Patents by Inventor Kazue Tagata

Kazue Tagata 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).

  • Light source unit
    Patent number: 8172443
    Abstract: A light source unit includes a light source portion including a mounting board, a light emitting element mounted on the mounting board, a rectangular solid sealing material for sealing the light emitting element, the sealing material including a first distance between the light emitting element and a top face thereof and a second distance between the light emitting element and a side face thereof, the first distance being greater than the second distance and a phosphor dispersed in the sealing material for radiating a wavelength conversion light by being excited by light emitted from the light emitting element, wherein a first light emitted through the top face of the sealing material is different in emission color from a second light emitted through the side face of the sealing material.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: May 8, 2012
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Yoshinobu Suehiro, Koji Tasumi, Kazue Tagata
  • Light source unit
    Patent number: 7938561
    Abstract: A light source unit includes a light source portion including an LED element, a heat radiation portion that is connected to the light source portion, a case including an outside wall that is disposed apart from the light source portion and the heat radiation portion, and a spring member that is disposed between the outside wall of the case and the heat radiation portion.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: May 10, 2011
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Yoshinobu Suehiro, Koji Tasumi, Kazue Tagata
  • Light source unit
    Patent number: 7736016
    Abstract: A light source unit includes a linear light source portion including a plurality of glass-sealed LEDs, a heat radiation portion including a heat radiation plate connected to the linear light source portion, and a case including an outside wall that is disposed apart from the linear light source portion and the heat radiation portion, a support portion connecting the outside wall to heat radiation portion, and a vent hole formed in the outside wall.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: June 15, 2010
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Yoshinobu Suehiro, Koji Tasumi, Kazue Tagata
  • Light source unit
    Publication number: 20090262517
    Abstract: A light source unit includes a light source portion including a mounting board, a light emitting element mounted on the mounting board, a rectangular solid sealing material for sealing the light emitting element, the sealing material including a first distance between the light emitting element and a top face thereof and a second distance between the light emitting element and a side face thereof, the first distance being greater than the second distance and a phosphor dispersed in the sealing material for radiating a wavelength conversion light by being excited by light emitted from the light emitting element, wherein a first light emitted through the top face of the sealing material is different in emission color from a second light emitted through the side face of the sealing material.
    Type: Application
    Filed: March 31, 2009
    Publication date: October 22, 2009
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Yoshinobu Suehiro, Koji Tasumi, Kazue Tagata
  • Light source unit
    Publication number: 20090122541
    Abstract: A light source unit includes a linear light source portion including a plurality of glass-sealed LEDs, a heat radiation portion including a heat radiation plate connected to the linear light source portion, and a case including an outside wall that is disposed apart from the linear light source portion and the heat radiation portion, a support portion connecting the outside wall to heat radiation portion, and a vent hole formed in the outside wall.
    Type: Application
    Filed: October 27, 2008
    Publication date: May 14, 2009
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Yoshinobu Suehiro, Koji Tasumi, Kazue Tagata
  • Light source unit
    Publication number: 20090086479
    Abstract: A light source unit includes a light source portion including an LED element, a heat radiation portion that is connected to the light source portion, a case including an outside wall that is disposed apart from the light source portion and the heat radiation portion, and a spring member that is disposed between the outside wall of the case and the heat radiation portion.
    Type: Application
    Filed: September 23, 2008
    Publication date: April 2, 2009
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Yoshinobu Suehiro, Koji Tasumi, Kazue Tagata