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).
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Patent number: 9316781Abstract: 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: GrantFiled: July 20, 2012Date of Patent: April 19, 2016Assignee: TOYODA GOSEI CO., LTD.Inventors: Hideki Kokubu, Yuhki Ito
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Patent number: 8698187Abstract: 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: GrantFiled: September 28, 2011Date of Patent: April 15, 2014Assignee: Toyoda Gosei Co., Ltd.Inventors: Hideki Kokubu, Kosei Fukui, Toshimasa Hayashi
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Patent number: 8643271Abstract: 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: GrantFiled: February 5, 2009Date of Patent: February 4, 2014Assignee: Toyoda Gosei Co., Ltd.Inventors: Shota Shimonishi, Hiroyuki Tajima, Toshimasa Hayashi, Hideki Kokubu
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Publication number: 20130077344Abstract: 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: ApplicationFiled: July 20, 2012Publication date: March 28, 2013Applicant: Toyoda Gosej Co., Ltd.Inventors: Hideki KOKUBU, Yuhki Ito
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Publication number: 20130003381Abstract: 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: ApplicationFiled: June 27, 2012Publication date: January 3, 2013Applicant: Toyoda Gosei Co., Ltd.Inventors: Hideki KOKUBU, Kosei Fukui, Toshimasa Hayashi, Yukihiro Demukai
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Publication number: 20120080711Abstract: 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: ApplicationFiled: September 28, 2011Publication date: April 5, 2012Applicant: TOYODA GOSEI CO., LTD.Inventors: Hideki Kokubu, Kosei Fukui, Toshimasa Hayashi
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Patent number: 8138661Abstract: 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: GrantFiled: December 24, 2008Date of Patent: March 20, 2012Assignees: Toyoda Gosei Co., Ltd., Panasonic CorporationInventors: Hideki Kokubu, Toshimasa Hayashi, Yuhki Ito, Michio Miyawaki
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Patent number: 7993038Abstract: 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: GrantFiled: March 5, 2008Date of Patent: August 9, 2011Assignees: Toyoda Gosei Co., Ltd., Panasonic CorporationInventors: Hideki Kokubu, Toshimasa Hayashi, Kenichi Koya, Michio Miyawaki
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Patent number: 7618165Abstract: 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: GrantFiled: December 6, 2006Date of Patent: November 17, 2009Assignee: Toyoda Gosei Co., Ltd.Inventors: Takayuki Kamiya, Hideki Kokubu
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Publication number: 20090206718Abstract: 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: ApplicationFiled: February 5, 2009Publication date: August 20, 2009Applicant: TOYODA GOSEI CO., LTD.Inventors: Shota Shimonishi, Hiroyuki Tajima, Toshimasa Hayashi, Hideki Kokubu
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Publication number: 20090167142Abstract: 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: ApplicationFiled: December 24, 2008Publication date: July 2, 2009Applicants: TOYODA GOSEI CO., LTD., Panasonic CorporationInventors: Hideki Kokubu, Toshimasa Hayashi, Yuhki Ito, Michio Miyawaki
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Publication number: 20080225532Abstract: 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: ApplicationFiled: March 5, 2008Publication date: September 18, 2008Applicants: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Kokubu, Toshimasa Hayashi, Kenichi Koya, Michio Miyawaki
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Patent number: D585851Type: GrantFiled: March 12, 2008Date of Patent: February 3, 2009Assignees: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Kokubu, Toshimasa Hayashi, Michio Miyawaki
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Patent number: D589910Type: GrantFiled: June 25, 2008Date of Patent: April 7, 2009Assignees: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Kokubu, Toshimasa Hayashi, Michio Miyawaki
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Patent number: D597499Type: GrantFiled: June 25, 2008Date of Patent: August 4, 2009Assignees: Toyoda Gosei Co., Ltd., Matsushita Electric Industrial Co., Ltd.Inventors: Hideki Kokubu, Toshimasa Hayashi, Michio Miyawaki
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Patent number: D640210Type: GrantFiled: December 14, 2009Date of Patent: June 21, 2011Assignee: Toyoda Gosei Co., Ltd.Inventors: Hideki Kokubu, Toshimasa Hayashi, Yukihiro Demukai
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Patent number: D640211Type: GrantFiled: March 26, 2010Date of Patent: June 21, 2011Assignee: Toyoda Gosei Co., Ltd.Inventors: Hideki Kokubu, Toshimasa Hayashi, Yukihiro Demukai
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Patent number: D652394Type: GrantFiled: March 21, 2011Date of Patent: January 17, 2012Assignee: Toyoda Gosei Co., Ltd.Inventors: Kosei Fukui, Hideki Kokubu, Toshimasa Hayashi
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Patent number: D652807Type: GrantFiled: March 11, 2011Date of Patent: January 24, 2012Assignee: Toyoda Gosei Co., Ltd.Inventors: Kosei Fukui, Hideki Kokubu, Toshimasa Hayashi
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Patent number: D653222Type: GrantFiled: March 21, 2011Date of Patent: January 31, 2012Assignee: Toyoda Gosei Co., Ltd.Inventors: Kosei Fukui, Hideki Kokubu, Toshimasa Hayashi