Patents by Inventor Hiroshi Kikugawa
Hiroshi Kikugawa 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: 9526246Abstract: In order to reduce the environmental load on an area where a herbicide is applied or a surrounding area thereof more than ever, it has been required to improve activity of a herbicidal active ingredient and to reduce its dose as far as possible. A herbicidal composition comprising (1) a benzoylpyrazole compound represented by the formula (I) or its salt: wherein each of Q, R1, R2, R3, R4, R5, R6 and A is as defined in the specification, and (2) at least one compound selected from the group consisting of a polyoxyalkylene sorbitan fatty acid ester, a polyoxyalkylene fatty acid ester, a polyoxyalkylene styryl aryl ether, a polyoxyalkylene styryl aryl ether condensate and a polyoxyalkylene alkyl ether sulfate.Type: GrantFiled: June 27, 2013Date of Patent: December 27, 2016Assignee: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi Kikugawa, Ryu Yamada, Mitsuru Endo, Yoshikazu Satake
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Publication number: 20150216165Abstract: In order to reduce the environmental load on an area where a herbicide is applied or a surrounding area thereof more than ever, it has been required to improve activity of a herbicidal active ingredient and to reduce its dose as far as possible. A herbicidal composition comprising (1) a benzoylpyrazole compound represented by the formula (I) or its salt: wherein each of Q, R1, R2, R3, R4, R5, R6 and A is as defined in the specification, and (2) at least one compound selected from the group consisting of a polyoxyalkylene sorbitan fatty acid ester, a polyoxyalkylene fatty acid ester, a polyoxyalkylene styryl aryl ether, a polyoxyalkylene styryl aryl ether condensate and a polyoxyalkylene alkyl ether sulfate.Type: ApplicationFiled: June 27, 2013Publication date: August 6, 2015Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi Kikugawa, Ryu Yamada, Mitsuru Endo, Yoshikazu Satake
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Patent number: 9072297Abstract: At present, many herbicidal compositions have been developed and used, but there are a variety of types of weeds to be controlled, and their development lasts for a long period of time. Thus, a high active and long-residual herbicidal composition having a broad herbicidal spectrum has been desired. The present invention provides a synergistic herbicidal composition comprising (A) flazasulfuron or its salt and (B) at least one urea compound selected from the group consisting of tebuthiuron, diuron and metobromuron or its salt. According to the synergistic herbicidal composition of the present invention, a high active and long-residual herbicidal composition having a broad-spectrum can be provided.Type: GrantFiled: December 13, 2013Date of Patent: July 7, 2015Assignee: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi Kikugawa, Tomoaki Kezuka, Ryu Yamada, Takashi Terada
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Patent number: 8846571Abstract: [OBJECT] To provide a novel pesticide. [MEANS OF ACCOMPLISHING THE OBJECT] The present invention provides a herbicidal composition which comprises as active ingredients (a) a herbicidal benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl, haloalkyl or the like, R5 is a hydrogen atom, alkyl or the like, R6 is haloalkyl, halogen or the like, and A is alkylene substituted by alkyl, and (b) other herbicidal compound.Type: GrantFiled: June 5, 2013Date of Patent: September 30, 2014Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano
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Publication number: 20140106971Abstract: At present, many herbicidal compositions have been developed and used, but there are a variety of types of weeds to be controlled, and their development lasts for a long period of time. Thus, a high active and long-residual herbicidal composition having a broad herbicidal spectrum has been desired. The present invention provides a synergistic herbicidal composition comprising (A) flazasulfuron or its salt and (B) at least one urea compound selected from the group consisting of tebuthiuron, diuron and metobromuron or its salt. According to the synergistic herbicidal composition of the present invention, a high active and long-residual herbicidal composition having a broad-spectrum can be provided.Type: ApplicationFiled: December 13, 2013Publication date: April 17, 2014Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi KIKUGAWA, Tomoaki KEZUKA, Ryu YAMADA, Takashi TERADA
