Patents by Inventor Arata Shimozawa

Arata Shimozawa 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: 10508778
    Abstract: Provided is a light-emitting device in which a light-emitting region is increased in size without decreasing the yield. This light-emitting device includes a central light-emitting unit, and a plurality of peripheral light-emitting units arranged to fill a periphery of the central light-emitting unit, wherein each of the central light-emitting unit and the peripheral light-emitting units includes a substrate and light-emitting elements mounted on the substrate, and an area of the light-emitting region of each of the peripheral light-emitting units is equal to or smaller than an area of the light-emitting region of the central light-emitting unit.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: December 17, 2019
    Assignees: Citizen Electronics Co., Ltd., Citizen Watch Co., Ltd.
    Inventors: Shingo Kuriki, Arata Shimozawa
  • Publication number: 20170211761
    Abstract: Provided is a light-emitting device in which a light-emitting region is increased in size without decreasing the yield. This light-emitting device includes a central light-emitting unit, and a plurality of peripheral light-emitting units arranged to fill a periphery of the central light-emitting unit, wherein each of the central light-emitting unit and the peripheral light-emitting units includes a substrate and light-emitting elements mounted on the substrate, and an area of the light-emitting region of each of the peripheral light-emitting units is equal to or smaller than an area of the light-emitting region of the central light-emitting unit.
    Type: Application
    Filed: July 15, 2015
    Publication date: July 27, 2017
    Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Shingo Kuriki, Arata Shimozawa
  • Patent number: 9406858
    Abstract: An object is to provide an LED module that eliminates the need for providing electrodes between each device and allows LEDs to be arrayed with high density. An LED module includes a substrate, a first frame member, a second frame member disposed outside the first frame member, a plurality of LEDs for producing white light disposed within the first frame member, a phosphor resin disposed within the first frame member, a plurality of LEDs for producing colored light disposed between the first frame member and the second frame member, and electrodes for applying a voltage to the plurality of LEDs for producing the white light, wherein a metal wire to connect the plurality of LEDs for producing the colored light to one another is disposed so as to straddle a part of each of the electrodes.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: August 2, 2016
    Assignees: CITIZEN ELECTRONICS CO., LTD., EYE LIGHTING SYSTEMS CORPORATION
    Inventors: Shingo Kuriki, Arata Shimozawa, Nobuyuki Baba, Takahiro Mikami
  • Publication number: 20160027981
    Abstract: An object is to provide an LED module that eliminates the need for providing electrodes between each device and allows LEDs to be arrayed with high density. An LED module includes a substrate, a first frame member, a second frame member disposed outside the first frame member, a plurality of LEDs for producing white light disposed within the first frame member, a phosphor resin disposed within the first frame member, a plurality of LEDs for producing colored light disposed between the first frame member and the second frame member, and electrodes for applying a voltage to the plurality of LEDs for producing the white light, wherein a metal wire to connect the plurality of LEDs for producing the colored light to one another is disposed so as to straddle a part of each of the electrodes.
    Type: Application
    Filed: July 23, 2015
    Publication date: January 28, 2016
    Applicants: CITIZEN ELECTRONICS CO., LTD., EYE LIGHTING SYSTEMS CORPORATION
    Inventors: Shingo KURIKI, Arata Shimozawa, Nobuyuki Baba, Takahiro Mikami
  • Patent number: 9220142
    Abstract: A light-emitting device includes a mounting area that includes a first end and a second end opposite to the first end, a first electrode group disposed adjacent to the first end of the mounting area, a second electrode group disposed adjacent to the second end of the mounting area, a plurality of files each in that a plurality of light-emitting elements are arranged in the mounting area to extend from a vicinity of the first end of the light-emitting area to a vicinity of the second end of the mounting area and electrically connected in series with each other of the light-emitting elements in each file. Light-emitting elements included in two or more files can be a light-emitting block to be lighted together through electrodes of the first electrode group and the second electrode group.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: December 22, 2015
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Takakazu Yano, Masato Asahina, Arata Shimozawa, Koichi Fukasawa
  • Patent number: 9146008
    Abstract: In a first aspect of the present invention, a lighting device includes a substrate that includes a pair of electrodes as a first electrode and a second electrode, groups each including a same number of light-emitting elements that are electrically connected to one another in series in each group and that are arranged between the first electrode and the second electrode, a first light-transmitting member including a first phosphor and covering at least one light-emitting element and a second light-transmitting member including a second phosphor and covering at least one light-emitting element that is uncovered by the first light-transmitting member, the first phosphor in the first light-transmitting member and the second phosphor in the second light-transmitting member being configured to be excited to emit light with emission spectrum different from each other, and the first light-transmitting member being enclosed by the second light-transmitting member.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: September 29, 2015
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Arata Shimozawa
  • Publication number: 20150226387
    Abstract: In a first aspect of the present invention, a lighting device includes a substrate that includes a pair of electrodes as a first electrode and a second electrode, groups each including a same number of light-emitting elements that are electrically connected to one another in series in each group and that are arranged between the first electrode and the second electrode, a first light-transmitting member including a first phosphor and covering at least one light-emitting element and a second light-transmitting member including a second phosphor and covering at least one light-emitting element that is uncovered by the first light-transmitting member, the first phosphor in the first light-transmitting member and the second phosphor in the second light-transmitting member being configured to be excited to emit light with emission spectrum different from each other, and the first light-transmitting member being enclosed by the second light-transmitting member.
    Type: Application
    Filed: April 17, 2015
    Publication date: August 13, 2015
    Inventor: Arata SHIMOZAWA
  • Patent number: 9046226
    Abstract: In a first aspect of the present invention, a lighting device includes a substrate that includes a pair of electrodes as a first electrode and a second electrode, groups each including a same number of light-emitting elements that are electrically connected to one another in series in each group and that are arranged between the first electrode and the second electrode, a first light-transmitting member including a first phosphor and covering at least one light-emitting element and a second light-transmitting member including a second phosphor and covering at least one light-emitting element that is uncovered by the first light-transmitting member, the first phosphor in the first light-transmitting member and the second phosphor in the second light-transmitting member being configured to be excited to emit light with emission spectrum different from each other, and the first light-transmitting member being enclosed by the second light-transmitting member.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: June 2, 2015
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Arata Shimozawa
  • Publication number: 20140055996
    Abstract: In a first aspect of the present invention, a lighting device includes a substrate that includes a pair of electrodes as a first electrode and a second electrode, groups each including a same number of light-emitting elements that are electrically connected to one another in series in each group and that are arranged between the first electrode and the second electrode, a first light-transmitting member including a first phosphor and covering at least one light-emitting element and a second light-transmitting member including a second phosphor and covering at least one light-emitting element that is uncovered by the first light-transmitting member, the first phosphor in the first light-transmitting member and the second phosphor in the second light-transmitting member being configured to be excited to emit light with emission spectrum different from each other, and the first light-transmitting member being enclosed by the second light-transmitting member.
    Type: Application
    Filed: August 26, 2013
    Publication date: February 27, 2014
    Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.
    Inventor: Arata SHIMOZAWA
  • Patent number: D562270
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: February 19, 2008
    Assignee: Citizen Electronics Co., Ltd.
    Inventor: Arata Shimozawa
  • Patent number: D574791
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: August 12, 2008
    Assignee: Citizen Electronics Co., Ltd.
    Inventor: Arata Shimozawa