Patents by Inventor Yuya Homma

Yuya Homma 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).

  • Publication number: 20200216714
    Abstract: A resin composition comprises a base resin containing an urethane (meth)acrylate oligomer, a monomer having a phenoxy group, and a photopolymerization initiator, and hydrophobic inorganic oxide particles, wherein the viscosity is 300 mPa·s or more and 4200 mPa·s or less at 45° C. and the content of the monomer having a phenoxy group is 1% by mass or more and 30% by mass or less based on the total amount of the base resin.
    Type: Application
    Filed: April 2, 2019
    Publication date: July 9, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Katsushi HAMAKUBO, Yuya HOMMA
  • Patent number: 10636185
    Abstract: There is provided an information processing apparatus to present, to a user, an additional image, which is a virtual object, in a manner superimposed on a real-space image at a position corresponding to a viewpoint in the real space, the image processing apparatus including a processing unit configured to display an additional image corresponding to a viewpoint of a user in the real world, and guide the user to the vicinity of the viewpoint in the real world where the additional image has been acquired.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: April 28, 2020
    Assignee: SONY CORPORATION
    Inventors: Jianing Wu, Masaki Fukuchi, Akihiko Kaino, Tatsuki Kashitani, Shunichi Homma, Shinichiro Abe, Yuya Hanai, Takaaki Kato
  • Patent number: 10509161
    Abstract: An optical fiber includes an optical transmission medium comprising a core and a cladding; a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium; and a secondary resin layer coating the primary resin layer, and 1.1 ppm or less of a phosphorus compound and 2.5% by mass or less of a phenol compound based on the total amount of the primary resin layer are contained in the primary resin layer.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: December 17, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kensaku Shimada, Kazuyuki Sohma, Yuya Homma
  • Patent number: 10358577
    Abstract: In an ultraviolet-curable resin composition for an optical fiber coating, the polarity parameter ET(30) of the resin composition is 47 to 61.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: July 23, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya Homma, Kazuyuki Sohma, Kensaku Shimada
  • Publication number: 20190127605
    Abstract: In an ultraviolet-curable resin composition for an optical fiber coating, the polarity parameter ET(30) of the resin composition is 47 to 61.
    Type: Application
    Filed: October 25, 2018
    Publication date: May 2, 2019
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya HOMMA, Kazuyuki SOHMA, Kensaku SHIMADA
  • Publication number: 20190064433
    Abstract: An optical fiber comprising: a glass fiber including a core and a cladding; and a coating layer coating an outer periphery of the glass fiber; wherein the coating layer includes a primary coating layer and a secondary coating layer, and a hardness at a depth of 200 nm from a surface of the secondary coating layer, HIT-200 nm, is 0.02 to 0.20 GPa as measured with a nano indenter.
    Type: Application
    Filed: August 23, 2018
    Publication date: February 28, 2019
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya HOMMA, Kazuyuki SOHMA, Kensaku SHIMADA
  • Publication number: 20190064434
    Abstract: An optical fiber includes an optical transmission medium comprising a core and a cladding; a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium; and a secondary resin layer coating the primary resin layer, and 1.1 ppm or less of a phosphorus compound and 2.5% by mass or less of a phenol compound based on the total amount of the primary resin layer are contained in the primary resin layer.
    Type: Application
    Filed: August 23, 2018
    Publication date: February 28, 2019
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kensaku SHIMADA, Kazuyuki SOHMA, Yuya HOMMA
  • Patent number: 10162108
    Abstract: An optical fiber includes an optical transmission medium having a core and a cladding, a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium, and a secondary resin layer coating the primary resin layer, wherein a Young's modulus of the primary resin layer is 0.5 MPa or less at 23° C., and the primary resin layer comprises a cured product of an ultraviolet light curable resin composition containing a urethane (meth)acrylate oligomer, a monomer, a photopolymerization initiator and a ?-diketone compound, and tin.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: December 25, 2018
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya Homma, Kazuyuki Sohma, Kensaku Shimada
  • Patent number: 10048436
    Abstract: An optical fiber includes an optical transmission medium having a core and a cladding; a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium; and a secondary resin layer coating the primary resin layer, wherein the primary resin layer comprises a cured product of an ultraviolet light curable resin composition comprising a urethane (meth)acrylate oligomer, a monomer and a photopolymerization initiator, and a compound containing phosphorus and tin as constituent atoms; and a Young's modulus of the primary resin layer is 0.5 MPa or less at 23° C.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: August 14, 2018
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya Homma, Kazuyuki Sohma, Kensaku Shimada
  • Publication number: 20180128970
    Abstract: An optical fiber includes an optical transmission medium having a core and a cladding; a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium; and a secondary resin layer coating the primary resin layer, wherein the primary resin layer comprises a cured product of an ultraviolet light curable resin composition comprising a urethane (meth)acrylate oligomer, a monomer and a photopolymerization initiator, and a compound containing phosphorus and tin as constituent atoms; and a Young's modulus of the primary resin layer is 0.5 MPa or less at 23° C.
    Type: Application
    Filed: November 8, 2017
    Publication date: May 10, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya HOMMA, Kazuyuki SOHMA, Kensaku SHIMADA
  • Publication number: 20180105462
    Abstract: A manufacturing method of an optical fiber includes forming an optical fiber by forming a plurality of resin-coating layers around a glass fiber including a core part and a cladding part, and forming a marking on an outermost layer, which is a colored layer having pigment, of the plurality of resin-coating layers by melting or scorching a surface of the outermost layer with a laser.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 19, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kensaku SHIMADA, Kazuyuki SOHMA, Yuya HOMMA
  • Publication number: 20180095221
    Abstract: An optical fiber includes an optical transmission medium having a core and a cladding, a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium, and a secondary resin layer coating the primary resin layer, wherein a Young's modulus of the primary resin layer is 0.5 MPa or less at 23° C., and the primary resin layer comprises a cured product of an ultraviolet light curable resin composition containing a urethane (meth)acrylate oligomer, a monomer, a photopolymerization initiator and a ?-diketone compound, and tin.
