Patents by Inventor Hiroki Tomioka

Hiroki Tomioka 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: 5252590
    Abstract: A novel pyridylimidazole derivative having the formula; ##STR1## wherein R.sup.1 is a halogen atom, a nitro group or a trifluoromethyl group; R.sup.2 is a C.sub.1 -C.sub.3 haloalkyl group or a C.sub.1 -C.sub.3 haloalkoxy group; R.sup.3 is a C.sub.1 -C.sub.3 alkyl group; R.sup.4 is a tert-butyl group or a C.sub.1 -C.sub.4 haloalkyl group, a process for producing the same and insecticides containing the same as an active ingredient, are disclosed.
    Type: Grant
    Filed: June 24, 1992
    Date of Patent: October 12, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Noriyasu Sakamoto, Kimitoshi Umeda, Hiroaki Fujimoto, Takao Ishiwatari, Hirosi Kisida
  • Patent number: 5180732
    Abstract: A novel 4-tert.-butylimidazole derivative having the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, a C.sub.1 -C.sub.3 alkyl group, a C.sub.1 -C.sub.3 alkylthio group or a C.sub.2 -C.sub.3 alkoxyalkyl group; R.sup.2 is a halogen atom, a nitro group or a trifluoromethyl group; R.sup.3 is a C.sub.1 -C.sub.3 haloalkyl group, a C.sub.1 -C.sub.3 haloalkoxy group; X is a nitrogen atom or a group represented by the formula ##STR2## in which Y is a halogen atom or a nitro group, a process for producing the same and insecticides containing the same as an active ingredient, are disclosed.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: January 19, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Noriyasu Sakamoto, Kimitoshi Umeda, Hiroaki Fujimoto, Takao Ishiwatari, Hirosi Kisida
  • Patent number: 5153215
    Abstract: A novel 1-phenylimidazole derivative having the formula: ##STR1## wherein R is a hydrogen atom or a methyl group; X is a fluorine atom, a chlorine atom or a nitro group; Y is a fluorine atom or a chlorine atom; Z is a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom, a process for producing the same and insecticides containing the same as an active ingredient, are disclosed.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: October 6, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Noriyasu Sakamoto, Kimitoshi Umeda, Hiroaki Fujimoto, Takao Ishiwatari, Hirosi Kisida
  • Patent number: 5124341
    Abstract: The present invention relates to an oxadiazolinone derivative represented by the following general formula, a process for producing the same and insecticides containing the same as an active ingredient: ##STR1## wherein R.sup.1 is a haloalkyl group or a haloalkoxy group; R.sup.2 is a halogen atom, nitro group, trifluoromethyl group of 1-pyrrolyl group; R.sup.3 is a bicycloalkyl group, a methyl- or choro-substituted cycloalkyl group, an alkenyl group, a methyl-substituted cycloalkenyl group, 2-methyl-1,3-dithioran-2-yl group or an alkyl group, wherein the alkyl group may be substituted with a halogen atom, an alkoxy group, an alkylthio group, an alkylsulfinyl group, an alkylsulfonyl group or an alkoxycarbonyl group; R.sup.4 is hydrogen atom or fluorine atom; and X is CR.sup.2 or N.The oxidiazolinone derivative can be used as an insecticide by formulating it into emulsifiable concentrates, wettable powders, dusts, granules, flowable concentrates and poison baits, etc..
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: June 23, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Noriyasu Sakamoto, Kimitoshi Umeda, Hiroaki Fujimoto, Takao Ishiwatari, Hirosi Kisida
  • Patent number: 5122530
    Abstract: A novel pyridylimidazole derivative having the formula; ##STR1## wherein R.sup.1 is a hydrogen atom, a C.sub.1 -C.sub.3 alkyl group, a C.sub.1 -C.sub.3 alkylthio group or a C.sub.2 -C.sub.3 alkoxyalkyl group; R.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.4 haloalkyl group; R.sup.3 is a halogen atom, a nitro group or a trifluoromethy group; R.sup.4 is a C.sub.1 -C.sub.3 haloalkyl group or a C.sub.1 -C.sub.3 haloalkoxy group, a process for producing the same and insecticides containing the same as an active ingredient, are disclosed.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: June 16, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Noriyasu Sakamoto, Kimitoshi Umeda, Hiroaki Fujimoto, Takao Ishiwatari, Hirosi Kisida
  • Patent number: 5075488
    Abstract: A soil disease controlling agent for preventing and controlling diseases caused by pathogenic fungi living in soil, which comprises an effective amount of at least one of a 2-cycloalkenylamine derivative and its salts as an active ingredient, and at least one inert carrier or diluent.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: December 24, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Tadashi Ooishi, Junya Takahashi, Mitsuru Sasaki, Naonori Hirata
  • Patent number: 4843090
    Abstract: A controlling composition for Fusarium diseases caused by the benzimidazole-resistant or sensitive strain of Fusarium which comprises as an active ingredient a benzimidazole derivative represented by the general formula (I) (hereinafter referred to as present composition), ##STR1## wherein R represents a C.sub.1 -C.sub.3 lower alkyl group, and n represents 1, 2 or 3.
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: June 27, 1989
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Tadashi Ooishi, Naonori Hirata
  • Patent number: 4709052
    Abstract: A soil disease controlling agent for preventing and controlling diseases caused by pathogenic fungi living in soil, which comprises an effective amount of at least one of a 2-cycloalkenylamine derivative and its salts as an active ingredient, and at least one inert carrier or diluent.
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: November 24, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Tadashi Ooishi, Junya Takahashi, Mitsuru Sasaki, Naonori Hirata
  • Patent number: 4689340
    Abstract: The present invention relates to a trihaloimidazole derivative represented by the formula, ##STR1## wherein X and Y, being the same or different, each represent a halogen atom, and n represents an integer of 4 to 6, its production and an insecticidal composition containing it as an active ingredient.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: August 25, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshihiko Yano, Yoji Takada, Hiroki Tomioka, Naonori Hirata
  • Patent number: 4668693
    Abstract: A bromodichloroimidazole derivative represented by the formula ##STR1## wherein R represents a C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.5 alkyl substituted by one or more halogen atoms, C.sub.3 alkenyl, C.sub.3 alkenyl substituted by one or more halogen atoms, C.sub.3 alkynyl or C.sub.3 alkynyl group substituted by one or more halogen atoms; its production; and an insecticidal and/or acaricidal composition containing it as an active ingredient.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: May 26, 1987
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Toshihiko Yano, Hisami Takeda, Naonori Hirata