Patents by Inventor Hisayuki Hoshi

Hisayuki Hoshi 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: 6242634
    Abstract: Novel pyrimidin-4-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R1 is hydrogen or alkyl; R2 is alkyl optionally substituted with halogen; R3 is alkyl optionally substituted with halogen, alkenyl, or alkynyl; and Q is substituted phenyl. Also provided are intermediates for their production and processes for producing these intermediates.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: June 5, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masayuki Enomoto, Hisayuki Hoshi, Yuzuru Sanemitsu
  • Patent number: 6211118
    Abstract: Provided are herbicidal compositions comprising 2-chloro-4-fluoro-5-(4-methyl-5-trifluoromethyl-3-pyridazinon-2-yl)phenyl C1-C5 non-cyclic hydrocarbyl ether in combination with a second herbicidal compound selected from a group consisting of 1-(2-ethylsulfonylimidazo[1,2-a]pyridin-3-ylsulfonyl)-3-(4,6-dimethoxypyrimidin-2-yl) urea, 2-(2-trifluoromethoxy-phenyl-sulfonylaminocarbonyl)-4-methyl-5-methoxy-2,4-dihydro-3H-1,2,4-triazol-3-one, methyl 4-iodo-2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]benzoate, and methyl 2-[4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl]-6-(trifluoromethyl)nicotinate, monosodium salt. Methods of controlling a weed or weeds are also provided in the instant invention.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: April 3, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hisayuki Hoshi
  • Patent number: 6207616
    Abstract: The present invention provides for herbicidal compositions comprising (i) 3,6-dichloro-2-methoxybenzoic acid or salts thereof, and (ii) ethyl 2-chloro-3-[2-chloro-5-(1,3-dioxo-4,5,6,7-tetrahydroisoindolin-2-yl)phenyl]acrylate as active ingredients. The present inventive compositions can control a wide variety of weeds in corn fields, soybean fields, wheat fields, barley fields, oats fields, rye fields, rice fields, paddy fields or the like, with selectivity to crops. Methods for controlling weeds are also provided.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: March 27, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hisayuki Hoshi
  • Patent number: 6197727
    Abstract: The present invention provides herbicide compositions for foliar treatment each containing as active ingredients, a 2-chloro-4-fluoro-5-(4methyl-5-trifluoromethyl-3-pyridazinon-2-chloro-2-yl)phenyl C1-C5 non-cyclic hydrocarbyl ether and one selected from the group consisting of (RS)-2-(4-chloro-2methylphenoxy)propionic acid, 2,4-dichlorophenoxyacetic acid, (4-chloro-2-methyl)phenoxyacetic acid, 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-amino]carbonyl]amino]sulfonyl] benzoate, 2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide, ethyl (R)-2-[4(6-chloro-1 3-benzoxazol-2-yloxy)phenoxy]propanoate, methyl (RS)-2-[4-(2,4-dichlorophenoxy)phenoxy]propionate, 3,5-dibromo-4-hydroxybenzonitrile, 4-hydroxy-3,5-diiodobenzonitrile, 3-(4-isopropylphenyl)-N′, N′-dimethylurea, N′-(3-chloro-4-methylphenyl)-N,N-dimethylurea and N-(2,4-difluorophenyl)-2-[3-(trifluoromethyl)phenoxy]-3-p
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: March 6, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hisayuki Hoshi
  • Patent number: 6194351
    Abstract: The present invention provides for pesticidal compositions comprising (i) at least one compound selected from the group consisting of N-(phosphonomethyl)glycine, a salt thereof and ammonium-DL-homoalanin-4-yl(methyl)phosphinate, and (ii) ethyl 2-chloro-3-[2-chloro-5-(1,3-dioxo-4,5,6,7-tetrahydroisoindolin-2-yl)phenyl]acrylate as active ingredients. The present inventive compositions can control a wide variety of weeds in corn fields, soybean fields, wheat fields, barley fields, oat fields, rye fields, rice fields, paddy fields or the like, with selectivity to crops. Methods for controlling weeds are also provided.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: February 27, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hisayuki Hoshi
  • Patent number: 6191070
    Abstract: Pyrimidinone derivatives of the general formula: wherein R1 is hydrogen or alkyl; R2 is haloalkyl; R3 is nitrogen or CH; G is optionally substituted ethylene, trimethylene, or vinylene; and Q is selected from several optionally substituted or heterocyclic-condensed phenyl groups, are useful as the active ingredients of herbicides because of their excellent herbicidal activity.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: February 20, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takashi Komori, Hisayuki Hoshi
