Patents by Inventor Takeshi Komuro
Takeshi Komuro 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: 11634535Abstract: Provided is a polymer compound having a furan ring having a degree of polymerization of 185 or more and 600 or less. This polymer compound has excellent mechanical strength (flexural strength).Type: GrantFiled: July 6, 2015Date of Patent: April 25, 2023Assignee: Canon Kabushiki KaishaInventors: Katsuhiro Matsuda, Hirohide Matsuhisa, Hitoshi Horie, Takeshi Komuro
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Patent number: 10619029Abstract: The present invention provides a flame retardant composition including a flame retardant that is extracted from a plant and can exhibit high flame retardancy. The flame retardant composition includes a flame retardant compound represented by Formula (1) and polybutylene terephthalate. The content of the flame retardant compound is 12% by weight or more and 15% by weight or less based on the total weight of the flame retardant compound and the polybutylene terephthalate. In Formula (1), R1 to R3 represent substituents.Type: GrantFiled: November 12, 2014Date of Patent: April 14, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
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Patent number: 10604638Abstract: Provided is a flame retardant composition containing a flame retardant compound and a polymer containing styrene or aromatic polyester represented by General Formula (1) where R1 to R3 in General Formula (1) represent substituents.Type: GrantFiled: November 14, 2014Date of Patent: March 31, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
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Publication number: 20180051169Abstract: Provided is a resin composition, including: a polycarbonate resin; a biomass resin having a hydroxy group; a rubber having a siloxane bond and having a functional group reactive with a hydroxy group; a flame retardant; and a drip preventing agent, in which: when a total of all the components is defined as 100 mass %, contents of the components are: biomass resin having a hydroxy group: 5 mass % or more to 25 mass % or less, the rubber having a siloxane bond and having a functional group reactive with a hydroxy group: 1 mass % or more to 9 mass % or less, the flame retardant: 3 mass % or more to 20 mass % or less, and the drip preventing agent: 0.1 mass % or more to 5 mass % or less; and a mass ratio of the biomass resin having a hydroxy group to the polycarbonate resin is 0.35 or less.Type: ApplicationFiled: March 30, 2016Publication date: February 22, 2018Inventors: Takeshi Komuro, Atsushi Fuseya
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Publication number: 20170158841Abstract: The present invention provides a flame retardant composition including a flame retardant that is extracted from a plant and can exhibit high flame retardancy. The flame retardant composition includes a flame retardant compound represented by Formula (1) and polybutylene terephthalate. The content of the flame retardant compound is 12% by weight or more and 15% by weight or less based on the total weight of the flame retardant compound and the polybutylene terephthalate. In Formula (1), R1 to R3 represent substituents.Type: ApplicationFiled: November 12, 2014Publication date: June 8, 2017Applicants: CANON KABUSHIKI KAISHA, CANON KABUSHIKI KAISHAInventors: Katsuhiro MATSUDA, Toshinari MIURA, Takeshi KOMURO
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Patent number: 9657171Abstract: A flame retardant composition contains the flame retardant described in Claim 1, aromatic polyester, a styrene polymer, rubber having a siloxane bond, and a fluorine compound.Type: GrantFiled: May 13, 2014Date of Patent: May 23, 2017Assignee: Canon Kabushiki KaishaInventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
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Publication number: 20160369093Abstract: The present invention provides a flame retardant composition including a thermoplastic resin, a cellulose, a rubber having a siloxane bond, and a flame retardant agent.Type: ApplicationFiled: June 19, 2014Publication date: December 22, 2016Inventors: Takeshi Komuro, Katsuhiro Matsuda, Toshinari Miura
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Publication number: 20160289425Abstract: Provided is a flame retardant composition containing a flame retardant compound and a polymer containing styrene or aromatic polyester represented by General Formula (1) where R1 to R3 in General Formula (1) represent substituents.Type: ApplicationFiled: November 14, 2014Publication date: October 6, 2016Applicant: CANON KABUSHIKI KAISHAInventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
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Patent number: 9382380Abstract: The present invention provides a chemical sealing film which has high chemical resistance and high breaking strength and which does not contain chlorine. The present invention relates to a chemical sealing film containing an organic compound represented by general formula (1) shown in Claim 1. In general formula (1), R is a linear alkylene group having carbon atoms of 5 or more and 10 or less and n is an integer of 10 or more and 480 or less.Type: GrantFiled: December 26, 2012Date of Patent: July 5, 2016Assignee: Canon Kabushiki KaishaInventors: Toshinari Miura, Katsuhiro Matsuda, Takeshi Komuro, Kie Yutaka
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Publication number: 20160083579Abstract: A flame retardant composition contains the flame retardant described in Claim 1, aromatic polyester, a styrene polymer, rubber having a siloxane bond, and a fluorine compound.Type: ApplicationFiled: May 13, 2014Publication date: March 24, 2016Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
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Publication number: 20160068553Abstract: To provide a compound which can demonstrate flame retardancy equal to or higher than V-1 of the UL94 standard by adding a flame retardant to resin containing aromatic polyester and styrene polymer. To provide a compound represented by General Formula (1) of Claim 1. In General Formula (1), R1 to R3 are alkyl groups having 1 to 4 carbon atoms and R1 to R3 may be the same or different from each other.Type: ApplicationFiled: April 14, 2014Publication date: March 10, 2016Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
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Publication number: 20160002395Abstract: Provided is a polymer compound having a furan ring having a degree of polymerization of 185 or more and 600 or less. This polymer compound has excellent mechanical strength (flexural strength).Type: ApplicationFiled: July 6, 2015Publication date: January 7, 2016Inventors: Katsuhiro Matsuda, Hirohide Matsuhisa, Hitoshi Horie, Takeshi Komuro
