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).
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Patent number: 11970609Abstract: 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: GrantFiled: July 25, 2019Date of Patent: April 30, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroki Oozeki, Hirotaka Takano, Takuto Kosai
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Publication number: 20230151223Abstract: 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: ApplicationFiled: March 9, 2021Publication date: May 18, 2023Applicants: SEKISUI CHEMICAL CO., LTD., JAPAN POLYETHYLENE CORPORATIONInventors: Tomoki YAMADA, Hirotsugu YOSHIDA, Hirotaka TAKANO, Tetsuya YOSHIKIYO, Tomoki HIRAMOTO
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Publication number: 20220145071Abstract: 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: ApplicationFiled: January 9, 2020Publication date: May 12, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroki OOZEKI, Hirotaka TAKANO, Takuto KOSAI
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Publication number: 20210317303Abstract: 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: ApplicationFiled: July 25, 2019Publication date: October 14, 2021Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroki OOZEKI, Hirotaka TAKANO, Takuto KOSAI
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Patent number: 6214835Abstract: 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: GrantFiled: June 2, 1999Date of Patent: April 10, 2001Assignee: Sumitomo Chemical Company, LimitedInventors: Sanshiro Matsuo, Taro Hirose, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Kazunori Tsushima, Shigeru Saito, Hirotaka Takano
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Dihalopropene compounds, their use as insecticides/acaricides and intermediates for their production
Patent number: 6140274Abstract: 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: GrantFiled: June 12, 1998Date of Patent: October 31, 2000Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroshi Ikegami, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Hirotaka Takano -
Patent number: 6028100Abstract: 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: GrantFiled: September 16, 1998Date of Patent: February 22, 2000Assignee: Sumitomo Chemical Company, LimitedInventors: Sanshiro Matsuo, Taro Hirose, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Kazunori Tsushima, Shigeru Saito, Hirotaka Takano
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Patent number: 5952386Abstract: 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: GrantFiled: September 24, 1997Date of Patent: September 14, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Sanshiro Matsuo, Taro Hirose, Keiichi Izumi, Masaya Suzuki, Noriyasu Sakamoto, Kazunori Tsushima, Shigeru Saito, Hirotaka Takano
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Patent number: 5869687Abstract: 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: GrantFiled: March 25, 1998Date of Patent: February 9, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Junichi Sato, Tadashi Ohsumi, Hiroko Yamazaki, Norio Kimura, Hirotaka Takano, Makoto Fujimura, Noriko Ohsawa
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Patent number: 5869506Abstract: 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: GrantFiled: January 30, 1997Date of Patent: February 9, 1999Assignee: Sumitomo Chemical Company, LimitedInventors: Keiichi Izumi, Hiroshi Ikegami, Masaya Suzuki, Noriyasu Sakamoto, Hirotaka Takano
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Patent number: 5763475Abstract: 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: GrantFiled: November 4, 1996Date of Patent: June 9, 1998Assignee: Sumitomo Chemical Co., Ltd.Inventors: Junichi Sato, Tadashi Ohsumi, Hiroko Yamazaki, Norio Kimura, Hirotaka Takano, Makoto Fujimura, Noriko Ohsawa
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Patent number: 5756522Abstract: 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: GrantFiled: December 20, 1996Date of Patent: May 26, 1998Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroki Tomioka, Takashi Furukawa, Yoji Takada, Hirotaka Takano
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Patent number: 5462961Abstract: 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: GrantFiled: August 5, 1991Date of Patent: October 31, 1995Assignee: Sumitomo Chemical Company, LimitedInventors: Naoto Meki, Tomotoshi Imahase, Kazue Nishida, Hiroaki Fujimoto, Kenichi Mikitani, Hirotaka Takano, Yoriko Ogasawara, Masahiro Tamaki
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Patent number: 5322845Abstract: 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: GrantFiled: October 1, 1992Date of Patent: June 21, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Tsuguhiro Katoh, Atsuo Mizuguchi, Hirotaka Takano
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Patent number: 5236924Abstract: 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: GrantFiled: June 30, 1992Date of Patent: August 17, 1993Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tsuguihiro Katoh, Hirotaka Takano, Hiroaki Fujimoto, Hirosi Kisida
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Patent number: 5049575Abstract: 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: GrantFiled: November 3, 1989Date of Patent: September 17, 1991Assignee: Sumitomo Chemical CompanyInventors: Tadashi Ohsumi, Tatsuya Mori, Sumio Nishida, Shigeo Nakamura, Kiyoto Maeda, Hirotaka Takano
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Patent number: 5028714Abstract: 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: GrantFiled: October 12, 1990Date of Patent: July 2, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Naoto Meki, Kazue Nishida, Tomotoshi Imahase, Hiroaki Fujimoto, Kenichi Mikitani, Hirotaka Takano, Yoriko Ogasawara, Masahiro Tamaki
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Patent number: 5004816Abstract: 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: GrantFiled: July 20, 1989Date of Patent: April 2, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuya Mori, Tadashi Ohsumi, Shigeo Nakamura, Kiyoto Maeda, Sumio Nishida, Hirotaka Takano
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Patent number: 4980345Abstract: 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: GrantFiled: September 21, 1989Date of Patent: December 25, 1990Assignee: Sumitomo Chemical Company, LimitedInventors: Naoto Meki, Kazue Nishida, Tomotoshi Imahase, Hiroaki Fujimoto, Kenichi Mikitani, Hirotaka Takano, Yoriko Ogasawara, Masahiro Iamaki
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Patent number: 4946867Abstract: 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: GrantFiled: August 22, 1988Date of Patent: August 7, 1990Assignee: Sumitomo Chemical Company, LimitedInventors: Akio Manabe, Masato Mizutani, Kiyoto Maeda, Tadashi Ooishi, Hirotaka Takano, Osamu Kirino, deceased