Patents by Inventor Hirotaka Takano

Hirotaka Takano 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: 11970609
    Abstract: Provided a resin sheet excellent in both flame retardancy and impact resistance. The resin sheet according to the present invention is a resin sheet including an aromatic polycarbonate resin; an inorganic filler; a phosphorus-containing compound; and a silicon-containing compound, the resin sheet having a first surface on one side in a thickness direction; and a section in a direction perpendicular to the first surface, the section having segmentation areas of the inorganic filler, and the resin sheet having a ratio of a standard deviation of the segmentation areas to an average of the segmentation areas, the ratio being 0.53 or less, the segmentation areas each calculated by a segmentation method.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: April 30, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroki Oozeki, Hirotaka Takano, Takuto Kosai
  • Publication number: 20230151223
    Abstract: A pipe (10) includes a polyethylene-based resin layer (21) containing a polyethylene-based resin composition as a major component. The polyethylene-based resin layer (21) forms a pipeline member inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10 ppm or more and 60 ppm or less.
    Type: Application
    Filed: March 9, 2021
    Publication date: May 18, 2023
    Applicants: SEKISUI CHEMICAL CO., LTD., JAPAN POLYETHYLENE CORPORATION
    Inventors: Tomoki YAMADA, Hirotsugu YOSHIDA, Hirotaka TAKANO, Tetsuya YOSHIKIYO, Tomoki HIRAMOTO
  • Publication number: 20220145071
    Abstract: Provided is a resin composition which has superior shapeability and affords a molded article superior in flame retardancy and impact resistance. The resin composition according to the present invention includes an aromatic polycarbonate resin, a sulfone resin having a structure represented by the following formula (1), an inorganic filler, a phosphorus-containing compound, and a silicon-containing compound or silicon-containing particles.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 12, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroki OOZEKI, Hirotaka TAKANO, Takuto KOSAI
  • Publication number: 20210317303
    Abstract: Provided a resin sheet excellent in both flame retardancy and impact resistance. The resin sheet according to the present invention is a resin sheet including an aromatic polycarbonate resin; an inorganic filler; a phosphorus-containing compound; and a silicon-containing compound, the resin sheet having a first surface on one side in a thickness direction; and a section in a direction perpendicular to the first surface, the section having segmentation areas of the inorganic filler, and the resin sheet having a ratio of a standard deviation of the segmentation areas to an average of the segmentation areas, the ratio being 0.53 or less, the segmentation areas each calculated by a segmentation method.
    Type: Application
    Filed: July 25, 2019
    Publication date: October 14, 2021
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hiroki OOZEKI, Hirotaka TAKANO, Takuto KOSAI
  • Patent number: 6214835
    Abstract: The present invention provides dihalopropene compounds of the general formula: wherein R1 is C1-C10 alkyl or the like; L is C(═O)NH or the like; R2, R3 and R4 are independently halogen or the like; R5, R6 and R7 are independently hydrogen or the like; m is an integer of 0 to 4; n is an integer of 0 to 2; X is chlorine or the like; Y is oxygen or the like; and Z is oxygen or the like, which have excellent insecticidal activity so that they are satisfactorily effective for the control of noxious insects.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: April 10, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Sanshiro Matsuo, Taro Hirose, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Kazunori Tsushima, Shigeru Saito, Hirotaka Takano
  • Patent number: 6140274
    Abstract: Dihalopropene compounds of the general formula: ##STR1## wherein R.sup.1 is substituted alkyl; R.sup.2, R.sup.3 and R.sup.4 are each independently halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro or cyano; A is O, S(O).sub.t or NR.sup.14 in which R.sup.14 is H or alkyl and t is 0 to 2; B is substituted alkylene, alkenylene or alkynylene; r is 0 to 2; X's are each independently halogen; Y is O, S or NH; Z is O, S or NR.sup.25 in which R.sup.25 is H, acetyl or alkyl, which are useful as active ingredients of insecticidal/acaricidal agents.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: October 31, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Ikegami, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Hirotaka Takano
  • Patent number: 6028100
    Abstract: The present invention provides dihalopropene compounds of the general formula: ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.10 alkyl or the like; L is C(.dbd.O)NH or the like; R.sub.2, R.sub.3 and R.sub.4 are independently halogen or the like; R.sub.5, R.sub.6 and R.sub.7 are independently hydrogen or the like; m is an integer of 0 to 4; n is an integer of 0 to 2; X is chlorine or the like; Y is oxygen or the like; and Z is oxygen or the like, which have excellent insecticidal activity so that they are satisfactorily effective for the control of noxious insects.
