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).

  • Patent number: 11634535
    Abstract: 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: Grant
    Filed: July 6, 2015
    Date of Patent: April 25, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhiro Matsuda, Hirohide Matsuhisa, Hitoshi Horie, Takeshi Komuro
  • Patent number: 10619029
    Abstract: 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: Grant
    Filed: November 12, 2014
    Date of Patent: April 14, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
  • Patent number: 10604638
    Abstract: 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: Grant
    Filed: November 14, 2014
    Date of Patent: March 31, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
  • Publication number: 20180051169
    Abstract: 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: Application
    Filed: March 30, 2016
    Publication date: February 22, 2018
    Inventors: Takeshi Komuro, Atsushi Fuseya
  • Publication number: 20170158841
    Abstract: 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: Application
    Filed: November 12, 2014
    Publication date: June 8, 2017
    Applicants: CANON KABUSHIKI KAISHA, CANON KABUSHIKI KAISHA
    Inventors: Katsuhiro MATSUDA, Toshinari MIURA, Takeshi KOMURO
  • Patent number: 9657171
    Abstract: 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: Grant
    Filed: May 13, 2014
    Date of Patent: May 23, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
  • Publication number: 20160369093
    Abstract: 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: Application
    Filed: June 19, 2014
    Publication date: December 22, 2016
    Inventors: Takeshi Komuro, Katsuhiro Matsuda, Toshinari Miura
  • Publication number: 20160289425
    Abstract: 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: Application
    Filed: November 14, 2014
    Publication date: October 6, 2016
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
  • Patent number: 9382380
    Abstract: 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: Grant
    Filed: December 26, 2012
    Date of Patent: July 5, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshinari Miura, Katsuhiro Matsuda, Takeshi Komuro, Kie Yutaka
  • Publication number: 20160083579
    Abstract: 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: Application
    Filed: May 13, 2014
    Publication date: March 24, 2016
    Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
  • Publication number: 20160068553
    Abstract: 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: Application
    Filed: April 14, 2014
    Publication date: March 10, 2016
    Inventors: Katsuhiro Matsuda, Toshinari Miura, Takeshi Komuro
  • Publication number: 20160002395
    Abstract: 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: Application
    Filed: July 6, 2015
    Publication date: January 7, 2016
    Inventors: Katsuhiro Matsuda, Hirohide Matsuhisa, Hitoshi Horie, Takeshi Komuro
  • Patent number: 9119311
    Abstract: 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: Grant
    Filed: December 28, 2012
    Date of Patent: August 25, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Masaki Yamanaka, Hiroshi Kubo, Takeshi Komuro, Manabu Hongo, Masahiro Fukuhara, Hiroyuki Takita
  • Patent number: 8981037
    Abstract: 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: Grant
    Filed: May 26, 2010
    Date of Patent: March 17, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinji Eritate, Toshinari Miura, Takeshi Komuro, Kie Yutaka
  • Publication number: 20140371413
    Abstract: 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: Application
    Filed: December 26, 2012
    Publication date: December 18, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Toshinari Miura, Katsuhiro Matsuda, Takeshi Komuro, Kie Yutaka
  • Patent number: 8891237
    Abstract: 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: Grant
    Filed: June 7, 2011
    Date of Patent: November 18, 2014
    Assignee: Fujitsu Limited
    Inventors: Takao Shinoda, Shingo Yamaguchi, Kohei Choraku, Takeshi Komuro, Manabu Hongo, Hiroaki Sakashita, Hidekatsu Kobayashi
  • Publication number: 20140005353
    Abstract: 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: Application
    Filed: March 1, 2012
    Publication date: January 2, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kie Yutaka, Toshinari Miura, Katsuhiro Matsuda, Takeshi Komuro
  • Patent number: 8540403
    Abstract: 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: Grant
    Filed: September 15, 2010
    Date of Patent: September 24, 2013
    Assignee: Fujitsu Limited
    Inventors: Takeshi Komuro, Manabu Hongo, Wataru Murata
  • Patent number: 8488305
    Abstract: 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: Grant
    Filed: July 11, 2011
    Date of Patent: July 16, 2013
    Assignee: Fujitsu Limited
    Inventors: Kurumi Harada, Takashi Suzuki, Kouki Murakami, Takeshi Komuro, Hiroshi Kubo
  • Patent number: 8447371
    Abstract: 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: Grant
    Filed: August 18, 2011
    Date of Patent: May 21, 2013
    Assignee: Fujitsu Limited
    Inventors: Takashi Suzuki, Takeshi Komuro, Kouki Murakami, Kurumi Harada, Hiroshi Kubo