoto
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Patent number: 4581365Abstract: 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: GrantFiled: December 2, 1983Date of Patent: April 8, 1986Assignee: Nihon Tokushu Noyaku Seizo K.K.Inventors: Yasuo Yamada, Junichi Saito, Toshio Gotoh, Osamu Katsumata, Shinji Sakawa
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Patent number: 4564638Abstract: 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: GrantFiled: June 10, 1983Date of Patent: January 14, 1986Assignee: Nihon Tokushu Boyaku Seizo K.K.Inventors: Yasuo Yamada, Junichi Saito, Tatsuo Tamura, Shinji Sakawa