Patents by Inventor Takeshige Miyazawa
Takeshige Miyazawa 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: 7741246Abstract: Provided is a herbicide composition which comprises a combination in a specific proportion of 2-[(4,6-dimethoxypyrimidin-2-yl)hydroxymethyl]-6-methoxymethyl-N-difluoromethanesulfonylanilide as the component (A) and either one of fifteen kinds of compounds including 4-(2-chlorophenyl)-N-cyclohexyl-N-ethyl-4,5-dihydro-5-oxo-1H-tetrazole-1-carboxamide as the component (B), none of which has been used in combination with the compound as the component (A). By an application of the herbicide composition to a paddy field in a specific dose, an excellent herbicidal effect is obtained against various kinds of weeds growing in paddy fields and the chemical damages thereof to paddy rice is extremely low.Type: GrantFiled: March 24, 2003Date of Patent: June 22, 2010Assignee: Kumiai Chemical Industry Co., Ltd.Inventors: Hiroshi Kawasaki, Takeshige Miyazawa
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Patent number: 7144842Abstract: The invention provides a herbicide composition consisting of 2-[(4,6-dimethoxypyrimidin-2-yl)hydroxy-methyl]-6-methoxymethyl-N-difluoromethanesulfonylanilide as the component (A) and any compound selected from more than 20 kinds of specific compounds such as orbencarb and the like as the component (B), heretofore not combined with the component (A) compound. Dispensation of the herbicide composition to paddy fields, lawns, dry fields, or non-agricultural lands gives excellent weed-controlling effects on a variety of weeds and causes no or little phytotoxicities on valuable cultivated plants.Type: GrantFiled: July 23, 2003Date of Patent: December 5, 2006Assignee: Kumiai Chemical Industry Co., Ltd.Inventors: Hiroshi Kawasaki, Takeshige Miyazawa, Osamu Watanabe
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Publication number: 20050250646Abstract: The invention provides a herbicide composition consisting of 2-[(4,6-dimethoxypyrimidin-2-yl)hydroxy-methyl]-6-methoxymethyl-N-difluoromethanesulfonylanilide as the component (A) and any compound selected from more than 20 kinds of specific compounds such as orbencarb and the like as the component (B), heretofore not combined with the component (A) compound. Dispensation of the herbicide composition to paddy fields, lawns, dry fields, or non-agricultural lands gives excellent weed-controlling effects on a variety of weeds and causes no or little phytotoxicities on valuable cultivated plants.Type: ApplicationFiled: July 23, 2003Publication date: November 10, 2005Inventors: Hiroshi Kawasaki, Takeshige Miyazawa, Osamu Watanabe
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Publication number: 20050170964Abstract: Provided is a herbicide composition which comprises a combination in a specific proportion of 2-[(4,6-dimethoxypyrimidin-2-yl)hydroxymethyl]-6-methoxymethyl-N-difluoromethanesulfonylanilide as the component (A) and either one of fifteen kinds of compounds including 4-(2-chlorophenyl)-N-cyclohexyl-N-ethyl-4,5-dihydro-5-oxo-1H-tetrazole-1-carboxamide as the component (B), none of which has been used in combination with the compound as the component (A). By an application of the herbicide composition to a paddy field in a specific dose, an excellent herbicidal effect is obtained against various kinds of weeds growing in paddy fields and the chemical damages thereof to paddy rice is extremely low.Type: ApplicationFiled: March 24, 2003Publication date: August 4, 2005Inventors: Hiroshi Kawasaki, Takeshige Miyazawa
