Patents by Inventor Keiichi Kuramoto

Keiichi Kuramoto 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: 9634167
    Abstract: A solar cell module comprising: a first protective member having a curved surface having a prescribed radius of curvature set in at least a first direction; a first filling material arranged upon the first protective member; a plurality of solar cell strings arranged in the first direction upon the first filling material and connected in parallel to each other; a second filling material arranged upon the solar cell strings; and a second protective member arranged upon the second filling material. The solar cell strings have connected in series a plurality of solar cells that are arranged in a second direction. The solar cells have end cross-sections along at least the first direction that have a waveform shape.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: April 25, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yousuke Ishii, Keiichi Kuramoto
  • Publication number: 20150318422
    Abstract: A solar cell module comprising: a first protective member having a curved surface having a prescribed radius of curvature set in at least a first direction; a first filling material arranged upon the first protective member; a plurality of solar cell strings arranged in the first direction upon the first filling material and connected in parallel to each other; a second filling material arranged upon the solar cell strings; and a second protective member arranged upon the second filling material. The solar cell strings have connected in series a plurality of solar cells that are arranged in a second direction. The solar cells have end cross-sections along at least the first direction that have a waveform shape.
    Type: Application
    Filed: July 10, 2015
    Publication date: November 5, 2015
    Inventors: Yousuke ISHII, Keiichi KURAMOTO
  • Publication number: 20140305485
    Abstract: A solar cell module for in-vehicle use includes a first terminal, a second terminal, solar cell units, and a diode. Solar cell units are electrically connected in parallel between the first terminal and the second terminal and each includes solar cells electrically connected in series. A diode is electrically connected between the first terminal and the second terminal in parallel with the solar cell units, and configured to allow a current to substantially flow therethrough when a reverse bias voltage of the solar cell units exceeds a predetermined voltage value.
    Type: Application
    Filed: June 27, 2014
    Publication date: October 16, 2014
    Inventors: Keiichi KURAMOTO, Tetsuya KANEKO, Hiroyuki KANNOU, Hirofumi YANO
  • Publication number: 20140209150
    Abstract: A solar cell module includes solar cells, a wiring member electrically connecting the solar cells, a first protection member provided on a light-receiving-surface side of the solar cells, a second protection member provided on a back-surface side of the solar cells, and a sealing material provided between the first protection member and the second protection member to seal the solar cells therein. The first protection member has a first texture on one of principal surfaces thereof that faces the opposite side of the solar cells. The wiring member has a second texture on one of principal surfaces thereof that faces the first protection member. The first texture and the second texture are provided such that, in a plan view, a normal to a surface of the first texture is not parallel to a normal to a surface of the second texture.
    Type: Application
    Filed: January 28, 2014
    Publication date: July 31, 2014
    Applicants: Panasonic Corporation, SANYO ELECTRIC CO., LTD.
    Inventors: Shuji FUKUMOCHI, Toshiyuki SAKUMA, Takahiro HAGA, Shingo OKAMOTO, Keiichi KURAMOTO, Kenichiro MASE, Yohei TAKECHI
  • Publication number: 20120033695
    Abstract: This semiconductor laser apparatus includes a package constituted by a plurality of members, having sealed space inside and a semiconductor laser chip arranged in the sealed space, while surfaces of the members located in the sealed space are covered with a covering agent made of an ethylene-polyvinyl alcohol copolymer.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 9, 2012
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Nobuhiko HAYASHI, Hideki YOSHIKAWA, Keiichi KURAMOTO, Takenori GOTO, Yoshio OKAYAMA, Seiichi TOKUNAGA
  • Publication number: 20120033696
    Abstract: This semiconductor laser apparatus includes a package having sealed space inside and a semiconductor laser chip arranged in the sealed space. The package has a first member and a second member bonded to each other with an adhesive, a covering agent made of an ethylene-vinyl alcohol copolymer is formed on a bonded region of the first member and the second member in the sealed space, and the adhesive is covered with the covering agent.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 9, 2012
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Nobuhiko HAYASHI, Hideki YOSHIKAWA, Keiichi KURAMOTO
  • Publication number: 20110280266
    Abstract: This semiconductor laser apparatus includes a semiconductor laser chip and a package sealing the semiconductor laser chip. The package has a base portion mounted with the semiconductor laser chip, a sealing member and a window member. The semiconductor laser chip is sealed with the base portion, the sealing member and the window member. At least two of the base portion, the sealing member and the window member are bonded to each other through a sealant made of an ethylene-polyvinyl alcohol copolymer.
