Patents by Inventor Kazunori Kanamori
Kazunori Kanamori 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: 11923670Abstract: An arc detection device includes: a low-impedance circuit connected between a node on wiring connecting the positive electrode of a DC/DC converter and a plurality of DC/DC converters, extending from the positive electrode of the DC/DC converter, and branching toward the plurality of DC/DC converters and a node on wiring connecting the negative electrode of the DC/DC converter and the plurality of DC/DC converters, extending from the negative electrode of the DC/DC converter, and branching toward the plurality of DC/DC converters; an electric current detector that detects an electric current flowing through the low-impedance circuit; and an arc determiner that determines, on the basis of the electric current detected by the electric current detector whether an electric arc has occurred.Type: GrantFiled: March 3, 2021Date of Patent: March 5, 2024Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tatsuo Koga, Kazunori Kidera, Keita Kanamori
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Publication number: 20240072528Abstract: An arc detection device that detects an arc fault that occurs in a transmission line connecting a DC power supply that generates DC power and a power converter that converts the DC power to AC power, includes: a first determination unit that determines whether or not there is a possibility of an arc fault occurrence according to current flowing in the transmission line; a shutoff unit that temporarily stops the flow of current in the transmission line when the first determination unit determines there is a possibility of an arc fault occurrence; and a second determination unit that determines whether or not an arc fault has occurred according to an input voltage, of the power converter supplied from the DC power supply, after lifting temporary stoppage of the flow of current in the transmission line.Type: ApplicationFiled: February 5, 2021Publication date: February 29, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tatsuo KOGA, Keita KANAMORI, Kazunori KIDERA, Yoshio MITSUTAKE
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Patent number: 8221625Abstract: The filter device 10 according to the present invention is a device for filtering a polyolefin resin composition containing a polyolefin ingredient, wherein the device comprises a main body 10a having a flow passage 10b, a sintered metal filter 13 having a filtration accuracy of 1 to 100 ?m, a wire netting 14a having a line diameter of 0.01 to 0.25 mm and abutting the sintered metal filter 13 on one side thereof, and a supporting member 15 having a thickness of 10 to 100 mm and having a plurality of openings 15d with an aperture ratio of 30 to 60%; and the sintered metal filter 13, wherein the wire netting 14a and the supporting member 15 are disposed in this order from the upstream to the downstream of the flow passage 10b; and the sintered metal filter 13 is fixed to the main body 10a through the seal member 18.Type: GrantFiled: July 22, 2009Date of Patent: July 17, 2012Assignee: Sumitomo Chemical Company, LimitedInventor: Kazunori Kanamori
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Patent number: 8193284Abstract: The process for producing a polyolefin resin composition according to the present invention has a mixing step of melt-kneading a plurality of polyolefin ingredients having intrinsic viscosities different from each other to prepare a mixed fluid; and a filtering step of introducing the mixed fluid into a filter device having a main body section having a flow passage through which the mixed fluid is transferred and a sintered metal filter disposed in the flow passage of the main body section of the device and forcing the mixed fluid to pass through the sintered metal filter so that the filtration rate of the mixed fluid will be in a prescribed range. The sintered metal filter is fixed to the main body section of the device while keeping a section where the edge of the sintered metal filter abuts with the main body section of the device hermetically sealed in the above filter device.Type: GrantFiled: July 24, 2008Date of Patent: June 5, 2012Assignee: Sumitomo Chemical Company, LimitedInventor: Kazunori Kanamori
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Publication number: 20110184122Abstract: The process for producing a polyolefin resin composition according to the present invention has a mixing step of melt-kneading a plurality of polyolefin ingredients having intrinsic viscosities different from each other to prepare a mixed fluid; and a filtering step of introducing the mixed fluid into a filter device having a main body section having a flow passage through which the mixed fluid is transferred and a sintered metal filter disposed in the flow passage of the main body section of the device and forcing the mixed fluid to pass through the sintered metal filter so that the filtration rate of the mixed fluid will be in a prescribed range. The sintered metal filter is fixed to the main body section of the device while keeping a section where the edge of the sintered metal filter abuts with the main body section of the device hermetically sealed in the above filter device.Type: ApplicationFiled: July 24, 2008Publication date: July 28, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Kazunori Kanamori
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Publication number: 20100022735Abstract: The filter device 10 according to the present invention is a device for filtering a polyolefin resin composition containing a polyolefin ingredient, wherein the device comprises a main body 10a having a flow passage 10b, a sintered metal filter 13 having a filtration accuracy of 1 to 100 ?m, a wire netting 14a having a line diameter of 0.01 to 0.25 mm and abutting the sintered metal filter 13 on one side thereof, and a supporting member 15 having a thickness of 10 to 100 mm and having a plurality of openings 15d with an aperture ratio of 30 to 60%; and the sintered metal filter 13, wherein the wire netting 14a and the supporting member 15 are disposed in this order from the upstream to the downstream of the flow passage 10b; and the sintered metal filter 13 is fixed to the main body 10a through the seal member 18.Type: ApplicationFiled: July 22, 2009Publication date: January 28, 2010Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Kazunori KANAMORI