    Type: Application
    Filed: September 27, 2017
    Publication date: April 5, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya HOMMA, Kazuyuki SOHMA, Kensaku SHIMADA
  • Patent number: 9829625
    Abstract: An optical fiber comprises a glass fiber which comprises a core and a cladding, a primary resin coating layer which covers the periphery of the glass fiber, and a secondary resin coating layer which covers the periphery of the primary resin coating layer. The glass fiber is a multimode fiber having a core diameter of 40-60 ?m and a cladding diameter of 90-110 ?m, and the primary resin coating layer is a layer formed by curing a curable resin composition which comprises oligomers, monomers, and a reaction initiator, the curable resin composition containing a one-end-capped oligomer in an amount of 30% by mass or larger based on all the oligomers.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: November 28, 2017
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Yuya Homma
  • Patent number: 9766397
    Abstract: An optical fiber comprises a glass fiber including a core and a cladding surrounding the core, a non-strippable resin layer that adheres to and covers a surface of the glass fiber, and a buffer layer that covers the non-strippable resin layer, when pullout force measurement in which a length of 10 mm of each of the glass fiber and the non-strippable resin layer is pulled out at a tensile speed of 5 mm/min from the buffer layer is performed, a pullout force at 23° C. is 1.0 kg or less and a pullout force at 95° C. is 0.50 kg or less.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: September 19, 2017
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Yuya Homma
  • Publication number: 20170003446
    Abstract: An optical fiber comprises a glass fiber which comprises a core and a cladding, a primary resin coating layer which covers the periphery of the glass fiber, and a secondary resin coating layer which covers the periphery of the primary resin coating layer. The glass fiber is a multimode fiber having a core diameter of 40-60 ?m and a cladding diameter of 90-110 ?m, and the primary resin coating layer is a layer formed by curing a curable resin composition which comprises oligomers, monomers, and a reaction initiator, the curable resin composition containing a one-end-capped oligomer in an amount of 30% by mass or larger based on all the oligomers.
    Type: Application
    Filed: May 2, 2016
    Publication date: January 5, 2017
    Inventor: Yuya HOMMA
  • Publication number: 20160377802
    Abstract: An optical fiber comprises a glass fiber including a core and a cladding surrounding the core, a non-strippable resin layer that adheres to and covers a surface of the glass fiber, and a buffer layer that covers the non-strippable resin layer, when pullout force measurement in which a length of 10 mm of each of the glass fiber and the non-strippable resin layer is pulled out at a tensile speed of 5 mm/min from the buffer layer is performed, a pullout force at 23° C. is 1.0 kg or less and a pullout force at 95° C. is 0.50 kg or less.
    Type: Application
    Filed: June 21, 2016
    Publication date: December 29, 2016
    Inventor: Yuya HOMMA
  • Patent number: 9285536
    Abstract: An optical fiber comprises a glass portion comprising a core and a cladding surrounding the core, and, a resin portion comprising a non-removable resin layer tightly covering the glass portion and comprising an ultraviolet curing resin and a buffer layer covering the non-removable resin layer and comprising an ultraviolet curing resin. A diameter of the core falls within a range from 20 ?m or larger to 80 ?m or smaller, and an outer diameter of the non-removable resin layer falls within a range from 120 ?m or larger to 127 ?m or smaller. In this optical fiber, when flexural rigidity of the glass portion is EI(g) and flexural rigidity of the resin portion is EI(r), EI(g)?EI(r) is satisfied.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: March 15, 2016
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya Homma, Itaru Sakabe
  • Patent number: 9256041
    Abstract: An optical fiber cable comprises a plurality of optical fibers, tensile strength fibers that accommodate the plurality of optical fibers, and a sheath formed with a thermoplastic resin and covering the tensile strength resin. In this optical fiber cable, when a Young's modulus of the sheath at 0° C. is E [MPa], a cross-sectional area of the optical fiber cable is S [mm2] and an inner diameter of the sheath of the optical fiber cable is Di [mm], ES (0° C.) [N] which is the product of the Young's modulus E at 0° C. and the cross-sectional area S, and the inner diameter Di [mm] satisfy: ES ? ( 0 ? ° ? ? C .
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: February 9, 2016
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuya Homma, Itaru Sakabe
  • Patent number: 9250387
    Abstract: The present invention relates to an optical fiber and an optical cable which can be used for a long term even under environments in which an oil content migrates into them, and the optical fiber has a glass fiber extending along a predetermined axis, and a coating. The coating is composed of a plurality of layers each of which is comprised of an ultraviolet curable resin or a thermosetting resin, and swelling rates of the respective coating layers are set so that they increase from an outer peripheral surface of the glass fiber to an outer peripheral surface of the cable jacket.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: February 2, 2016
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Itaru Sakabe, Yuya Homma
  • Patent number: 9229159
    Abstract: An optical fiber 1 comprising a core layer 2 composed of a silica based glass, a clad layer 3 formed on the outer circumference of the core layer 2 by curing a curable resin composition, and an ink layer 4 formed around the clad layer 3, wherein adhesive force between the core layer 2 and the clad layer 3 being from 1.5 g/mm to 4.0 g/mm.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: January 5, 2016
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kazuyuki Sohma, Yuya Homma, Itaru Sakabe