Patents by Inventor Nobuhide Wada

Nobuhide Wada 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: 7767626
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: August 3, 2010
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Patent number: 7612105
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: November 3, 2009
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Publication number: 20090170883
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Application
    Filed: November 12, 2008
    Publication date: July 2, 2009
    Applicants: KUMIAI CHEMICAL INDUSTRY CO., LTD., IHARA CHEMICAL INDUSTRY CO., LTD.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Patent number: 7037930
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): ? (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: May 2, 2006
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Publication number: 20050171097
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Application
    Filed: April 5, 2005
    Publication date: August 4, 2005
    Applicants: KUMIAI CHEMICAL INDUSTRY CO., LTD., IHARA CHEMICAL INDUSTRY CO., LTD.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Publication number: 20050107383
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Application
    Filed: November 5, 2004
    Publication date: May 19, 2005
    Applicants: KUMIAI CHEMICAL INDUSTRY CO., LTD., IHARA CHEMICAL INDUSTRY CO., LTD.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Patent number: 6858639
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): ? (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: February 22, 2005
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Publication number: 20030069242
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): 1
    Type: Application
    Filed: April 15, 2002
    Publication date: April 10, 2003
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Patent number: 6509354
    Abstract: 3-Arylphenyl sulfide derivatives represented by general formula (I): (wherein R is a C2-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group or the like, B0 to B2 and B3 are hydrogen atoms, halogen atoms, cyano groups, C1-C4 haloalkyl groups or the like, n is 0, 1 or 2, and Ar is a phenyl ring, a pyridine ring, a thiophene ring, a pyrazole ring or the like), and insecticides and miticides containing the 3-arylphenyl sulfide derivatives as an active ingredient.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: January 21, 2003
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Keiji Toriyabe, Nobuo Takefuji, Minoru Itou, Tetsuya Hirade, Kiyotoshi Nishiyama, Mitsuharu Asahida, Yasunobu Maeda, Nobuhide Wada, Toyokazu Fujisawa, Hiroyuki Yano, Masaaki Komatsu, Osamu Tada
  • Patent number: 6225505
    Abstract: The present invention lies in a process for producing a trifluoromethylthiomethylbenzene derivative represented by the following general formula (2): (wherein R is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group, a cyano group, a nitro group, or a benzoyl group which may be substituted with halogen atom, alkyl group, alkoxy group, aliphatic or aromatic acyl group, nitro group, cyano group or alkoxycarbonyl group; n is an integer of 1 to 5; when n is an integer of 2 or more, a plurality of R's may be the same of each independently different), which process comprises reacting, in acetonitrile, a benzyl halide derivative represented by the following general formula (1): (wherein R and n have the same definitions as given above; and X is a halogen atom, an alkylsulfonyloxy group or an arylsulfonyloxy group which may be substituted with alkyl group or halogen atom) with thiophosgene and potassium fluoride.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: May 1, 2001
    Assignees: Ihara Chemical Industry Co., LTD, Kumiai Chemical Industry Co., LTD
    Inventors: Yoshikazu Kimura, Hidetaka Hiyoshi, Keiji Toriyabe, Nobuhide Wada
  • Patent number: 5877120
    Abstract: 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: Grant
    Filed: September 18, 1996
    Date of Patent: March 2, 1999
    Assignees: 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
  • Patent number: 5154750
    Abstract: A pyrimidine derivative having the formula, ##STR1## {wherein R.sup.1 is a hydrogen atom or an alkyl group, R.sup.2 is a group having the formula R.sup.3 O (wherein R.sup.3 is an alkoxyalkyl group, an aralkyl group, an alkylcarbonyl group, a phenylcarbonyl group, a substituted phenylcarbonyl group or an alkoxycarbonyl group), a group having the formula ##STR2## wherein R.sup.4 and R.sup.5 may be the same or different and are a hydrogen atom or an alkyl group), a group having the formula ##STR3## (wherein n is 0 or 1), a phthalimide group or a dioxolanylmethyl group, and A and B may be the same or different and are an alkyl group, an alkoxy group, a haloalkyl group, a haloalkoxy group, an amino group, a monoalkylamino group, a dialkylamino group, a cyano group or a halogen atom}, and a herbicidal composition containing said pyrimidine derivative as an active ingredient.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: October 13, 1992
    Assignees: Kumiai Chemical Industry Co. Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Nobuhide Wada, Ryo Yoshida
  • Patent number: 5114463
    Abstract: A herbicidal pyrimidine derivative having the formula, ##STR1## wherein R is a lower alkyl group, and R.sup.1 is a lower alkoxy group, a halogen atom or a halogen-substituted lower alkoxy group.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: May 19, 1992
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Nobuhide Wada, Ryo Yoshida
  • Patent number: 5087289
    Abstract: 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: Grant
    Filed: August 23, 1990
    Date of Patent: February 11, 1992
    Assignees: 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
  • Patent number: 5081244
    Abstract: A pyrimidine derivative having the formula: ##STR1## wherein R is hydrogen atom, --CH.sub.2 CH.sub.2 S(O).sub.n R.sub.1 (wherein R.sub.1 is a lower alkyl group, and n is an integer of from 0 to 2) or ##STR2## (wherein each R.sub.1 is a lower alkyl group), A is a chlorine atom or a methoxy group, and each of D and E which may be the same or different, is a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group or a halogen-substituted lower alkoxy group, or a salt thereof.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: January 14, 1992
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Nobuhide Wada, Shoji Kusano, Yasuhumi Toyokawa
  • Patent number: 5019151
    Abstract: 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: Grant
    Filed: April 19, 1990
    Date of Patent: May 28, 1991
    Assignees: 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
  • Patent number: 4985066
    Abstract: 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: Grant
    Filed: November 24, 1989
    Date of Patent: January 15, 1991
    Assignees: 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
  • Patent number: 4968340
    Abstract: 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: Grant
    Filed: June 20, 1989
    Date of Patent: November 6, 1990
    Assignees: 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
  • Patent number: 4946495
    Abstract: A 2-phenoxypyrimidine 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 wherein 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 3, 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.
    Type: Grant
    Filed: April 13, 1988
    Date of Patent: August 7, 1990
    Assignees: 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
  • Patent number: 4932999
    Abstract: A pyrimidine compound having the formula: ##STR1## wherein X is a halogen atom, or a salt thereof.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: June 12, 1990
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Yoshihiro Saito, Nobuhide Wada, Shoji Kusano, Takeshige Miyazawa, Satoru Takahashi, Yasuhumi Toyokawa, Ikuo Kajiwara