Patents by Inventor Hideki Kokubu

Hideki Kokubu 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: 9316781
    Abstract: A linear light source device comprises a wiring substrate in a rectangular shape and having a wiring pattern formed thereon, a plurality of light emitting elements arranged on the wiring substrate in a longitudinal direction of the wiring substrate and connected with the wiring pattern on the wiring substrate, and a sealing resin that seals the light emitting elements, wherein the linear light source device is to be arranged on a side surface of a light guiding plate to form a planar light source device, and an external connection terminal is arranged on a surface of the wiring substrate that is opposite to a surface of the wiring substrate where the light emitting element are arranged and in a central portion in the longitudinal direction of the wiring substrate, and connected with the wiring pattern.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: April 19, 2016
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Hideki Kokubu, Yuhki Ito
  • Patent number: 8698187
    Abstract: A light emitting device comprises a case having a space therein, the space defined by an inner bottom surface and an inner side surface of the case, a lead frame housed in the space, and having a bending portion bent along the inner side surface of the case, and a light emitting element electrically connected to the lead frame, wherein a rear surface of the bending portion is embedded in the case and a front surface of the bending portion is exposed from the inner side surface of the case so as to oppose the light emitting element, and wherein a projecting portion projected from the inner bottom surface and inclined to the inner side surface of the case is formed on the inner side surface of the case.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: April 15, 2014
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Hideki Kokubu, Kosei Fukui, Toshimasa Hayashi
  • Patent number: 8643271
    Abstract: The present invention provides a LED lamp module including a metal base, a flexible board mounted on the metal base and having a through hole, a surface mounted type LED lamp including a ceramic package having a projection portion on a back of the ceramic package, a LED chip mounted on the ceramic package, and a light output surface. The projection part is thermally connected with the metal base through the through hole, and the LED lamp is electrically connected with the flexible board through an electric conductive member at a portion other than the projection portion. The LED lamp module includes a cover covering a part of the LED lamp other than the light output surface and the flexible board and pressing the LED lamp.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: February 4, 2014
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Shota Shimonishi, Hiroyuki Tajima, Toshimasa Hayashi, Hideki Kokubu
  • Publication number: 20130077344
    Abstract: A linear light source device comprises a wiring substrate in a rectangular shape and having a wiring pattern formed thereon, a plurality of light emitting elements arranged on the wiring substrate in a longitudinal direction of the wiring substrate and connected with the wiring pattern on the wiring substrate, and a sealing resin that seals the light emitting elements, wherein the linear light source device is to be arranged on a side surface of a light guiding plate to form a planar light source device, and an external connection terminal is arranged on a surface of the wiring substrate that is opposite to a surface of the wiring substrate where the light emitting element are arranged and in a central portion in the longitudinal direction of the wiring substrate, and connected with the wiring pattern.
    Type: Application
    Filed: July 20, 2012
    Publication date: March 28, 2013
    Applicant: Toyoda Gosej Co., Ltd.
    Inventors: Hideki KOKUBU, Yuhki Ito
  • Publication number: 20130003381
    Abstract: A light emitting device comprises two or more light emitting elements, two or more lead frames electrically connected to the light emitting elements, and a case formed as a slender flat box shape and having an accommodating recession for accommodating the light emitting elements and the lead frame, wherein the lead frames are buried in the case and provided side by side in a longitudinal direction of the case, and the surfaces of the lead frames are arranged coplanar, the light emitting elements are mounted on the lead frames, and the plurality of lead frames and the case are arranged in a nearly linear symmetric configuration with respect to a central line that bisects the light emitting device in the longitudinal direction, so that no uneven heat distribution takes place.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 3, 2013
    Applicant: Toyoda Gosei Co., Ltd.
    Inventors: Hideki KOKUBU, Kosei Fukui, Toshimasa Hayashi, Yukihiro Demukai
  • Publication number: 20120080711
    Abstract: A light emitting device comprises a case having a space therein, the space defined by an inner bottom surface and an inner side surface of the case, a lead frame housed in the space, and having a bending portion bent along the inner side surface of the case, and a light emitting element electrically connected to the lead frame, wherein a rear surface of the bending portion is embedded in the case and a front surface of the bending portion is exposed from the inner side surface of the case so as to oppose the light emitting element, and wherein a projecting portion projected from the inner bottom surface and inclined to the inner side surface of the case is formed on the inner side surface of the case.