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Patent number: 6841519Abstract: The isoxazoline derivative of the present invention is represented by the following general formula [I]: [wherein Q is a group represented by —S(O)n—(CR5R6)m- (wherein n is an integer of 0 to 2, m is an integer of 1 to 3, and R5 and R6 are a hydrogen atom, a cyano group, an alkoxycarbonyl group, if an alkyl group or the like); R1 and R2 are a hydrogen atom, all optionally substituted alkyl group, an alkoxycarbonyl group, an optionally substituted phenyl group or the like; R3 and R4 are a hydrogen atom, an optionally substituted alkyl group, a cycloalkyl group or the like; Y is a hydrogen atom, an alkoxycarbonyl group, a carboxyl group, an alkenyl group, an optionally substituted alkyl group or an optionally substituted phenyl group]. The herbicide of the present invention contains the above isoxazoline derivative as the active ingredient.Type: GrantFiled: August 9, 2000Date of Patent: January 11, 2005Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Masao Nakatani, Kouichirou Kaku, Takumi Yoshimura, Masatoshi Tamaru, Hiroshi Kawasaki, Kazunori Kobayashi, Takeshige Miyazawa
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Patent number: 6806230Abstract: Pyrimidine derivatives having excellent herbicidal activities for crop plants and selectivity between crop plants and weeds, are presented. Pyrimidine derivatives represented by the following formula (I): wherein R1 is a hydrogen atom, an alkyl group, a haloalkyl group or the like; R2 is an alkyl group, a phenyl group which may be substituted, or the like; R3 is a hydrogen atom, an alkyl group, an alkynyl group or the like; R7 is a hydrogen atom, a halogen atom, an alkyl group or the like; R8 is a hydrogen atom, an alkyl group or the like, W is a —C(═Q) Z— group or a —SO2— group; Q is O or S; Z is O, S, a —C(R4)R5—, a —NR6 group or the like; each of R4 and R5 is a hydrogen atom, an alkyl group, an alkoxy group or the like; R6 is a hydrogen atom or an alkyl group; and Ar is a phenyl group which may be substituted, a pyridyl group which may be substituted, or the like, and herbicides containing such pyrimidine derivatives as active ingredients.Type: GrantFiled: March 11, 2002Date of Patent: October 19, 2004Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Atsushi Yasuda, Fumiaki Takabe, Ikumi Urushibata, Mikio Yamaguchi, Yoshihiro Yamaji, Makoto Fujinami, Takeshige Miyazawa
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Patent number: 5877120Abstract: A nicotinic acid derivative represented by general formula (I) or (II), a salt thereof, and a herbicide containing the same as the active ingredient, wherein A represents substituted phenyl, or 5- or 6- membered heterocycle, e.g., thienyl or pyridyl; R represents hydroxy, optionally substituted alkoxy or optionally substituted benzyloxy; R.sup.1 and R.sup.2 represent each independently alkoxy or halogen; R.sup.3 and R.sup.4 represent each independently hydrogen, hydroxy, cyano or alkoxycarbonyl, or they may be combined together to represent oxygen; X represents halogen, alkyl or alkoxy; n represents 0, 1 or 2; and Z represents methine or nitrogen. The compound and salts thereof can control annual or perennial weed growing on the land where various crops such as rice plant, wheat, cotton and corn grow for a wide period ranging from the pre-emergence to growth in a remarkably small dose.Type: GrantFiled: September 18, 1996Date of Patent: March 2, 1999Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Masahiro Miyazaki, Sumio Yokota, Yoshihiro Ito, Nobuyuki Ohba, Nobuhide Wada, Shigehiko Tachikawa, Takeshige Miyazawa
