Patents by Inventor Megumi Horiuchi

Megumi Horiuchi 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: 8420414
    Abstract: A method of manufacturing a light-emitting device includes forming a planar board that includes a plurality of first metallic plates and a plurality of second metallic plates continuously connected by a resin, by use of a positioning frame including a plurality of first concave portions and a plurality of second concave portions, mounting a plurality of light-emitting diode elements on the planar board, and sealing the light-emitting diode elements collectively, thereby producing a plurality of light-emitting devices.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: April 16, 2013
    Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
    Inventors: Megumi Horiuchi, Shunichi Watanabe
  • Patent number: 8193014
    Abstract: A manufacturing method of an LED comprises attaching an LED epitaxial wafer (LED wafer) to an expanding tape, dicing the LED wafer on the expanding tape longitudinally and laterally to a certain element size to divide into a plurality of LED elements, expanding the expanding tape to a certain size to form an enlarged expanding tape, placing respective pairs of element electrodes of the plurality of LED elements that are attached to the enlarged expanding tape on respective pairs of electrodes on a printed-circuit board assembly collectively to perform a bonding, and removing the enlarged expanding tape from the plurality of the LED elements.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: June 5, 2012
    Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
    Inventor: Megumi Horiuchi
  • Publication number: 20110250711
    Abstract: A method of manufacturing a light-emitting device includes forming a planar board that includes a plurality of first metallic plates and a plurality of second metallic plates continuously connected by a resin, by use of a positioning frame including a plurality of first concave portions and a plurality of second concave portions, mounting a plurality of light-emitting diode elements on the planar board, and sealing the light-emitting diode elements collectively, thereby producing a plurality of light-emitting devices.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 13, 2011
    Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.
    Inventors: Megumi HORIUCHI, Shunichi Watanabe
  • Patent number: 7839072
    Abstract: A translucent laminate sheet includes at least one type of organic phosphor to make wavelength conversion of light emitted from a light source, and light-transmitting members to seal the organic phosphor. The light-transmitting members are formed by two plate-like members and the organic phosphor is disposed to be held between the two plate-like members. A frame member is disposed between the two plate-like members, and the organic phosphor is hermetically sealed in a space surrounded by the frame member and the two plate-like members.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: November 23, 2010
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Megumi Horiuchi, Toshiro Yukinari
  • Publication number: 20100190280
    Abstract: A manufacturing method of an LED comprises attaching an LED epitaxial wafer (LED wafer) to an expanding tape, dicing the LED wafer on the expanding tape longitudinally and laterally to a certain element size to divide into a plurality of LED elements, expanding the expanding tape to a certain size to form an enlarged expanding tape, placing respective pairs of element electrodes of the plurality of LED elements that are attached to the enlarged expanding tape on respective pairs of electrodes on a printed-circuit board assembly collectively to perform a bonding, and removing the enlarged expanding tape from the plurality of the LED elements.
    Type: Application
    Filed: January 27, 2010
    Publication date: July 29, 2010
    Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Megumi HORIUCHI
  • Patent number: 7567337
    Abstract: A liquid crystal lens comprises a first liquid crystal lens part. The first liquid crystal part comprises first and second flat parallel substrates and a liquid crystal filled between said first and second light-transmitting regions. First and second electrodes are provided on said first and second substrates, respectively, to apply a voltage across the first liquid crystal. An electric heating element is provided on said first substrate to heat said first liquid crystal.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: July 28, 2009
    Assignee: Citizen Electronics Co., Ltd
    Inventors: Megumi Horiuchi, Toshiro Yukinari
  • Patent number: 7522256
    Abstract: A liquid crystal lens apparatus includes a liquid crystal lens unit having first and second substrates including electrodes for applying a voltage a first liquid layer, an electric heating element including at least one high-electrical-resistance section for heating liquid crystal and at least one low-electrical-resistance section that are alternately connected to each other, and a thermo-transmission member spaced apart from the electric heating element for receiving heat from the electric heating element and transmitting the heat through the entire liquid crystal to facilitate heating of the liquid crystal layer by the electric heating element.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: April 21, 2009
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Megumi Horiuchi, Toshiro Yukinari
  • Publication number: 20070273274
    Abstract: A translucent laminate sheet includes at least one type of organic phosphor to make wavelength conversion of light emitted from a light source, and light-transmitting members to seal the organic phosphor. The light-transmitting members are formed by two plate-like members and the organic phosphor is disposed to be held between the two plate-like members. A frame member is disposed between the two plate-like members, and the organic phosphor is hermetically sealed in a space surrounded by the frame member and the two plate-like members.
