Patents by Inventor Junetsu Sakai

Junetsu Sakai 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: 6872729
    Abstract: A pyrimidinylbenzimidazole or triazinylbenzimidazole derivative represented by the general formula (I): wherein A is N or CR3, and R1, R2, R3, X, Y and n are as defined in the disclosure.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: March 29, 2005
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masaru Shibata, Kiyoshi Kawai, Takechi Makihara, Norihisa Yonekura, Takehiro Kawashima, Junetsu Sakai, Norimichi Muramatsu
  • Patent number: 6812229
    Abstract: It is to provide a novel fungicide having high controlling effects on plant diseases particularly on wheat powdery mildew and cucumber gray mold, without ill effects on crops. A carbamate derivative represented by the general formula [I] {wherein X is a halogen atom, a C1-C6 alkyl group or the like, n is 0 or an integer of from 1 to 4, R1 is a C1-C6 alkyl group, R2 is a hydrogen atom, a C1-C6 alkyl group or the like, R3 is a hydrogen atom or a C1-C6 alkyl group, G is an oxygen atom, a sulfur atom or the like, Y is a hydrogen atom, a C1-C10 alkyl group, C2-C10 alkenyl group or the like, and Q is a hydrogen atom, a C1-C6 haloalkyl group, a phenyl group or the like} and an agricultural/horticultural fungicide containing the same as the active ingredient.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: November 2, 2004
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masami Ozaki, Shunichiro Fukumoto, Ryuji Tamai, Kazuhiro Ikegaya, Norihisa Yonekura, Takahiro Kawashima, Junetsu Sakai, Norimichi Muramatsu, Makikazu Takagaki, Kouzou Nagayama
  • Publication number: 20040023966
    Abstract: A pyrimidinylbenzimidazole or triazinylbenzimidazole derivative represented by the general formula (I): 1
    Type: Application
    Filed: March 10, 2003
    Publication date: February 5, 2004
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Masaru Shibata, Kiyoshi Kawai, Takechi Makihara, Norihisa Yonekura, Takehiro Kawashima, Junetsu Sakai, Norimichi Muramatsu
  • Patent number: 6576631
    Abstract: A pyrimidinylbenzimidazole or triazinylbenzimidazole derivative represented by the general formula (I): wherein A is N or CR3, and R1, R2, R3, X, Y and n are as defined in the disclosure.
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: June 10, 2003
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masaru Shibata, Kiyoshi Kawai, Takechi Makihara, Norihisa Yonekura, Takehiro Kawashima, Junetsu Sakai, Norimichi Muramatsu
  • Patent number: 5811424
    Abstract: The present invention provides an amino-acid amide derivative represented by the formula: ##STR1## (wherein R.sup.1 represents a lower alkyl group (optionally having at least one same or different substituent of a halogen atom), R.sup.2 represents an ethyl group, R.sup.3 represents a hydrogen atom, R.sup.4 represents a hydrogen atom, R.sup.5, R.sup.6, and R.sup.7 independently represent a hydrogen atom or a lower alkyl group, R.sup.8 represents a hydrogen atom, Z.sup.1 and Z.sup.2 independently represent an oxygen atom or a sulfur atom, Z.sup.3 represents an oxygen atom or a sulfur atom, Q represents a phenyl group, m represents an integer from 0 to 2, and n represents 0 or 1), and an agricultural or horticultural fungicide including an effective amount of the same. The amino-acid amide derivatives exhibit a superior control of plant diseases, particularly downy mildew and late blight, and are not harmful to plants.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: September 22, 1998
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masaru Shibata, Kazuhiko Sugiyama, Norihisa Yonekura, Junetsu Sakai, Yoshiyuki Kojima, Shigeru Hayashi
  • Patent number: 5789428
    Abstract: The present invention provides an amino-acid amide derivative represented by the formula: ##STR1## (wherein R.sup.1 represents a C1.about.C6 alkyl group, a C3.about.C8 cycloalkyl group, or a phenyl group, R.sup.2 represents a hydrogen atom or a methyl group, X represents a halogen atom, a methyl group, a methoxy group, Y represents a C1.about.C6 alkyl group, A represents an oxygen atom, or a sulfur atom, and n represents 0 or an integer from 1 to 3), an agricultural or horticultural fungicide including an effective amount of the same, and a method for killing agriculturally or horticulturally harmful fungi which comprises a step of using a fungicidally effective amount of the amino-acid amide derivative. The present invention provides the amino-acid amide derivatives, which exhibit superior control of plant diseases such as late blight and downy mildew, and which are not harmful chemicals.