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Patent number: 6593003Abstract: A polypropylene resin composition comprising 100 parts by weight of a polypropylene resin (A) having a die swell ratio of less than about 1.70 and about 0.01 to about 45 parts by weight of a polypropylene resin (B) having a die swell ratio of about 1.80 or more. A T die film is also provided, composing polypropylene wherein the film has a molecular weight distribution of about 4.2 or less and a die swell ratio of 1.28 or more. A method of producing a T die film is also provided, comprising the steps of melt-kneading polypropylene by an extruder, extruding the melted product through a die lip, and cool-solidifying the extruded material by a cooling roll to form a film. The film resulting by this method has a molecular weight distribution about of 4.2 or less and a die swell ratio of about 1.28 or more. Further, the present invention provides a laminated molded body comprising a heat molded body composed of a polypropylene resin composition containing 100 parts by weight of polypropylene resin (A), about 0.Type: GrantFiled: October 29, 2002Date of Patent: July 15, 2003Assignee: Sumitomo Chemical Company, LimitedInventors: Kazunori Kanamori, Shigeki Kishiro
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Publication number: 20030105238Abstract: A polypropylene resin composition comprising 100 parts by weight of a polypropylene resin (A) having a die swell ratio of less than about 1.70 and about 0.01 to about 45 parts by weight of a polypropylene resin (B) having a die swell ratio of about 1.80 or more. A T die film is also provided, composing polypropylene wherein the film has a molecular weight distribution of about 4.2 or less and a die swell ratio of 1.28 or more. A method of producing a T die film is also provided, comprising the steps of melt-kneading polypropylene by an extruder, extruding the melted product through a die lip, and cool-solidifying the extruded material by a cooling roll to form a film. The film resulting by this method has a molecular weight distribution about of 4.2 or less and a die swell ratio of about 1.28 or more. Further, the present invention provides a laminated molded body comprising a heat molded body composed of a polypropylene resin composition containing 100 parts by weight of polypropylene resin (A), about 0.Type: ApplicationFiled: October 29, 2002Publication date: June 5, 2003Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazunori Kanamori, Shigeki Kishiro, Kenichi Higashi, Koichi Yanase
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Patent number: 6512050Abstract: A polypropylene resin composition comprising 100 parts by weight of a polypropylene resin (A) having a die swell ratio of less than about 1.70 and about 0.01 to about 45 parts by weight of a polypropylene resin (B) having a die swell ratio of about 1.80 or more. A T die film is also provided, composing polypropylene wherein the film has a molecular weight distribution of about 4.2 or less and a die swell ratio of 1.28 or more. A method of producing a T die film is also provided, comprising the steps of melt-kneading polypropylene by an extruder, extruding the melted product through a die lip, and cool-solidifying the extruded material by a cooling roll to form a film. The film resulting by this method has a molecular weight distribution about of 4.2 or less and a die swell ratio of about 1.28 or more. Further, the present invention provides a laminated molded body comprising a heat molded body composed of a polypropylene resin composition containing 100 parts by weight of polypropylene resin (A), about 0.Type: GrantFiled: June 28, 2001Date of Patent: January 28, 2003Assignee: Sumitomo Chemical Company, LimitedInventors: Kazunori Kanamori, Shigeki Kishiro
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Publication number: 20020177677Abstract: Ethylene polymer for cast film processing at about 210 to 350° C. having a slip velocity at metal wall of not less than about 30 mm/sec, wherein polymer is obtained by polymerization using a metallocene catalyst; a resin composition for cast film processing at about 210 to 350° C.Type: ApplicationFiled: March 29, 2002Publication date: November 28, 2002Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazunori Kanamori, Kenzo Chikanari, Tatsuhiro Nagamatsu
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Publication number: 20020032283Abstract: A polypropylene resin composition comprising 100 parts by weight of a polypropylene resin (A) having a die swell ratio of less than about 1.70 and about 0.01 to about 45 parts by weight of a polypropylene resin (B) having a die swell ratio of about 1.80 or more. A T die film is also provided, composing polypropylene wherein the film has a molecular weight distribution of about 4.2 or less and a die swell ratio of 1.28 or more. A method of producing a T die film is also provided, comprising the steps of melt-kneading polypropylene by an extruder, extruding the melted product through a die lip, and cool-solidifying the extruded material by a cooling roll to form a film. The film resulting by this method has a molecular weight distribution about of 4.2 or less and a die swell ratio of about 1.28 or more. Further, the present invention provides a laminated molded body comprising a heat molded body composed of a polypropylene resin composition containing 100 parts by weight of polypropylene resin (A), about 0.Type: ApplicationFiled: June 28, 2001Publication date: March 14, 2002Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazunori Kanamori, Shigeki Kishiro, Kenichi Higashi, Koichi Yanase