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Patent number: 5770544Abstract: A condensed heterocyclic derivative of the formula ##STR1## (wherein R is a hydroxyl group, R.sup.3 or R.sup.4 is an alkoxy group, W is an oxygen atom, Yn is a hydrogen atom, Z is a methine group, and A is a 5- or 6-membered heterocyclic ring which may be substituted, and a herbicide, are presented. When used for paddy field treatment, upland soil treatment and foliage treatment, the condensed heterocyclic derivative of the present invention exhibits excellent herbicidal activities against gramineous and non-gramineous weeds without adversely affecting crop plants.Type: GrantFiled: October 9, 1996Date of Patent: June 23, 1998Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Sumio Yokota, Masafumi Matsuzawa, Nobuyuki Ohba, Toshihiro Nagata, Shigehiko Tachikawa, Takeshige Miyazawa, Katsutada Yanagisawa
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Patent number: 5616537Abstract: A condensed heterocyclic derivative of the formula (I): ##STR1## (wherein R is a hydroxyl group, R.sup.3 or R.sup.4 is an alkoxy group, W is an oxygen atom, Yn is a hydrogen atom, Z is a methine group, and A is a 5- or 6-membered heterocyclic ring which may be substituted, and a herbicide, are presented. When used for paddy field treatment, upland soil treatment and foliage treatment, the condensed heterocyclic derivative of the present invention exhibits excellent herbicidal activities against gramineous and non-gramineous weeds without adversely affecting crop plants.Type: GrantFiled: March 1, 1994Date of Patent: April 1, 1997Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Sumio Yokota, Masafumi Matsuzawa, Nobuyuki Ohba, Toshihiro Nagata, Shigehiko Tachikawa, Takeshige Miyazawa, Katsutada Yanagisawa
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Patent number: 5510321Abstract: A plant growth regulator composition comprising a cyclohexane derivative of the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group, an alkylthioalkyl group, a phenyl group or a substituted phenyl group, and R.sup.1 is a lower alkyl group, a cycloalkyl group, a benzyl group, a substituted benzyl group, a phenethyl group, a phenoxymethyl group, a 2-thienylmethyl group, an alkoxymethyl group or an alkylthiomethyl group, or a salt thereof, and a nitrogen-containing water-soluble inorganic substance or urea.Type: GrantFiled: February 9, 1995Date of Patent: April 23, 1996Assignee: Kumiai Chemical Industry Co., Ltd.Inventors: Yoshinori Hirabayashi, Toshihiro Ikeuchi, Susumu Kato, Takeshige Miyazawa, Kanji Nakamuras
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Patent number: 5436225Abstract: A plant growth regulator composition comprising a cyclohexane derivative of the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group, an alkylthioalkyl group, a phenyl group or a substituted phenyl group, and R.sup.1 is a lower alkyl group, a cycloalkyl group, a benzyl group, a substituted benzyl group, a phenethyl group, a phenoxymethyl group, a 2-thienylmethyl group, an alkoxymethyl group or an alkylthiomethyl group, or a salt thereof, and a nitrogen-containing water-soluble inorganic substance or urea.Type: GrantFiled: November 16, 1993Date of Patent: July 25, 1995Assignee: Kumiai Chemical Industry Co., Ltd.Inventors: Yoshinori Hirabayashi, Toshihiro Ikeuchi, Susumu Kato, Takeshige Miyazawa, Kanji Nakamura
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Patent number: 5112385Abstract: A substituted aryloxyurea of the formula: ##STR1## wherein Ar represents ##STR2## in which X.sup.7 represents a hydrogen atom, a halogen atom, a cyano group, a lower alkoxy group or a trifluoromethyl group, andR.sup.1 and R.sup.2 together form together with carbon and the nitrogen atom to which they are bonded a 4-8 membered heterocyclic ring.The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage.The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.Type: GrantFiled: June 29, 1990Date of Patent: May 12, 1992Assignees: Kumiai Chemical Industry Co., Ltd., Mitsui Petrochemical Industries, Ltd.Inventors: Isao Hashimoto, Tatsuyodihi Ishida, Kazutaka Tsuru, Yuji Yamada, Takeshige Miyazawa, Yasuo Nakamura, Susumu Katou, Katsuya Takahashi