    Type: Application
    Filed: September 28, 2011
    Publication date: April 5, 2012
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Hideki Kokubu, Kosei Fukui, Toshimasa Hayashi
  • Patent number: 8138661
    Abstract: In a side surface light emitting type light emitting device mounted on the surface of a wiring board, the light emitting device comprises: a base body part having a reflecting case and a terminal holding part formed integrally with the reflecting case in the rear part of the reflecting case; and lead members inserted into the base body part, having a pair of connecting parts including base parts of the connecting parts drawn out from the lower surface of the base body part and bent along the lower surface and side bending parts provided in the base parts of the connecting parts and bent along the side surfaces of the terminal holding part and connected to a pattern of the wiring board; and is characterized in that the base parts of the connecting parts are provided with protruding parts protruding toward the center of the lower surface of the terminal holding part and cut-out parts are provided for accommodating the protruding parts in the lower surface of the terminal holding part.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: March 20, 2012
    Assignees: Toyoda Gosei Co., Ltd., Panasonic Corporation
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Yuhki Ito, Michio Miyawaki
  • Patent number: 7993038
    Abstract: In a light-emitting device including a base body portion which is configured by integrally forming a reflection case and a terminal holding portion provided at the rear portion of the reflection case and lead members to be inserted into the base body portion, portions of the lead members extracted outside of the base body portion are bent along the terminal holding portion to form a pair of connection portions to be connected to the pattern of a wiring board, respectively, a plurality of radiation plates are provided at the lead member. The plurality of the radiation plates are extracted from the same surface (lower surface) of the base body portion. Since the plurality of radiation plates are provided, at the time of being the radiation plates, the base body portion is prevented from being applied with an excessive force and the damage of the base body portion can be prevented.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: August 9, 2011
    Assignees: Toyoda Gosei Co., Ltd., Panasonic Corporation
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Kenichi Koya, Michio Miyawaki
  • Patent number: 7618165
    Abstract: There is provided an LED lamp unit comprising an LED lamp, a protective component for an LED lighting circuit, a circuit section and a case part, characterized in that the circuit section has a metal plate which is embedded in the case part with its surface partially exposed, a lead of the LED lamp is electrically connected to the exposed surface of the metal plate, and the protective component for the LED lighting circuit is connected to the metal plate at an opposite side to a side where the lead of the LED lamp is connected.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: November 17, 2009
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Takayuki Kamiya, Hideki Kokubu
  • Publication number: 20090206718
    Abstract: The present invention provides a LED lamp module including a metal base, a flexible board mounted on the metal base and having a through hole, a surface mounted type LED lamp including a ceramic package having a projection portion on a back of the ceramic package, a LED chip mounted on the ceramic package, and a light output surface. The projection part is thermally connected with the metal base through the through hole, and the LED lamp is electrically connected with the flexible board through an electric conductive member at a portion other than the projection portion.
    Type: Application
    Filed: February 5, 2009
    Publication date: August 20, 2009
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Shota Shimonishi, Hiroyuki Tajima, Toshimasa Hayashi, Hideki Kokubu
  • Publication number: 20090167142
    Abstract: In a side surface light emitting type light emitting device mounted on the surface of a wiring board, the light emitting device comprises: a base body part having a reflecting case and a terminal holding part formed integrally with the reflecting case in the rear part of the reflecting case; and lead members inserted into the base body part, having a pair of connecting parts including base parts of the connecting parts drawn out from the lower surface of the base body part and bent along the lower surface and side bending parts provided in the base parts of the connecting parts and bent along the side surfaces of the terminal holding part and connected to a pattern of the wiring board; and is characterized in that the base parts of the connecting parts are provided with protruding parts protruding toward the center of the lower surface of the terminal holding part and cut-out parts are provided for accommodating the protruding parts in the lower surface of the terminal holding part.
    Type: Application
    Filed: December 24, 2008
    Publication date: July 2, 2009
    Applicants: TOYODA GOSEI CO., LTD., Panasonic Corporation
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Yuhki Ito, Michio Miyawaki
  • Publication number: 20080225532
    Abstract: In a light-emitting device including a base body portion which is configured by integrally forming a reflection case and a terminal holding portion provided at the rear portion of the reflection case and lead members to be inserted into the base body portion, portions of the lead members extracted outside of the base body portion are bent along the terminal holding portion to form a pair of connection portions to be connected to the pattern of a wiring board, respectively, a plurality of radiation plates are provided at the lead member. The plurality of the radiation plates are extracted from the same surface (lower surface) of the base body portion. Since the plurality of radiation plates are provided, at the time of being the radiation plates, the base body portion is prevented from being applied with an excessive force and the damage of the base body portion can be prevented.
    Type: Application
    Filed: March 5, 2008
    Publication date: September 18, 2008
    Applicants: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Kenichi Koya, Michio Miyawaki
  • Patent number: D585851
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: February 3, 2009
    Assignees: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Michio Miyawaki
  • Patent number: D589910
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: April 7, 2009
    Assignees: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Michio Miyawaki
  • Patent number: D597499
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: August 4, 2009
    Assignees: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Michio Miyawaki
  • Patent number: D640210
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: June 21, 2011
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Yukihiro Demukai
  • Patent number: D640211
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: June 21, 2011
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Hideki Kokubu, Toshimasa Hayashi, Yukihiro Demukai
  • Patent number: D652394
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: January 17, 2012
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Kosei Fukui, Hideki Kokubu, Toshimasa Hayashi
  • Patent number: D652807
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: January 24, 2012
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Kosei Fukui, Hideki Kokubu, Toshimasa Hayashi
  • Patent number: D653222
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: January 31, 2012
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Kosei Fukui, Hideki Kokubu, Toshimasa Hayashi