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Patent number: 8673815Abstract: At present, various herbicidal compositions have been developed and used, but they are not necessarily sufficient to control undesired plants such as weeds to be controlled, and a highly active herbicidal composition has been desired. A herbicidal composition comprising 1-(4,6-dimethoxypyrimidin-2-yl)-3-(3-trifluoromethyl-2-pyridylsulfonyl) urea or its salt and 2-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-N,N-dimethylnicotinamide or its salt, and a method for controlling undesired plants using it.Type: GrantFiled: November 24, 2011Date of Patent: March 18, 2014Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Kikugawa, Ryu Yamada, Hiroyuki Okamoto, Takashi Terada
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Patent number: 8633135Abstract: At present, many herbicidal compositions have been developed and used, but there are a variety of types of weeds to be controlled, and their development lasts for a long period of time. Thus, a high active and long-residual herbicidal composition having a broad herbicidal spectrum has been desired. The present invention provides a synergistic herbicidal composition comprising (A) flazasulfuron or its salt and (B) at least one urea compound selected from the group consisting of tebuthiuron, diuron and metobromuron or its salt. According to the synergistic herbicidal composition of the present invention, a high active and long-residual herbicidal composition having a broad-spectrum can be provided.Type: GrantFiled: June 8, 2011Date of Patent: January 21, 2014Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Kikugawa, Tomoaki Kezuka, Ryu Yamada, Takashi Terada
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Publication number: 20130338004Abstract: [OBJECT] To provide a novel pesticide. [MEANS OF ACCOMPLISHING THE OBJECT] The present invention provides a herbicidal composition which comprises as active ingredients (a) a herbicidal benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl, haloalkyl or the like, R5 is a hydrogen atom, alkyl or the like, R6 is haloalkyl, halogen or the like, and A is alkylene substituted by alkyl, and (b) other herbicidal compound.Type: ApplicationFiled: June 5, 2013Publication date: December 19, 2013Inventors: Hiroshi KIKUGAWA, Souichiro NAGAYAMA, Makiko SANO
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Patent number: 8609591Abstract: Many herbicidal compositions have been developed and used, but there are many types of weeds to be controlled, and their development lasts for a long period of time. Accordingly, it has been desired to develop a herbicidal composition having a wider herbicidal spectrum and having a highly active and long-lasting herbicidal activity. The present invention provides a herbicidal composition which comprises as active ingredients (a) at least one herbicidal compound selected from the group consisting of a benzoylpyrazole compound represented by the formula (I): (wherein each of R1, R2, R3, R4 and R6 is alky, and R5 is alkoxyalkoxy), sulcotrione and topramezone, and (b) amicarbazone.Type: GrantFiled: October 18, 2011Date of Patent: December 17, 2013Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Kikugawa, Yoshikazu Satake
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Publication number: 20130260997Abstract: At present, various herbicidal compositions have been developed and used, but they are not necessarily sufficient to control undesired plants such as weeds to be controlled, and a highly active herbicidal composition has been desired. A herbicidal composition comprising 1-(4,6-dimethoxypyrimidin-2-yl)-3-(3-trifluoromethyl-2-pyridylsulfonyl) urea or its salt and 2-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-N,N-dimethylnicotinamide or its salt, and a method for controlling undesired plants using it.Type: ApplicationFiled: November 24, 2011Publication date: October 3, 2013Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi Kikugawa, Ryu Yamada, Hiroyuki Okamoto, Takashi Terada