    Type: Grant
    Filed: September 16, 1998
    Date of Patent: February 22, 2000
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Sanshiro Matsuo, Taro Hirose, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Kazunori Tsushima, Shigeru Saito, Hirotaka Takano
  • Patent number: 5952386
    Abstract: The present invention provides dihalopropene compounds of the general formula: ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.10 alkyl or the like; L is C(.dbd.O)NH or the like; R.sub.2, R.sub.3 and R.sub.4 are independently halogen or the like; R.sub.5, R.sub.6 and R.sub.7 are independently hydrogen or the like; m is an integer of 0 to 4; n is an integer of 0 to 2; X is chlorine or the like; Y is oxygen or the like; and Z is oxygen or the like, which have excellent insecticidal activity so that they are satisfactorily effective for the control of noxious insects.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: September 14, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Sanshiro Matsuo, Taro Hirose, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Kazunori Tsushima, Shigeru Saito, Hirotaka Takano
  • Patent number: 5869687
    Abstract: A plant disease-controlling agent containing as an effective ingredient a pyrazoline derivative represented by the general formula ##STR1## wherein, R.sup.1 to R.sup.4 denote hydrogen atoms, etc., R.sup.5 denotes a hydrogen atom, etc., R.sup.6 and R.sup.7 are the same or different and denote optionally substituted hydrocarbon groups, and R.sup.8 and R.sup.9 are the same or different and denote hydrogen atoms, etc., provided that not all of R.sup.1 to R.sup.5 denote hydrogen atoms at the same time.The pyrazoline derivatives represented by the above general formula exhibit excellent control effects on plant diseases.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: February 9, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Junichi Sato, Tadashi Ohsumi, Hiroko Yamazaki, Norio Kimura, Hirotaka Takano, Makoto Fujimura, Noriko Ohsawa
  • Patent number: 5869506
    Abstract: The present invention provides a fluoropropene compound represented by Formula I: ##STR1## wherein R.sup.1 represents a C.sub.1 -C.sub.10 alkyl group or other groups, Z represents an oxygen atom or other groups, R.sup.2, R.sup.3, and R.sup.4 each independently represent a C.sub.1 -C.sub.3 alkyl group or other groups, r represents an integer of 0 to 2, and X represents a halogen atom or other groups.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: February 9, 1999
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Keiichi Izumi, Hiroshi Ikegami, Masaya Suzuki, Noriyasu Sakamoto, Hirotaka Takano
  • Patent number: 5763475
    Abstract: A plant disease-controlling agent containing as an effective ingredient a pyrazoline derivative represented by the general formula ##STR1## wherein, R.sup.1 to R.sup.4 denote hydrogen atoms, etc., R.sup.5 denotes a hydrogen atom, etc., R.sup.6 and R.sup.7 are the same or different and denote optionally substituted hydrocarbon groups, and R.sup.8 and R.sup.9 are the same or different and denote hydrogen atoms, etc., provided that not all of R.sup.1 to R.sup.5 denote hydrogen atoms at the same time.The pyrazoline derivatives represented by the above general formula exhibit excellent control effects on plant diseases.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: June 9, 1998
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Junichi Sato, Tadashi Ohsumi, Hiroko Yamazaki, Norio Kimura, Hirotaka Takano, Makoto Fujimura, Noriko Ohsawa
  • Patent number: 5756522
    Abstract: Disclosed are triazole derivatives represented by the following formula, insecticides and acaricides containing the triazole derivatives as active ingredients, and a method of controlling insect pests and mites. ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group, a halogen atom, 1-pyrrolyl group, a group represented by the formula NR.sup.2 R.sup.3 ; R.sup.5 represents a methyl or ethyl group substituted with at least one halogen atom; n represents 0, 1 or 2; Y represents a nitrogen atom or a group represented by the formula CX.sup.2 ; and X.sup.1 and X.sup.2 are the same or different and each represent a halogen atom, a nitro group or a cyano group.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: May 26, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroki Tomioka, Takashi Furukawa, Yoji Takada, Hirotaka Takano
  • Patent number: 5462961
    Abstract: The present invention relates to a heterocyclic compound represented by the formula, ##STR1## wherein R.sub.1 is a hydrogen atom, or an alkyl or phenyl group; R.sub.2 is a hydrogen atom, or an alkyl or haloalkyl group; R.sub.3 is a hydrogen atom, or an alkyl or phenyl group, each of R.sub.4 and R.sub.5, which may be the same or different, is a hydrogen atom or an alkyl group; each of Y's, which may be the same or different, is a hydrogen or halogen atom, or an alkyl, haloalkyl, alkoxyl or haloalkoxyl group; R.sub.6 is an alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, alkoxyalkyl, alkylthioalkyl or cycloalkyl group, or ##STR2## (in which each of V's, which may be the same or different, is a hydrogen or halogen atom, or an alkyl, haloalkyl, alkoxyl or haloalkoxyl group); Z is an oxygen or sulfur atom; and each of m and n is an integer of 1 to 5 and the production method of same. Said compound is useful as an insecticidal, acaricidal and fungicidal agents.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: October 31, 1995