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Patent number: 5110346Abstract: A herbicidal composition comprising (a) 9-(4-chloro-5 -methoxycarbonylmethylthio-2-fluorophenyl)-8-thia-1,6-diazabicyclo[4.3.0]n onan-7-on and (b) 2-[4,5-dihydro-4-methyl-4-(1 -methylethyl)-5-oxo-1H-imidazol-2-yl]-3-quinolinecarboxylic acid, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl-5-oxo-1H-imidazol-2-yl]-5-ethyl-3 -pyridinecarboxylic acid, its ester or its salt, as active ingredients.Type: GrantFiled: April 17, 1991Date of Patent: May 5, 1992Assignee: Kumiai Chemical Industry Co., Ltd.Inventors: Takeshige Miyazawa, Kazuhiko Kawano
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Patent number: 5087289Abstract: A herbicidal alkanoic acid derivative of the formula: ##STR1## wherein R.sup.3 is a hydrogen atom, a halogen atom, a halogen-substituted alkyl group, an alkyl group, a cycloalkyl group, an alkylthioalkyl group, a hydroxyalkyl group, a hydroxyl group, a cyano group, an acyloxyalkyl group, a thienyl group, a naphthyl group, a dihydronaphthyl group ##STR2## wherein R.sup.8 is a hydrogen atom, a halogen atom, a nitro group, an alkyl group, an alkoxy group or --S(O).sub.n R.sup.9 wherein R.sup.9 is an alkyl group, and n is an integer of from 0 to 2, m is an integer of from 0 to 2, each of R.sup.2 and R.sup.4 which may be the same or different is a hydrogen atom or an alkyl group, or R.sup.2 and R.sup.4 form together with the adjacent carbon atom a 3-, 4-, 5- or 6-membered ring which may contain an oxygen atom and may be substituted by one or two alkyl groups, each of R.sup.5 and R.sup.6 which may be the same or different is a hydrogen atom or an alkyl group, R.sup.7 is an alkyl group or a phenyl group, or R.sup.Type: GrantFiled: August 23, 1990Date of Patent: February 11, 1992Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Koichiro Kaku, Nobuhide Wada, Akira Takeuchi, Yasufumi Toyokawa, Takeshige Miyazawa, Ryo Yoshida, Kazuhiko Sugiyama
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Patent number: 5019151Abstract: A 2-phenoxypridimine derivative having the formula: ##STR1## wherein X is a halogen atom or ##STR2## wherein X.sup.1 is a halogen atom, a lower alkyl group or a lower alkoxy group and k is 0, 1, or 2; R.sup.1 is a hydrogen atom, a benzyl group, --(CH.sub.2).sub.m R.sup.3 is a cyano group, a formyl group, a dialkylamino group, a phenyl group, a pyridyl group, a trimethylsilyl group, a naphthyl group, an alkoxycarbonyl group, a benzoyl group, an alkylthio group, a phenylthio group, an alkylsulfonyl group or a benzyloxy group and m is 1, 2, or ##STR3## wherein R.sup.4 is a hydrogen atom or a lower alkyl group, R.sup.5 is a lower alkyl group or ##STR4## wherein X.sup.2 is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a nitro group, n is 0 or 1, provided that when R.sup.5 is an alkyl group, n is 1; and R.sup.2 is a chlorine atom or a methoxy group, provided that when R.sup.1 is a hydrogen atom or a benzyl group, X is ##STR5## and R.sup.2 is a methoxy group, when R.sup.Type: GrantFiled: April 19, 1990Date of Patent: May 28, 1991Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Nobuhide Wada, Yoshihiro Saito, Shoji Kusano, Yasufumi Toyokawa, Takeshige Miyazawa, Satoru Takahashi, Takayoshi Takehi