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Publication number: 20130210628Abstract: Many herbicidal compositions have been developed and used, but there are many types of weeds to be controlled, and their development lasts for a long period of time. Accordingly, it has been desired to develop a herbicidal composition having a wider herbicidal spectrum and having a highly active and long-lasting herbicidal activity. The present invention provides a herbicidal composition which comprises as active ingredients (a) at least one herbicidal compound selected from the group consisting of a benzoylpyrazole compound represented by the formula (I): (wherein each of R1, R2, R3, R4 and R6 is alky, and R5 is alkoxyalkoxy), sulcotrione and topramezone, and (b) amicarbazone.Type: ApplicationFiled: October 18, 2011Publication date: August 15, 2013Applicant: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Kikugawa, Yoshikazu Satake
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Patent number: 8492310Abstract: Many herbicidal compositions have been developed and used, but there are many types of weeds to be controlled, and their development lasts for a long period of time. Accordingly, it has been desired to develop a herbicidal composition having a wider herbicidal spectrum and having a highly active and long-lasting herbicidal activity. The present invention provides a herbicidal composition which comprises as active ingredients (a) a herbicidal benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl, haloalkyl or the like, R5 is a hydrogen atom, alkyl or the like, R6 is haloalkyl, halogen or the like, and A is alkylene substituted by alkyl, and (b) other herbicidal compound.Type: GrantFiled: December 10, 2009Date of Patent: July 23, 2013Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano
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Patent number: 8466089Abstract: The present invention provides a novel herbicide showing excellent herbicidal effects, which has a wide application range including agricultural fields and non-agricultural fields and various application methods including soil treatment and foliage treatment. A pyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl, R5 is alkyl substituted by one alkoxy, alkoxy substituted by one alkoxy, or alkoxycarbonyl, R6 is alkylsulfonyl, A is alkylene substituted by at least one alkyl; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow.Type: GrantFiled: May 19, 2009Date of Patent: June 18, 2013Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Masamitsu Tsukamoto, Hiroshi Kikugawa, Souichiro Nagayama, Tatsuya Okita, Hiroshi Hata
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Patent number: 8466088Abstract: Provided is an herbicidal composition which can be applied at a low dose as compared with individual application, and thus is effective to reduce the environmental load on a place where the composition is applied or a periphery thereof, of which the herbicidal spectrum is enlarged, and of which the herbicidal effects last over a long period of time. The herbicidal composition has as active ingredients (a) a herbicidal benzoylpyrazole compound represented by the formula (I) or its salt: wherein Q is —C(O)SR3 or a hydrogen atom, R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, cycloalkyl or the like, R4 is alkyl, haloalkyl or the like, R5 is a hydrogen atom, alkyl or the like, R6 is haloalkyl, halogen or the like, and (b) a further herbicidal compound.Type: GrantFiled: February 1, 2008Date of Patent: June 18, 2013Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Shimoharada, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano, Yoshinori Kitahara, Hidemasa Kominami, Tatsuya Okita
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Patent number: 8435928Abstract: To provide a herbicidal composition and a method for its application, whereby the effect of a herbicidally active ingredient is improved to reduce the environmental load on a site where the herbicide is applied or the periphery thereof, more than ever, and its dose can be reduced. A herbicidal composition comprising (1) a compound represented by the formula (I) or its salt: where T and Z are as defined in the specification, and (2) a polyoxyalkylene alkyl ether phosphate or its salt. A method for controlling undesired plants or inhibiting their growth, by applying the herbicidal composition.Type: GrantFiled: July 11, 2008Date of Patent: May 7, 2013Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano
