Patents by Inventor Toru Haga

Toru Haga 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).

  • Indazole compounds, and their production and use
    Patent number: 4831150
    Abstract: A compound of the formula: ##STR1## wherein R is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group or a C.sub.1 -C.sub.3 alkoxy(C.sub.1 -C.sub.2)alkyl group, which is useful as a herbicide.
    Type: Grant
    Filed: June 8, 1988
    Date of Patent: May 16, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Kouichi Morita, Ryo Sato
  • Indazole compounds, and their production and use
    Patent number: 4831149
    Abstract: A compound of the formula: ##STR1## wherein R is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group or a C.sub.1 -C.sub.3 alkoxy(C.sub.1 -C.sub.2)alkyl group, which is useful as a herbicide.
    Type: Grant
    Filed: June 8, 1988
    Date of Patent: May 16, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Kouichi Morita, Ryo Sato
  • Benzothiazolylazolidines, and their production and use
    Patent number: 4828605
    Abstract: A compound of the formula: ##STR1## wherein R is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.5 alkenyl group, a C.sub.3 -C.sub.5 alkynyl group or a C.sub.1 -C.sub.3 alkoxy(C.sub.1 -C.sub.3)alkyl group, X is a nitrogen atom or a methine group and Y is a sulfur atom or an oxygen atom, which is useful as a herbicide.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: May 9, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Kouichi Morita, Ryo Sato
  • Benzothiazolones, and their production and use
    Patent number: 4824465
    Abstract: A compound of the formula: ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group or a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkyl group, R.sup.2 is a t-butyl group or a 1-methylcyclopropyl group and X is a fluorine atom or a chlorine atom, which is useful as a herbicide.
    Type: Grant
    Filed: August 25, 1987
    Date of Patent: April 25, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Ryo Sato, Kouichi Morita
  • Indazole compounds, and their production and use
    Patent number: 4820333
    Abstract: A compound of the formula: ##STR1## wherein R is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group or a C.sub.1 -C.sub.3 alkoxy(C.sub.1 -C.sub.2)alkyl group, which is useful as a herbicide.
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: April 11, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Kouichi Morita, Ryo Sato
  • 1,4-benzoxazin-3-one-6-(amino or nitro) intermediates
    Patent number: 4792605
    Abstract: A compound of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group, a C.sub.1 -C.sub.4 haloalkyl group, a C.sub.3 -C.sub.4 haloalkenyl group, a C.sub.3 -C.sub.4 haloalkynyl group a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkyl group or a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkoxy(C.sub.1 -C.sub.2)alkyl group, R.sub.2 and R.sub.3 are, the same or different, each a hydrogen atom, a halogen atoms, a C.sub.1 -C.sub.3 alkyl group or a phenyl group, X is a hydrogen atom, a chlorine atom or a fluorine atom and n is an interger of 0 or 1, which is useful as a herbicide.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: December 20, 1988
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Eiki Nagano, Toru Haga, Ryo Sato, Kouichi Morita
  • Benzothiazolylazolidines, and their production and use
    Patent number: 4786310
    Abstract: A compound of the formula: ##STR1## wherein R is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.5 alkenyl group, a C.sub.3 -C.sub.5 alkynyl group or a C.sub.1 -C.sub.3 alkoxy (C.sub.1 -C.sub.3)alkyl group, X is a nitrogen atom or a methine group and Y is a sulfur atom or an oxygen atom, which is useful as a herbicide.
    Type: Grant
    Filed: January 6, 1987
    Date of Patent: November 22, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Kouichi Morita, Ryo Sato
  • Benzotriazoles, and their production and use
    Patent number: 4755215
    Abstract: A compound of the formula: ##STR1## wherein R is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.5 alkenyl group, a C.sub.3 -C.sub.5 alkynyl group or a C.sub.3 -C.sub.7 cycloalkyl group, which is useful as a herbicide.
    Type: Grant
    Filed: January 14, 1986
    Date of Patent: July 5, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Ryo Sato, Kouichi Morita
  • 2-substituted phenyl-3-chlorotetrahydro-2H-indazoles composition containing them, and herbicidal method of using them
    Patent number: 4752325
    Abstract: A compound of the formula: ##STR1## wherein R is a C.sub.2 -C.sub.3 alkyl group, a C.sub.3 -C.sub.4 alkenyl group or a C.sub.3 -C.sub.4 alkynyl group and X is a chlorine atom or a bromine atom, which is useful as a herbicide.
    Type: Grant
    Filed: February 5, 1985
    Date of Patent: June 21, 1988
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Toru Haga, Eiki Nagano, Ryo Sato, Ryo Yoshida
  • Phenylhydrazonocyclohexanone oximes
    Patent number: 4740619
    Abstract: A compound of the formula: ##STR1## wherein R is a hydrogen atom, a C.sub.1 -C.sub.4 alkoxy group, a C.sub.1 -C.sub.4 alkenyloxy group, a C.sub.3 -C.sub.4 alkynyloxy group, a C.sub.1 -C.sub.4 alkylthio group, a dichlorocyclopropylmethoxy group or a methyldichlorocyclopropylmethoxy group, X is a chlorine atom or a bromine atom and Y is a hydrogen atom, a fluorine atom or a chlorine atom, which is useful as a herbicide.