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Patent number: 5015283Abstract: A plant growth regulating composition comprising a member selected from the group consisting of 3,5-dioxo-4-propionylcyclohexane carboxylic acid and its esters and salts, represented by the formula: ##STR1## wherein R is a hydrogen atom, a lower alkyl group or a cation, and at least one compound selected from the group consisting of (2-chloroethyl) phosphonic acid, 1,1-dimethylpiperidinium chloride and 2-chloroethyltrimethylammonium chloride, as active ingredients, and an agricultural carrier or diluent.Type: GrantFiled: April 10, 1990Date of Patent: May 14, 1991Assignee: Kumiai Chemical Industry Co., Ltd.Inventors: Takeshige Miyazawa, Kazuhiko Kawano
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Patent number: 4985066Abstract: A 2-phenoxypyrimidine derivative having the formula: ##STR1## wherein R.sup.1 is a formyl group, a dimethoxymethyl group or --COOR.sup.4 (wherein R.sup.4 is a hydrogen atom, a lower alkyl group, a benzyl group, an alkali metal atom, an alkaline earth metal atom or an organic ammonium group), R.sup.2 is a chlorine atom, a methyl group, a methoxy group or a difluoromethoxy group, R.sup.3 is a methyl group or a methoxy group, X is a halogen atom, a lower alkyl group, a lower alkoxy group, an amino group, a hydroxyl group, a nitro group or a cyano group, and n is 1 or 2.Type: GrantFiled: November 24, 1989Date of Patent: January 15, 1991Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Nobuhide Wada, Yoshihiro Saito, Shoji Kusano, Yasuhumi Toyokawa, Takeshige Miyazawa, Ikuo Kajiwara, Satoru Takahashi
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Patent number: 4969949Abstract: A pyrimidine derivative of the formula: ##STR1## wherein each of R.sup.1 and R.sup.2 which may be the same or different is an alkyl group, or R.sup.1 and R.sup.2 together with the adjacent carbon atom form a ring.Type: GrantFiled: March 21, 1989Date of Patent: November 13, 1990Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Masahiro Shigematsu, Shoji Kusano, Takayoshi Takehi, Takeshige Miyazawa, Yasufumi Toyokawa
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Patent number: 4968340Abstract: A herbicidal alkanoic acid derivative of the formula: ##STR1## wherein R is ##STR2## wherein R.sup.3 is a hydrogen atom, a halogen atom, a halogen-substituted alkyl group, an alkyl group, a cycloalkyl group, an alkylthioalkyl group, a hydroxyalkyl group, a hydroxyl group, a cyano group, an acyloxyalkyl group, a thienyl group, a naphthyl group, a dihydronaphthyl group or ##STR3## wherein R.sup.8 is a hydrogen atom, a halogen atom, a nitro group, an alkyl group, an alkoxy group or --S(O).sub.n R.sup.9 wherein R.sup.9 is an alkyl group, and n is an integer of from 0 to 2, m is an integer of from 0 to 2, each of R.sup.2 and R.sup.4 which may be the same or different is a hydrogen atom or an alkyl group, or R.sup.2 and R.sup.4 form together with the adjacent carbon atom a 3-, 4-, 5- or 6-membered ring which may contain an oxygen atom and may be substituted by one or two alkyl groups, each of R.sup.5 and R.sup.6 which may be the same or different is a hydrogen atom or an alkyl group, R.sup.Type: GrantFiled: June 20, 1989Date of Patent: November 6, 1990Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Koichiro Kaku, Nobuhide Wada, Akira Takeuchi, Yasufumi Toyokawa, Takeshige Miyazawa, Ryo Yoshida, Kazuhiko Sugiyama
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Patent number: 4968341Abstract: Novel substituted aryloxyureas, processes for their production, and herbicides comprising them as active ingredients are provided.The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage.The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.Type: GrantFiled: August 16, 1988Date of Patent: November 6, 1990Assignees: Kumiai Chemical Industry Co., Mitsui Petrochemical Industries, Ltd.Inventors: Isao Hashimoto, Tatsuyodihi Ishida, Kazutaka Tsuru, Yuji Yamada, Takeshige Miyazawa, Yasuo Nakamura, Susumu Katou, Katsuya Takahashi