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Patent number: 9119311Abstract: An electronic device includes a housing including an opening-portion and an annular-projection provided in the vicinity of the opening-portion from the housing, the annular-projection projecting so as to surround a periphery of the opening-portion, a frame member including a tubular-portion having an outer surface that faces the annular-projection to be fitted with the annular-projection, a top plate exposed from the opening-portion with the tubular-portion fitted with the annular-projection, an extension-portion extending from the outer surface of the tubular-portion, the tubular-portion being expanded toward the annular-projection when a pressing force is applied to a surface of the top plate exposed from the opening-portion with the annular-projection and the tubular-portion fitted with each other, and an O-ring that contacts entire peripheries of the outer surface of the tubular-portion and an inner surface of the annular-projection.Type: GrantFiled: December 28, 2012Date of Patent: August 25, 2015Assignee: FUJITSU LIMITEDInventors: Masaki Yamanaka, Hiroshi Kubo, Takeshi Komuro, Manabu Hongo, Masahiro Fukuhara, Hiroyuki Takita
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Patent number: 8981037Abstract: A polyester resin that includes a furandicarboxylate, has excellent heat resistance, and can be used for producing a molding product. The polyester resin is provided by copolymerizing a diol having an amino group. The polyester resin includes a structural unit represented by formulae formula (1) and a structural unit represented by formula (2) that has an amide bond: where: R1 represents an aromatic hydrocarbon group which may be substituted, or an aliphatic hydrocarbon group which may be substituted; and A represents a furandicarboxylic acid residue of formula (3): wherein the polyester resin contains the structural unit represented by the formula (2) in an amount from 3.8 mol % to 9.7 mol % with respect to a total of the structural units represented by the formulae (1) and (2).Type: GrantFiled: May 26, 2010Date of Patent: March 17, 2015Assignee: Canon Kabushiki KaishaInventors: Shinji Eritate, Toshinari Miura, Takeshi Komuro, Kie Yutaka
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Publication number: 20140371413Abstract: The present invention provides a chemical sealing film which has high chemical resistance and high breaking strength and which does not contain chlorine. The present invention relates to a chemical sealing film containing an organic compound represented by general formula (1) shown in Claim 1. In general formula (1), R is a linear alkylene group having carbon atoms of 5 or more and 10 or less and n is an integer of 10 or more and 480 or less.Type: ApplicationFiled: December 26, 2012Publication date: December 18, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Toshinari Miura, Katsuhiro Matsuda, Takeshi Komuro, Kie Yutaka
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Patent number: 8891237Abstract: A water-resistant cover placed on an electronic device in an attachable/removable manner, and for the water-resistant cover and the circumference of a water-resistant area of the electronic device, a sealing member is provided on the whole circumference in the circumference direction of the water-resistant area on one side, and a contact plane facing the sealing member is formed on the same plane on another side, and the water-resistant cover slides and put on the electronic device in the state in which the sealing member contacts the contact plane and pressed.Type: GrantFiled: June 7, 2011Date of Patent: November 18, 2014Assignee: Fujitsu LimitedInventors: Takao Shinoda, Shingo Yamaguchi, Kohei Choraku, Takeshi Komuro, Manabu Hongo, Hiroaki Sakashita, Hidekatsu Kobayashi
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Publication number: 20140005353Abstract: Provided is a polyamide compound containing a plant-derived component which has high heat resistance and good moldability. The polyamide compound is represented by the following general formula (1) and has a weight-average molecular weight of 5,000 or more and 200,000 or less: in the formula (1), m represents 2 or 3, and each end of the polymer is one of a hydroxyl group and hydrogen.Type: ApplicationFiled: March 1, 2012Publication date: January 2, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Kie Yutaka, Toshinari Miura, Katsuhiro Matsuda, Takeshi Komuro
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Patent number: 8540403Abstract: An illumination device is provided including a light emitter; and a panel. The panel includes a recess configured to accept an optically transparent sealant that is illuminated by light from the light emitter. Moreover, the panel includes a hole in the recess that is sealed by the optically transparent sealant.Type: GrantFiled: September 15, 2010Date of Patent: September 24, 2013Assignee: Fujitsu LimitedInventors: Takeshi Komuro, Manabu Hongo, Wataru Murata
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Patent number: 8488305Abstract: An electronic device has a cap protecting an opening disposed in a case. The cap includes a base portion covering the opening, a leg portion extended from a part of the base portion; an attachment portion having a large diameter surface that has a diameter larger than the diameter of the leg portion and includes a connecting region that connects with the leg portion at the end of the leg portion opposite to the base portion, and a protruding portion protruding from a region other than the connecting region of the large diameter surface of the attachment portion.Type: GrantFiled: July 11, 2011Date of Patent: July 16, 2013Assignee: Fujitsu LimitedInventors: Kurumi Harada, Takashi Suzuki, Kouki Murakami, Takeshi Komuro, Hiroshi Kubo
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Patent number: 8447371Abstract: A mobile terminal device with a first case including a rotation base portion having a first axis of rotation parallel to a side of the first case, a second case openable and closable relative to the first case by rotating the second case about the first axis of rotation, and a supporting portion attached to the second case, wherein the supporting portion includes a rotation portion integral therewith and rotatable relative to the rotation base portion about the first axis of rotation and covers at least a part of the rotation base portion.Type: GrantFiled: August 18, 2011Date of Patent: May 21, 2013Assignee: Fujitsu LimitedInventors: Takashi Suzuki, Takeshi Komuro, Kouki Murakami, Kurumi Harada, Hiroshi Kubo