    Type: Grant
    Filed: February 3, 1987
    Date of Patent: April 26, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Masayuki Takase, Ryo Sato
  • Benzothiazolones, and their production and use as herbicides
    Patent number: 4720297
    Abstract: A compound of the formula: ##STR1## wherein R is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group, a halo(C.sub.1 -C.sub.4)alkyl group, a halo(C.sub.3 -C.sub.4)alkenyl group, a halo(C.sub.3 -C.sub.4)alkynyl group, a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkyl group, a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkoxy(C.sub.1 -C.sub.2)alkyl group, a cinnamyl group, a cyano(C.sub.1 -C.sub.3)alkyl group, a carboxy(C.sub.1 -C.sub.3)alkyl group, a C.sub.1 -C.sub.5 alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group, a halo(C.sub.1 -C.sub.5)alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group, a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group, a C.sub.1 -C.sub.5 alkoxycarbonyl(C.sub.1 -C.sub.2)alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group, a cyclo(C.sub.3 -C.sub.6)alkoxycarbonyl(C.sub.1 -C.sub.3)alkyl group, a C.sub.1 -C.sub.5 alkylaminocarbonyl(C.sub.1 -C.sub. 3)alkyl group or a di(C.sub.1 -C.sub.5)alkylaminocarbonyl(C.sub.1 -C.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: January 19, 1988
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Ryo Sato, Kouichi Morita
  • Tetrahydrophthalimides, and their production and use as herbicides
    Patent number: 4670042
    Abstract: A compound of the formula: ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.5 alkenyl group, a C.sub.3 -C.sub.5 alkynyl group or a C.sub.1 -C.sub.3 alkoxymethyl group, X is a hydrogen atom, a fluorine atom or a chlorine atom and A is a group of the formula: ##STR2## in which R.sup.2 is a hydrogen atom or a methyl group, R.sup.3 is a hydrogen atom or a methyl group and the nitrogen atom is bonded to the benzene ring, which is useful as a herbicide.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: June 2, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Ryo Sato, Kouichi Morita
  • Benzotriazoles, and their production and use 4-halophenyl-tetrahydrobenzotriazloes as herbicides
    Patent number: 4668278
    Abstract: A compound of the formula: ##STR1## wherein R is a hydrogen atom, a C.sub.1 -C.sub.4 alkoxy group, a C.sub.1 -C.sub.4 alkenyloxy group, a C.sub.3 -C.sub.4 alkynyloxy group, a C.sub.1 -C.sub.4 alkylthio group, a dichlorocyclopropylmethoxy group or a methyldichlorocyclopropylmethoxy group, X is a chlorine atom or a bromine atom and Y is a hydrogen atom, a fluorine atom or a chlorine atom, which is useful as a herbicide.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: May 26, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Masayuki Takase, Ryo Sato
  • Tetrahydrophthalimides and their herbicidal use
    Patent number: 4640707
    Abstract: A compound of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group, a C.sub.1 -C.sub.4 haloalkyl group, a C.sub.3 -C.sub.4 haloalkenyl group, a C.sub.3 -C.sub.4 haloalkynyl group, a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkyl group or a C.sub.1 -C.sub.2 alkoxy(C.sub.1 -C.sub.2)alkoxy(C.sub.1 -C.sub.2)alkyl group, R.sub.2 and R.sub.3 are, the same or different, each a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.3 alkyl group or a phenyl group, X is a hydrogen atom, a chlorine atom or a fluorine atom and n is an integer of 0 or 1, which is useful as a herbicide.
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: February 3, 1987
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Eiki Nagano, Toru Haga, Ryo Sato, Kouichi Morita
  • Triazolopyridazines and their use as herbicides
    Patent number: 4619687
    Abstract: A compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a C.sub.1 -C.sub.5 alkyl group, a C.sub.3 -C.sub.4 alkenyl group, a C.sub.3 -C.sub.4 alkynyl group or a C.sub.1 -C.sub.4 alkoxymethyl group, X is a hydrogen atom or a fluorine atom and Y is an oxygen atom or a sulfur atom, which is useful as a herbicide.
    Type: Grant
    Filed: September 25, 1985
    Date of Patent: October 28, 1986
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Ryo Sato, Kouichi Morita
  • Herbicidal 2-phenyl-4,5,6,7-tetrahydro-2H-indazoles
    Patent number: 4608080
    Abstract: A compound of the formula: ##STR1## wherein R is a mono- or di-halo(C.sub.3 -C.sub.4)alkenyl group or a mono-halo(C.sub.3 -C.sub.4)alkynyl group and X is a chlorine atom or a bromine atom, which is useful as a herbicide.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: August 26, 1986
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toru Haga, Eiki Nagano, Ryo Sato, Ryo Yoshida
  • Substituted phenyl-4,5,6,7-tetrahydro-2H-isoindole-1,3-diones, and their production and use
    Patent number: 4595409
    Abstract: A compound of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a fluorine atom or a methyl group and R.sub.2 is a C.sub.1 -C.sub.3 alkyl group, a C.sub.1 -C.sub.5 alkoxy group, a chloro(C.sub.2 -C.sub.4)alkoxy group, a dichloro(C.sub.2 -C.sub.4)alkoxy group, a cyclo(C.sub.3 -C.sub.7)alkoxy group, a phenoxy group, a C.sub.1 -C.sub.5 alkylthio group or a di(C.sub.1 -C.sub.5)alkylamino group, which is useful as a herbicide.
    Type: Grant
    Filed: August 8, 1984
    Date of Patent: June 17, 1986
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Toru Haga, Eiki Nagano, Ryo Yoshida, Shunichi Hashimoto