    Type: Application
    Filed: May 24, 2007
    Publication date: November 29, 2007
    Applicant: Citizen Electronics
    Inventors: Megumi HORIUCHI, Toshiro Yukinari
  • Patent number: 7180240
    Abstract: A blue light emitting element is mounted on a bottom of a case body. A cover member covers the blue light emitting element. Fluorescent material is mixed in the cover member for converting wavelength of light emitted from the blue light emitting element to adjust chromaticity of the light, and luminance reducing material for adjusting the luminance of the light is mixed in the cover member.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: February 20, 2007
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Katsuhiko Noguchi, Megumi Horiuchi
  • Publication number: 20070024801
    Abstract: A liquid crystal lens apparatus includes a liquid crystal lens unit having first and second substrates including electrodes for applying a voltage a first liquid layer, an electric heating element including at least one high-electrical-resistance section for heating liquid crystal and at least one low-electrical-resistance section that are alternately connected to each other, and a thermo-transmission member spaced apart from the electric heating element for receiving heat from the electric heating element and transmitting the heat through the entire liquid crystal to facilitate heating of the liquid crystal layer by the electric heating element.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 1, 2007
    Inventors: Megumi Horiuchi, Toshiro Yukinari
  • Patent number: 7142684
    Abstract: A microphone assembly comprises a microphone, a connector secured to the underside of the microphone. A gasket has a sound collecting hole and is secured on the upper surface of the microphone.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: November 28, 2006
    Assignees: Citizen Electronics Co., Ltd., Citizen Iwate Co., Ltd.
    Inventors: Megumi Horiuchi, Tsutomu Ojima
  • Publication number: 20060218785
    Abstract: A fluororesin material is irradiated with ionizing radiation at a temperature not lower than the crystalline melting point of the fluororesin material in the absence of oxygen to form a crosslinked modified fluororesin material. An electric charge is implanted into the modified fluororesin material to provide a heat-resistant electrically charged resin material suitable for use as an electret element of an electret condenser microphone or the like.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 5, 2006
    Inventors: Megumi Horiuchi, Yuki Tsuchiya, Keiji Watanabe
  • Publication number: 20060215107
    Abstract: A liquid crystal lens comprises a first liquid crystal lens part. The first liquid crystal part comprises first and second flat parallel substrates and a liquid crystal filled between said first and second light-transmitting regions. First and second electrodes are provided on said first and second substrates, respectively, to apply a voltage across the first liquid crystal. An electric heating element is provided on said first substrate to heat said first liquid crystal.
    Type: Application
    Filed: March 21, 2006
    Publication date: September 28, 2006
    Inventors: Megumi Horiuchi, Toshiro Yukinari
  • Patent number: 7107665
    Abstract: A microphone assembly comprises a microphone, a connector secured to the underside of the microphone. A gasket has a sound collecting hole and is secured on the upper surface of the microphone.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: September 19, 2006
    Assignees: Citizen Electronics Co., Ltd., Citizen Iwate Co., Ltd.
    Inventors: Megumi Horiuchi, Tsutomu Ojima
  • Patent number: 6953255
    Abstract: A light emitting element is mounted on a substrate, a convex seal made of a transparent material is provided for sealing the light emitting element. The seal has a rectangular shape in plan view and has a convex shape. The convex shape of the seal has a first top in a direction of a long side of the rectangle, and has a second top in a direction of a short side of the rectangle, the first top has a first curved sectional shape, the second top has a second curved sectional shape, an average curvature of the first curved sectional shape is set to a value so that lightbeams discharged from the first top are expanded in the direction of the long side.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: October 11, 2005
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Megumi Horiuchi, Masaaki Watanabe
  • Patent number: 6947568
    Abstract: A back plate having a stationary back electrode is secured to a substrate. A diaphragm electrode is mounted on the back plate interposing a spacer. A frame having a sound collecting hole is mounted on the diaphragm electrode.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: September 20, 2005
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Haruhisa Tanabe, Megumi Horiuchi
  • Patent number: 6921674
    Abstract: A light emitting diode device has a body having a recess. The body comprises a pair of half bodies made of metal, an insulation layer provided between the half bodies. An LED is mounted on a bottom of the recess and connected with the half bodies by bumps. The recess is closed by a transparent sealing plate.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: July 26, 2005
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Megumi Horiuchi, Takayoshi Michino
  • Patent number: 6858880
    Abstract: A recess is formed in a substrate, a pair of electrodes is provided on the surface of the substrate including a surface of the recess. An LED is provided on the bottom of the recess. A transparent sealing plate is provided for closing the recess.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: February 22, 2005
    Assignees: Citizen Electronics Co., Ltd., Kawaguchiko Seimitsu Co., Ltd.
    Inventors: Megumi Horiuchi, Shinobu Nakamura
  • Patent number: 6858456
    Abstract: Light emitting elements are mounted on substrates to produce a plurality of light emitting element units and a plurality of cover members are manufactured. Each of the cover members includes phosphor particles and pigment particles. Wavelength and luminance of light emitted from the light emitting element of each of the light emitting element units is measured. The measured wavelengths and luminances of lights emitted from the light emitting elements are classified into ranks. The wavelengths of lights emitted from the phosphor particles are classified into ranks and the mixing ratios of pigments are classified. Ranks of the light emitting elements and ranks of the cover members are classified into groups in accordance with desired characteristic. A light emitting element and a cover member belonging to same group are mounted in a case.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: February 22, 2005
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Katsuhiko Noguchi, Megumi Horiuchi
  • Patent number: 6822269
    Abstract: A light emitting diode device has a body having a recess. The body comprises a pair of half bodies made of metal, an insulation layer provided between the half bodies. An LED is mounted on a bottom of the recess and connected with the half bodies by bumps. The recess is closed by a transparent sealing plate.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: November 23, 2004
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Megumi Horiuchi, Takayoshi Michino