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Naoto Meki, Tomotoshi Imahase, Kazue Nishida, Hiroaki Fujimoto, Kenichi Mikitani, Hirotaka Takano, Yoriko Ogasawara, Masahiro Tamaki
  • Patent number: 5322845
    Abstract: An acrylic acid compound useful for fungicides is provided. The compound has the following formula (I) ##STR1## wherein X represents a phenyl group which may be substituted, or a methylene group, n represents 0 or 1, Y represents an oxygen atom or a sulfur atom, Z represents a phenyl group, an aralkyl group, an aromatic heterocyclyl group or an aromatic heterocyclylmethylene group and Z may be substituted.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: June 21, 1994
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tsuguhiro Katoh, Atsuo Mizuguchi, Hirotaka Takano
  • Patent number: 5236924
    Abstract: A compound which is effective as an active ingredient of fungicides and/or acaricides, and is represented by the formula and a method for preparing the same are provided: ##STR1## wherein R.sub.1 and R.sub.2 are bonded together at their termini and represent trimethylene or teramethylene, R.sub.3 represents a hydrogen atom, a lower alkyl group or a halogen atom, R.sub.4 represents a hydrogen atom or a lower alkyl group, R.sub.5 represents a hydrogen atom, a lower alkyl group or a methylthio group and n represents 2 or 3.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: August 17, 1993
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Tsuguihiro Katoh, Hirotaka Takano, Hiroaki Fujimoto, Hirosi Kisida
  • Patent number: 5049575
    Abstract: Fungicide contains a substituted pyrazole carboxylic acid of the formula: ##STR1## wherein R.sub.1 is a methyl or trifluoromethyl group, R.sub.2 is halogen atom, R.sub.3 and R.sub.4 are, same or different, a methyl or ethyl and R.sub.5 is an ethyl, propyl, butyl group or hydrogen atom.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: September 17, 1991
    Assignee: Sumitomo Chemical Company
    Inventors: Tadashi Ohsumi, Tatsuya Mori, Sumio Nishida, Shigeo Nakamura, Kiyoto Maeda, Hirotaka Takano
  • Patent number: 5028714
    Abstract: There are disclosed a pyrazole compound represented by the formula ##STR1## wherein the substituents of R.sub.1 to R.sub.7 and the symbol Z have the specified meanings as described in the text, an insecticidal, acaricidal and fungicidal composition containing the same, use of said composition for control of insects, acarids and fungi and a method of preparing said compound, and its intermediate.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: July 2, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Naoto Meki, Kazue Nishida, Tomotoshi Imahase, Hiroaki Fujimoto, Kenichi Mikitani, Hirotaka Takano, Yoriko Ogasawara, Masahiro Tamaki
  • Patent number: 5004816
    Abstract: A substituted carboxylic acid derivative which is fungicidally active is provided. The compound has the formula: ##STR1## wherein R.sub.1 stands for a methyl or ethyl group, A stands for ##STR2## R.sub.2 stands for a methyl, ethyl or trifluoromethyl group, R.sub.3 stands for a methyl group or a halogen or hydrogen atom, R.sub.4 stands for a fluorine or hydrogen atom, R.sub.5 stands for a methyl, nitro or trifluoromethyl group or a halogen atom, Z stands for a .dbd.CH-- group or an N atom, R.sub.6 stands for a methyl, ethyl or trifluoromethyl group and R.sub.7 stands for an amino or methyl group or a chlorine atom.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: April 2, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tatsuya Mori, Tadashi Ohsumi, Shigeo Nakamura, Kiyoto Maeda, Sumio Nishida, Hirotaka Takano
  • Patent number: 4980345
    Abstract: There are disclosed a pyrazole compound represented by the formula, ##STR1## wherein the substituents of R.sub.1 to R.sub.7 and the sumbol Z have the specified meanings as described in the text, an insecticidal, acaricidal and fungicidal composition containing the same, use of said composition for control of insects, acarids and fungi and a method of preparing said compound, and its intermediate.
    Type: Grant
    Filed: September 21, 1989
    Date of Patent: December 25, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Naoto Meki, Kazue Nishida, Tomotoshi Imahase, Hiroaki Fujimoto, Kenichi Mikitani, Hirotaka Takano, Yoriko Ogasawara, Masahiro Iamaki
  • Patent number: 4946867
    Abstract: A cyanoacetamide derivative of the formula, ##STR1## wherein R represents a C.sub.2 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl or C.sub.3 -C.sub.6 cycloalky group, and X represents a chlorine or bromide atom or a trifluoromethyl or lower fluoroalkoxy group and a plant disease protectant comprising the same are disclosed. The cyanoacetamide derivative provided according to the present invention has an extremely high controlling activity against various plant diseases, particularly against rice blast (Pyricularia oryzae).
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: August 7, 1990
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Akio Manabe, Masato Mizutani, Kiyoto Maeda, Tadashi Ooishi, Hirotaka Takano, Osamu Kirino, deceased