Patents by Inventor Tomohisa Gotoh

Tomohisa Gotoh 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: 20180285995
    Abstract: The present invention provides an information processing device and the like capable of facilitating confirmation of a claim structure even when the number of claims is large. The information processing device includes subordinate relationship extraction means for extracting a claim number and a subordinate relationship between claims from claim data including a plurality of claims; and relationship diagram generation means for generating, based on the subordinate relationship between claims, a relationship diagram in which the claim number is disposed on or in a periphery of circularly-arranged points or a circling line.
    Type: Application
    Filed: September 23, 2016
    Publication date: October 4, 2018
    Applicant: NEC Patent Service,Ltd.
    Inventors: Tomohisa GOTOH, Yukiko MORIOKA, Hirotaka HOKKYO, Mikio ODA, Yuji NAKAGAWA
  • Patent number: 7811947
    Abstract: The present invention relates to an optical substrate comprising a transparent substrate, a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: October 12, 2010
    Assignee: NEC Corporation
    Inventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
  • Publication number: 20100151608
    Abstract: Disclosed is a method of manufacturing a substrate for an organic EL device, the method comprising the step of: filling grooves of the optical element with sol-gel coating solution or organic metal cracking solution when a diffraction grating 12 is formed on the glass substrate 11, wherein an encapsulation member 5 is mounted to the glass substrate 11 in order to fill the groove 12a with the coating solution, and the coating solution is injected into a gap between the encapsulation member 5 and the diffraction grating 12, so that the organic EL device can be stably manufactured with low variation between optical properties according to positions of the substrate and with improved luminous efficiency.
    Type: Application
    Filed: February 25, 2010
    Publication date: June 17, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Yasuharu ONISHI, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
  • Patent number: 7695757
    Abstract: Disclosed is a method of manufacturing a substrate for an organic EL device, the method comprising the step of: filling grooves of the optical element with sol-gel coating solution or organic metal cracking solution when a diffraction grating 12 is formed on the glass substrate 11, wherein an encapsulation member 5 is mounted to the glass substrate 11 in order to fill the groove 12a with the coating solution, and the coating solution is injected into a gap between the encapsulation member 5 and the diffraction grating 12, so that the organic EL device can be stably manufactured with low variation between optical properties according to positions of the substrate and with improved luminous efficiency.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: April 13, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
  • Patent number: 7638797
    Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: December 29, 2009
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
  • Patent number: 7619357
    Abstract: The present invention relates to an organic electroluminescent device. There is provided an organic electroluminescent device with a good luminescence property and high luminous efficiency in which the organic electroluminescent device has a diffraction grating 2 on the surface of the substrate 1 and an organic EL layer 5 including an emission layer between an anode 4 an a cathode 6 via an intermediate layer 3.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: November 17, 2009
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
  • Publication number: 20080265245
    Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.
    Type: Application
    Filed: May 20, 2008
    Publication date: October 30, 2008
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Tomohisa GOTOH, Noriko TAKEWAKI, Hisanao TSUGE, Atsushi KAMIJO, Satoru TOGUCHI
  • Publication number: 20080220554
    Abstract: The present invention relates to an optical substrate comprising a transparent substrate a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.
    Type: Application
    Filed: March 25, 2008
    Publication date: September 11, 2008
    Applicant: NEC Corporation
    Inventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
  • Patent number: 7391048
    Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a s second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: June 24, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
  • Patent number: 7372075
    Abstract: The present invention relates to an optical substrate comprising a transparent substrate, a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: May 13, 2008
    Assignee: NEC Corporation
    Inventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
  • Patent number: 7345419
    Abstract: The present invention uses a substrate for an optical element comprising a light scattering unit that scatters visible light, and a light transmissive opening that transmits the visible light in a light transparent substrate transmitting the visible light, as a light extraction substrate of the organic electroluminescence element. With this, a substrate for an optical element, an organic electroluminescence element, and an organic electroluminescence display device are provided that improves the light extraction efficiency to outside of the substrate and also improves the light extraction efficiency by obtaining a high luminance organic electroluminescence element.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: March 18, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tomohisa Gotoh, Satoru Toguchi, Atsushi Kamijo, Yasuharu Onishi, Hitoshi Ishikawa, Junichi Yamanari
  • Patent number: 7180235
    Abstract: A first layer having a refractive index higher than that of a light transparent substrate is formed on the light transparent substrate, and a second layer having a refractive index higher than that of the first layer is formed on the first layer, and an electrode layer having a refractive index higher than that of the second layer is formed on the second layer in accordance with the present invention. By means of this configuration, a spherical-wave-shaped wavefront emitted from a point light source of an emission layer of a light-emitting device to all directions, is converted to a plane-wave-shaped wavefront within the substrate, which allows the light to be effectively emitted outside the substrate, so that a light-emitting device substrate having good light extraction efficiency and a light-emitting device using the same may be provided.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: February 20, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
  • Publication number: 20060012901
    Abstract: The present invention relates to an optical substrate comprising a transparent substrate, a low refractive index layer, whose refractive index is lower than that of the transparent substrate, disposed over the transparent substrate, and a solgel film disposed over the low refractive index layer; a light emitting element having a first electrode, a light emitting layer and a second electrode over the solgel film of this optical substrate; and a display device provided with this light emitting element.