    Type: Application
    Filed: May 12, 2011
    Publication date: November 17, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Nobuhiko HAYASHI, Hideki YOSHIKAWA, Keiichi KURAMOTO, Yasuhiko NOMURA, Takenori GOTO, Yoshio OKAYAMA, Seiichi TOKUNAGA
  • Patent number: 7901784
    Abstract: An optical waveguide in which a groove is formed on the top surface of a substrate used as a lower clad and a core is formed in the groove, characterized in that the core is formed in such a way that the top face of the core within the groove is at a lower level than the top face of the substrate, and an upper clad may also be provided on the core, and the core is preferably formed from an organic-inorganic hybrid material.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: March 8, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiichi Kuramoto, Hiroaki Izu, Mitsuaki Matsumoto, Koji Yamano, Hitoshi Hirano, Youhei Nakagawa
  • Patent number: 7887910
    Abstract: A laminated optical element includes an optical substrate made of an optical material, an intermediate layer provided on the optical substrate, and an optical resin layer provided on the intermediate layer. The optical resin layer is made of a resin composed of an organometallic polymer having an -M-O-M- bond (M is a metal atom), a metal alkoxide and/or a hydrolysate thereof having only one hydrolyzable group, and an organic polymer having a urethane bond and a methacryloxy group or an acryloxy group. The intermediate layer is obtained by dispersing metal oxide microparticles in a matrix resin composed of a metal alkoxide having a radical polymerizable group and a hydrolyzable group and/or a hydrolysate thereof.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: February 15, 2011
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiichi Kuramoto, Nobuhiko Hayashi, Hitoshi Hirano, Mitsuaki Matsumoto, Masaya Nakai
  • Patent number: 7825911
    Abstract: A touch sensor includes a contact sensor and a pressure sensor. The contact sensor includes a first electrode and a first switching element connected to the first electrode, and detects a change in an electric potential when an object contacts a surface. The pressure sensor includes a second electrode and a second switching element connected to the second electrode, and detects a change in a pressure when an object depresses the surface. The touch sensor includes a plurality of the contact sensors and a plurality of the pressure sensors disposed regularly in an array.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: November 2, 2010
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Takeshi Sano, Keiichi Kuramoto, Hiroyuki Fujii, Kenichiro Wakisaka
  • Patent number: 7599133
    Abstract: An optical part for a camera comprising a substrate made of a polyolefin plastic and an optical resin layer placed on the substrate, wherein the surface of the substrate is provided with a polar group and the optical resin layer is formed from a resin composition including a fluorene compound having a (meth)acryloyl group.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: October 6, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Masaya Nakai, Mitsuaki Matsumoto, Nobuhiko Hayashi, Keiichi Kuramoto
  • Patent number: 7582358
    Abstract: An organic-inorganic composite forming material which contains an organometallic polymer having an -M-O-M- bond (M denotes a metal atom), an acrylic monomer or oligomer having a hydrophilic group and inorganic particles. Preferably, the organometallic polymer has Si in the place of M and is obtained via hydrolysis and polycondensation of trialkoxysilane having a photo- or thermally-polymerizable group and dialkoxysilane having a phenyl group.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: September 1, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Nobuhiko Hayashi, Mitsuaki Matsumoto, Keiichi Kuramoto, Masaya Nakai
  • Patent number: 7561774
    Abstract: In the optical waveguide which comprises a core layer to be an optical transmission region and an upper clad layer and a lower clad layer covering the surrounding of the core layer and of which the upper clad layer is formed while being shrunk in the volume, a stress moderating layer formed a material with a smaller storage modulus than that of the upper clad layer is formed between the upper clad layer and the lower clad layer in at least a portion of a region where the upper clad layer and the lower clad layer are brought into contact with each other.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: July 14, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiichi Kuramoto, Hiroaki Izu, Mitsuaki Matsumoto, Youhei Nakagawa, Hitoshi Hirano, Nobuhiko Hayashi
  • Patent number: 7529044
    Abstract: An optical element has a marker provided in the form of an optical fault at a predetermined location in the effective optical area thereof for positioning. The optical fault is a marker 1a provided at a specific location on the effective optical area of the optical element 1 preferably in the form of a projection, a recess, a tinted portion, a different refraction portion, an air bubble, or a particle on or in the optical element 1. More preferably, the marker 1a is located at or around the center of the optical element 1 and its area size is not greater than 0.4% of the effective optical area of the lens 1.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: May 5, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Mitsuaki Matsumoto, Keiichi Kuramoto, Nobuhiko Hayashi, Hitoshi Hirano