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Publication number: 20130085065Abstract: At present, many herbicidal compositions have been developed and used, but there are a variety of types of weeds to be controlled, and their development lasts for a long period of time. Thus, a high active and long-residual herbicidal composition having a broad herbicidal spectrum has been desired. The present invention provides a synergistic herbicidal composition comprising (A) flazasulfuron or its salt and (B) at least one urea compound selected from the group consisting of tebuthiuron, diuron and metobromuron or its salt. According to the synergistic herbicidal composition of the present invention, a high active and long-residual herbicidal composition having a broad-spectrum can be provided.Type: ApplicationFiled: June 8, 2011Publication date: April 4, 2013Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi Kikugawa, Tomoaki Kezuka, Ryu Yamada, Takashi Terada
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Publication number: 20120198764Abstract: To provide a method for reducing phytotoxicity to turfgrass due to flazasulfuron, which is not expensive but easily available and simple in the field of horticulture/agriculture. Phytotoxicity to turfgrass due to flazasulfuron is reduced by using a pigment containing metal ions or a colorant comprising the pigment containing metal ions, particularly by using a phthalocyanine metal complex or a cyano-bridged metal complex.Type: ApplicationFiled: October 13, 2010Publication date: August 9, 2012Applicant: Ishihara Sangyo Kaisha, Ltd.Inventors: Hiroshi Yoshii, Tatsumi Nakamura, Hiroshi Kikugawa, Tomoaki Kezuka, Ryu Yamada, Ema Mitsuno
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Patent number: 8119569Abstract: The present invention provides a novel herbicide showing excellent herbicidal effects, which has a wide application range including agricultural fields and non-agricultural fields and various application methods including soil treatment and foliage treatment. A benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl or halogen, R5 is alkyl substituted by one Y1, haloalkoxy, alkoxy substituted by one Y2, or alkoxycarbonyl, R6 is alkylsulfonyl, A is alkylene substituted by at least one alkyl, Y1 is alkoxy or haloalkoxy, and Y2 is alkoxy; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow.Type: GrantFiled: November 9, 2007Date of Patent: February 21, 2012Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Terumasa Komyoji, Masamitsu Tsukamoto, Hiroshi Kikugawa, Hiroshi Hata
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Publication number: 20110282070Abstract: A benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl; cycloalkyl; haloalkyl; alkoxyalkyl; alkoxycarbonylalkyl; alkenyl; or arylalkyl which may be substituted by R8, R4 is alkyl; haloalkyl; alkoxy; halogen; nitro; cyano; alkylthio; alkylsulfinyl; or alkylsulfonyl, R5 is a hydrogen atom; alkyl; alkenyl; alkynyl; halogen; cyano; cyanoalkyl; cyanoalkeny; haloalkyl; alkoxyalkyl; haloalkoxyalkyl; amino(thiocarbonyl)alkyl which may be substituted by at least one substituent selected from alkyl, cyano, is cyanoalkyl, (alkylthio)carbonylalkyl, alkyl(thiocarbonyl)alkyl, —C(O)OR7 and —C(O)SR7; thiocyanatoalkyl; alkoxy; alkenyloxy; alkynyloxy; haloalkoxy; alkoxyalkoxy; haloalkoxyalkoxy; alkoxyhaloalkoxy; haloalkoxyhaloalkoxy; alkoxyalkoxyalkyl; alkylthio; alkoxyalkylthio; haloalkoxyalkylthio; alkoxyhaloalkylthio; haloalkoxyhaloalkylthio; alkylthioalkylthio; haloalkylthioalkylthio; alkylthiohaloalkylthio; haloalkylthiohaloType: ApplicationFiled: July 21, 2011Publication date: November 17, 2011Applicant: ISHIHARA SANGYO KAISHA, LTD.Inventors: Hiroshi SHIMOHARADA, Masamitsu Tsukamoto, Masahiko Ikeguchi, Hiroshi Kikugawa, Makiko Sano, Yoshinori Kitahara, Hidemasa Kominami, Tatsuya Okita
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Publication number: 20110263427Abstract: Many herbicidal compositions have been developed and used, but there are many types of weeds to be controlled, and their development lasts for a long period of time. Accordingly, it has been desired to develop a herbicidal composition having a wider herbicidal spectrum and having a highly active and long-lasting herbicidal activity. The present invention provides a herbicidal composition which comprises as active ingredients (a) a herbicidal benzoylpyrazole compound represented by the formula (I) or its salt: wherein R1 is alkyl or cycloalkyl, R2 is a hydrogen atom or alkyl, R3 is alkyl, R4 is alkyl, haloalkyl or the like, R5 is a hydrogen atom, alkyl or the like, R6 is haloalkyl, halogen or the like, and A is alkylene substituted by alkyl, and (b) other herbicidal compound.Type: ApplicationFiled: December 10, 2009Publication date: October 27, 2011Applicant: ISHIHARA SANGYO KAISHA, LTDInventors: Hiroshi Kikugawa, Souichiro Nagayama, Makiko Sano