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: August 4, 1998
    Assignees: Kumiai Chemical Industry Co. Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masaru Shibata, Kazuhiko Sugiyama, Norihisa Yonekura, Junetsu Sakai, Yoshiyuki Kojima, Shigeru Hayashi
  • Patent number: 5723469
    Abstract: The present invention provides an agricultural or horticultural fungicide including an effective amount of an amino-acid derivative represented by the formula: ##STR1## wherein R.sup.1 represents a lower alkyl group (optionally having at least one same or different substituent of a halogen atom, an alkoxy group, and a cyano group), R.sup.2 represents an ethyl group, or an n-propyl group, R.sup.3 represents a hydrogen atom or a lower alkyl group, R.sup.4 represents a hydrogen atom, R.sup.5, R.sup.6, and R.sup.7 independently represent a hydrogen atom or a lower alkyl group, R.sup.8 represents a hydrogen atom, or a lower alkyl group, Z.sup.1 and Z.sup.2 independently represent an oxygen atom or a sulfur atom, Z.sup.3 represents an oxygen atom, or a sulfur atom, Q represents a phenyl group, m represents an integer from 0 to 2, and n represents 0 or 1.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: March 3, 1998
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masaru Shibata, Kazuhiko Sugiyama, Norihisa Yonekura, Junetsu Sakai, Yoshiyuki Kojima, Shigeru Hayashi
  • Patent number: 5574064
    Abstract: The present invention provides an agricultural or horticultural fungicide including an effective amount of an amino-acid derivative represented by the formula: ##STR1## wherein R.sup.1 represents a lower alkyl group (optionally having at least one same or different substituent of a halogen atom, an alkoxy group, and a cyano group), R.sup.2 represents an ethyl group, or an n-propyl group, R.sup.3 represents a hydrogen atom or a lower alkyl group, R.sup.4 represents a hydrogen atom, R.sup.5, R.sup.6, and R.sup.7 independently represent a hydrogen atom or a lower alkyl group, R.sup.8 represents a hydrogen atom, or a lower alkyl group, Z.sup.1 and Z.sup.2 independently represent an oxygen atom or a sulfur atom, Z.sup.3 represents an oxygen atom, or a sulfur atom, Q represents a phenyl group, m represents an integer from 0 to 2, and n represents 0 or 1.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: November 12, 1996
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masaru Shibata, Kazuhiko Sugiyama, Norihisa Yonekura, Junetsu Sakai, Yoshiyuki Kojima, Shigeru Hayashi
  • Patent number: 5536837
    Abstract: The present invention provides an N-sulfonyl carboxylic amide derivative including an N-containing 6-membered aromatic ring represented by formula [I]: ##STR1## wherein R.sup.1 represents an alkyl group, an alkenyl group, or the like, R.sup.2 represents a hydrogen atom, an alkyl group, or the like, R.sup.3 and R.sup.4 represent independently an alkyl group, alkoxy group, or the like, and X and Y represent independently a methyne group or a nitrogen atom; or the salt of the same, a method for producing the same, and a biocide containing the same as an active ingredient. The N-sulfonyl carboxylic amide derivative including an N-containing 6-membered aromatic ring according to the present invention exhibits superior effects against blight caused by plant pathogenic fungi belonging to Oomycetes such as downy mildew, late blight, or the like in a low concentration as well as controls weeds occurring in paddy fields and plowed fields.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: July 16, 1996
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Ikumi Urushibata, Takumi Yoshimura, Takeshi Deguchi, Norihisa Yonekura, Junetsu Sakai, Shigeru Hayashi
  • Patent number: 5478799
    Abstract: The present invention provides an N-sulfonyl carboxylic amide derivative including an N-containing 6-membered aromatic ring represented by formula [I]: ##STR1## wherein R.sup.1 represents an alkyl group, an alkenyl group, or the like, R.sup.2 represents a hydrogen atom, an alkyl group, or the like. R.sup.3 and R.sup.4 represent independently an alkyl group or a nitrogen atom; or the salt of the same, a method for producing the same, and a biocide containing the same as an active ingredient. The N-sulfonyl carboxylic amide derivative including an N-containing 6-membered aromatic ring according to the present invention exhibits superior effects against blight caused by plant pathogenic fungi belonging to Oomycetes such as downy mildew, late blight, or the like in a low concentration as well as controls weeds occurring in paddy fields and plowed fields.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: December 26, 1995
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Ikumi Urushibata, Takumi Yoshimura, Takeshi Deguchi, Norihisa Yonekura, Junetsu Sakai, Shigeru Hayashi
  • Patent number: 5444060
    Abstract: The present invention provides an N-sulfonyl carboxylic amide derivative including an N-containing 6-membered aromatic ring represented by formula [I]: ##STR1## wherein R.sup.1 represents an alkyl group, an alkenyl group, or the like, R.sup.2 represents a hydrogen atom, an alkyl group, or the like, R.sup.3 and R.sup.4 represent independently an alkyl group, alkoxy group, or the like, and X and Y represent independently a methyne group or a nitrogen atom; or the salt of the same, a method for producing the same, and a biocide containing the same as an active ingredient. The N-sulfonyl carboxylic amide derivative including an N-containing 6-membered aromatic ring according to the present invention exhibits superior effects against blight caused by plant pathogenic fungi belonging to Oomycetes such as downy mildew, late blight, or the like in a low concentration as well as controls weeds occurring in paddy fields and plowed fields.
    Type: Grant
    Filed: November 2, 1993
    Date of Patent: August 22, 1995
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Ikumi Urushibata, Takumi Yoshimura, Takeshi Deguchi, Norihasa Yonekura, Junetsu Sakai, Shigeru Hayashi