  • Patent number: 6180564
    Abstract: The present invention provides for herbicidal composition comprising (i) 3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide, and (ii) ethyl 2-chloro-3-[2-chloro-5-(1,3-dioxo-4,5,6,7-tetrahydroisoindolin-2-yl)phenyl]acrylate as active ingredients. The present inventive composition can control a wide variety of weeds in corn fields, soybean fields, wheat fields, barley fields, oats fields, rye fields, rice fields, paddy fields or the like, with selectivity to crops. Methods for controlling weeds are also provided.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: January 30, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hisayuki Hoshi
  • Patent number: 6140269
    Abstract: The present invention provides for herbicidal composition comprising (i) ethyl O-[5-(2-chloro-.alpha., .alpha., .alpha.-trifluoro-p-tolyloxy)-2-nitrobenzoyl]-DL-lactate, and (ii) ethyl 2-chloro-3-[2-chloro-5-(1,3-dioxo-4,5,6,7-tetrahydroisoindolin-2-yl)phenyl ]acrylate as active ingredients. The present inventive composition can control a wide variety of weeds in corn fields, soybean fields, wheat fields, barley fields, oats fields, rye fields, rice fields, paddy fields or the like, with selectivity to crops. Methods for controlling weeds are also provided.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: October 31, 2000
    Assignee: Sumitomo Chemical Co., Limited
    Inventor: Hisayuki Hoshi
  • Patent number: 6107250
    Abstract: The present invention provides novel pyridazin-3-one derivatives of general formula (1): ##STR1## wherein R.sup.1 is haloalkyl; R.sup.2 and R.sup.3 are independently hydrogen, alkl, haloalkyl, or alkoxyalkyl; X is hydrogen or halogen; Y is halogen, nitro, cyano, or trihalomethyl; Z.sup.1 is oxygen, sulfur, CH.sub.2, or NH; R.sup.4 is hydrogen, halogen, or alkyl; and R.sup.5 is cycoalkyl, formyl, benzyl, alkyl with an epoxy group, or other substituents as defined in the description, and herbicides containing them as active ingredients.
    Type: Grant
    Filed: February 19, 1998
    Date of Patent: August 22, 2000
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Yoshitomo Tohyama, Masayuki Enomoto, Hisayuki Hoshi
  • Patent number: 6100257
    Abstract: Novel pyrimidin-4-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R.sup.1 is hydrogen or alkyl; R.sup.2 is alkyl optionally substituted with halogen; R.sup.3 is alkyl optionally substituted with halogen, alkenyl, or alkynyl; and Q is substituted phenyl. Also provided are intermediates for their production and processes for producing these intermediates.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: August 8, 2000
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Masayuki Enomoto, Hisayuki Hoshi, Yuzuru Sanemitsu
  • Patent number: 6037310
    Abstract: The present invention provides for pesticidal compositions comprising (i) 6-chloro-N-ethyl-N-isopropyl-1,3,5-triazine-2,4-diamine ("atrazine"), and (ii) ethyl 2-chloro-3-[2-chloro-5-(1,3-dioxo-4,5,6,7-tetrahydroisoindolin-2-yl)phenyl ]acrylate ("cinidon-ethyl") as active ingredients. The present inventive compositions can control a wide variety of weeds in corn fields, soybean fields, wheat fields, barley fields, oat fields, rye fields, rice fields, paddy fields or the like, with selectivity to crops. Methods for controlling weeds are also provided.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: March 14, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Hisayuki Hoshi
  • Patent number: 6015774
    Abstract: Novel pyrazin-2-one derivatives of formula [1] are provided, ##STR1## which are useful as active ingredients of herbicides, wherein R.sup.1 is hydrogen or alkyl; R.sup.2 is haloalkyl; R.sup.3 is optionally substituted alkyl; alkenyl, or alkynyl; and Q is optionally substituted phenyl. Also provided are their use and intermediates for their production.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: January 18, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Akira Shuto, Hisayuki Hoshi, Yuzuru Sanemitsu
  • Patent number: 5998333
    Abstract: Pyrimidinone derivatives of the general formula: ##STR1## wherein R.sup.1 is hydrogen or alkyl; R.sup.2 is haloalkyl; R.sup.3 is nitrogen or CH; G is optionally substituted ethylene, trimethylene, or vinylene; and Q is selected from several heterocyclic-condensed phenyl groups, are useful as the active ingredients of herbicides because of their excellent herbicidal activity.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: December 7, 1999
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Takashi Komori, Hisayuki Hoshi