  • Patent number: 7521725
    Abstract: Disclosed herein is an optical waveguide comprising a core layer to be an optical waveguide region, an upper clad layer covering the core layer and a lower clad layer, characterized in that an ultraviolet control region for preventing ultraviolet light from entering is provided at any one location of under the lower clad layer, on an interface of the lower clad layer and the upper clad layer, and on the upper clad layer. And a method of fabricating this optical waveguide is also disclosed.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: April 21, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Youhei Nakagawa, Nobuhiko Hayashi, Keiichi Kuramoto, Mitsuaki Matsumoto, Hitoshi Hirano
  • Publication number: 20090046379
    Abstract: Disclosed herein is a reliable laminated optical element that is a hybrid optical element obtained by laminating an optical resin layer on an optical substrate such as a glass substrate, the optical resin layer being less likely to be separated from the optical substrate even under high temperature and high humidity conditions. The laminated optical element comprises an optical substrate 1 made of an optical material, an intermediate layer 2 provided on the optical substrate 1, and an optical resin layer 3 provided on the intermediate layer 2. The optical resin layer 3 is made of a resin composed of an organometallic polymer having an -M-O-M- bond (M is a metal atom), a metal alkoxide and/or a hydrolysate thereof having only one hydrolyzable group, and an organic polymer having a urethane bond and a methacryloxy group or an acryloxy group.
    Type: Application
    Filed: May 11, 2006
    Publication date: February 19, 2009
    Inventors: Keiichi Kuramoto, Nobuhiko Hayashi, Hitoshi Hirano, Mitsuaki Matsumoto, Masaya Nakai
  • Patent number: 7483616
    Abstract: Disclosed herein is an optical waveguide comprising a core layer to be an optical transmission region, an upper clad layer and a lower clad layer covering the core layer, in which the core layer, the upper clad layer and the lower clad layer are formed from resin materials, characterized in that a microlens made of a material having a higher refractive index than that of a material constituting said core layer is disposed in the vicinity of an end face of said core layer.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: January 27, 2009
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Nobuhiko Hayashi, Keiichi Kuramoto, Youhei Nakagawa, Mitsuaki Matsumoto, Hitoshi Hirano
  • Patent number: 7457507
    Abstract: An organometallic polymer material is obtained which excels in translucency, shows improved hardness after it is cured and exhibits high reliability at high temperature and high humidity. Characteristically, the organometallic polymer material contains an organometallic polymer having an —M—O—M— bond (M indicates a metal atom), a metal alkoxide having a single hydrolyzable group and/or its hydrolysate and an organic polymer having a urethane bond and a methacryloxy or acryloxy group, and preferably further contains an organic anhydride and/or an organic acid.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: November 25, 2008
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Keiichi Kuramoto, Hitoshi Hirano, Nobuhiko Hayashi, Mitsuaki Matsumoto
  • Publication number: 20080232762
    Abstract: An organometallic polymer material is obtained which excels in translucency, shows improved hardness after it is cured and exhibits high reliability at high temperature and high humidity. Characteristically, the organometallic polymer material contains an organometallic polymer having an -M-O-M- bond (M indicates a metal atom), a metal alkoxide having a single hydrolyzable group and/or its hydrolysate and an organic polymer having a urethane bond and a methacryloxy or acryloxy group, and preferably further contains an organic anhydride and/or an organic acid.
    Type: Application
    Filed: November 30, 2005
    Publication date: September 25, 2008
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Keiichi Kuramoto, Hitoshi Hirano, Nobuhiko Hayashi, Mitsuaki Matsumoto
  • Publication number: 20080233417
    Abstract: The invention provides an optical polymer material having a low viscosity before curing, a high refractive index of a cured product, little alteration of refractive index under high temperature and high humidity, and an excellent heat resistant shock property and an optical component using the optical polymer material. The optical polymer material is characterized in that the material contains a fluorene compound having four (meth) acryloyl groups and a (meth) acrylate having an aryl group and may further contain -M-O-M- bond (M is a metal atom), an organometallic polymer having an aryl group, a monofunctional (meth)acrylate and/or a polyfunctional (meth)acrylate.
    Type: Application
    Filed: March 21, 2008
    Publication date: September 25, 2008
    Applicant: Sanyo Electric Co., Ltd.
    Inventors: Keiichi Kuramoto, Mitsuaki Matsumoto, Masaya Nakai, Nobuhiko Hayashi