    Type: Application
    Filed: June 30, 2005
    Publication date: January 19, 2006
    Applicant: NEC Corporation
    Inventors: Koji Shigemura, Tomohisa Gotoh, Hironori Imura
  • Publication number: 20050077820
    Abstract: The present invention relates to an organic electroluminescent device. There is provided an organic electroluminescent device with a good luminescence property and high luminous efficiency in which the organic electroluminescent device has a diffraction grating 2 on the surface of the substrate 1 and an organic EL layer 5 including an emission layer between an anode 4 an a cathode 6 via an intermediate layer 3.
    Type: Application
    Filed: May 24, 2004
    Publication date: April 14, 2005
    Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
  • Publication number: 20050062399
    Abstract: A first layer having a refractive index higher than that of a light transparent substrate is formed on the light transparent substrate, and a second layer having a refractive index higher than that of the first layer is formed on the first layer, and an electrode layer having a refractive index higher than that of the second layer is formed on the second layer in accordance with the present invention. By means of this configuration, a spherical-wave-shaped wavefront emitted from a point light source of an emission layer of a light-emitting device to all directions, is converted to a plane-wave-shaped wavefront within the substrate, which allows the light to be effectively emitted outside the substrate, so that a light-emitting device substrate having good light extraction efficiency and a light-emitting device using the same may be provided.
    Type: Application
    Filed: August 12, 2004
    Publication date: March 24, 2005
    Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
  • Publication number: 20050051791
    Abstract: Provided is a substrate for a light-emitting device having good light emitting efficiency and light-emitting device using the substrate. A light transparent substrate 10 is layered with a first layer 30 having a refractive index higher than that of the light transparent substrate 10 and a s second layer 40 having a refractive index lower than that of the first layer. The refractive index of the first layer 30 is set to be 1.35 times as high as that of the second layer 40. With this layer structure, in an emitting layer of the light-emitting device, a wave front of a spherical wave form exited from a point light source in the front direction is converted into that of a plane wave form, and exited outside the substrate at a high efficiency.
    Type: Application
    Filed: June 7, 2004
    Publication date: March 10, 2005
    Inventors: Tomohisa Gotoh, Noriko Takewaki, Hisanao Tsuge, Atsushi Kamijo, Satoru Toguchi
  • Publication number: 20050023967
    Abstract: The present invention uses a substrate for an optical element comprising a light scattering unit that scatters visible light, and a light transmissive opening that transmits the visible light in a light transparent substrate transmitting the visible light, as a light extraction substrate of the organic electroluminescence element. With this, a substrate for an optical element, an organic electroluminescence element, and an organic electroluminescence display device are provided that improves the light extraction efficiency to outside of the substrate and also improves the light extraction efficiency by obtaining a high luminance organic electroluminescence element.
    Type: Application
    Filed: July 28, 2004
    Publication date: February 3, 2005
    Inventors: Tomohisa Gotoh, Satoru Toguchi, Atsushi Kamijo, Yasuharu Onishi, Hitoshi Ishikawa, Junichi Yamanari
  • Publication number: 20050008768
    Abstract: Disclosed is a method of manufacturing a substrate for an organic EL device, the method comprising the step of: filling grooves of the optical element with sol-gel coating solution or organic metal cracking solution when a diffraction grating 12 is formed on the glass substrate 11, wherein an encapsulation member 5 is mounted to the glass substrate 11 in order to fill the groove 12a with the coating solution, and the coating solution is injected into a gap between the encapsulation member 5 and the diffraction grating 12, so that the organic EL device can be stably manufactured with low variation between optical properties according to positions of the substrate and with improved luminous efficiency.
    Type: Application
    Filed: May 7, 2004
    Publication date: January 13, 2005
    Inventors: Yasuharu Onishi, Satoru Toguchi, Junichi Yamanari, Hitoshi Ishikawa, Tomohisa Gotoh, Atsushi Kamijo
  • Patent number: 5674576
    Abstract: In a liquid crystalline optical device, a light modulating layer composed of a liquid crystal and a high polymer resin is sandwiched between two substrates having electrode layers, at least one of the substrates being transparent. The polymer is a compound which is obtained by photopolymerization of a prepolymer containing a (meth)acryloyl compound having a stilbene skeleton, or a (meth)acryloyl compound including dioxane group or dioxolane group. The liquid crystalline optical device can be driven with a lower applied voltage and exhibits a reduced hysteresis.
    Type: Grant
    Filed: September 12, 1995
    Date of Patent: October 7, 1997
    Assignee: NEC Corporation
    Inventors: Tomohisa Gotoh, Taisaku Nakata, Hideya Murai, Etsuo Hasegawa
  • Patent number: 5409744
    Abstract: A polymer dispersed liquid crystal optical device has two substrate each having an electrode layer. At least one of the substrates is transparent. An ultraviolet-cured product, such as a polymer material and a liquid crystal material, are sandwiched between the substrates and the respective electrode layers. The ultraviolet-cured product is made of an ultraviolet-curable fluorine-containing acrylate or epoxy series compound having the following formula.
    Type: Grant
    Filed: September 16, 1993
    Date of Patent: April 25, 1995
    Assignee: NEC Corporation
    Inventors: Tomohisa Gotoh, Hideya Murai, Taisaku Nakata