Patents by Inventor Mitsuhiro Nawashiro
Mitsuhiro Nawashiro 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: 8008674Abstract: A light emitting device has a mount with a protruding portion that has an element mounting surface on which a light emitting element is mounted and a first lead and a second lead are exposed. The light emitting element has a first electrode and a second electrode that are electrically connected to the first lead and the second lead, respectively.Type: GrantFiled: May 18, 2007Date of Patent: August 30, 2011Assignee: Toyoda Gosei Co., Ltd.Inventors: Mitsuhiro Nawashiro, Hiroyuki Tajima, Hisao Yamaguchi
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Patent number: 7556404Abstract: A light source device includes a light emitting diode (LED) device, a lens and a light diffusing layer. The LED device includes an LED chip, which emits light, and a fluorescent, which converts a part of the light from the LED chip. The lens is located on a side of a light emitting face of the LED device. The light diffusing layer is located between the LED device and the lens. An air layer exists between the light diffusing layer and the LED device or between the light diffusing layer and the lens.Type: GrantFiled: July 24, 2006Date of Patent: July 7, 2009Assignee: Toyoda Gosei Co., Ltd.Inventors: Mitsuhiro Nawashiro, Satoshi Inagaki
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Patent number: 7537364Abstract: A door handle portion illumination system for illuminating a door handle portion including a door handle, and a concave portion that is formed on a vehicle body in a position which lies at the rear of the door handle, the door handle portion illumination system including a light transmitting element that is incorporated in the door handle and which includes a luminous surface including, in turn, an area which is exposed on a front side of the door handle and an area which faces an edge portion of the concave portion, and a light source which emits a light that is introduced into the light transmitting element.Type: GrantFiled: February 23, 2007Date of Patent: May 26, 2009Assignee: Toyoda Gosei Co., Ltd.Inventors: Akihiro Misawa, Mitsuhiro Nawashiro
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Patent number: 7531845Abstract: A semiconductor light emitting device includes: a body having a recess, a step being provided on a side wall of the recess; a semiconductor light emitting element mounted in the recess; and a resin layer. The resin layer covers at least a portion of an inner surface of the recess of the body. The resin layer has a higher reflectivity than the inner surface of the recess of the body.Type: GrantFiled: June 19, 2007Date of Patent: May 12, 2009Assignees: Kabushiki Kaisha Toshiba, Toyoda Gosei Co., LtdInventors: Hiroaki Oshio, Iwao Matsumoto, Mitsuhiro Nawashiro
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Patent number: 7462994Abstract: An LED illumination apparatus comprising a radiative substrate, at least one LED provided on the radiative substrate and a constant current circuit connected to the LED is provided.Type: GrantFiled: September 29, 2005Date of Patent: December 9, 2008Assignee: Toyoda Gosei Co., Ltd.Inventors: Satoshi Inagaki, Mitsuhiro Nawashiro
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Patent number: 7438452Abstract: An illumination device includes a first light source. The first light source is fixed on an interior ceiling located between a driver seat and a passenger seat in a vehicle. The first light source illuminates an interior compartment of the vehicle. The illumination device also includes a second light source that illuminates around the driver or the passenger. The illumination device further includes a switch that electrically controls the second light source. The switch includes a peripheral part that is located adjacent to the first light source, and the peripheral part emits light from the first light source. The illumination device indicates a location of the switch in dark conditions in the interior compartment of the vehicle in a visually pleasing manner. The illumination device has a simple structure and is simple to install.Type: GrantFiled: February 23, 2006Date of Patent: October 21, 2008Assignee: Toyoda Gosei Co., Ltd.Inventor: Mitsuhiro Nawashiro
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Publication number: 20080054287Abstract: A semiconductor light emitting device includes: a body having a recess, a step being provided on a side wall of the recess; a semiconductor light emitting element mounted in the recess; and a resin layer. The resin layer covers at least a portion of an inner surface of the recess of the body. The resin layer has a higher reflectivity than the inner surface of the recess of the body.Type: ApplicationFiled: June 19, 2007Publication date: March 6, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOYODA GOSEI CO., LTDInventors: Hiroaki Oshio, Iwao Matsumoto, Mitsuhiro Nawashiro
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Patent number: 7329904Abstract: An LED lamp device includes a light emitting element that emits light in a blue-based or violet-based color, an LED having a fluorescent material that emits fluorescent light in a yellow to yellow-green-based color in response to light received from the light emitting element, a lens having a light incident surface to which light emitted from the LED comes in and a convex lens part that radiates incident light, and a light shielding member provided on the light radiation side of the LED, having an opening, and made of a non-transmitting material to light from the LED. The member externally radiates light from the LED radiated through the lens from the opening and cuts the peripheral part of the light from the LED. Therefore, illumination light with no color irregularity in yellow observed around the illumination region can be provided, and a lamp device suitable for illumination can be provided.Type: GrantFiled: January 28, 2005Date of Patent: February 12, 2008Assignee: Toyoda Gosei Co., Ltd.Inventors: Mitsuhiro Nawashiro, Satoshi Inagaki
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Publication number: 20070284597Abstract: A light emitting device has a mount with a protruding portion that has an element mounting surface on which a light emitting element is mounted and a first lead and a second lead are exposed. The light emitting element has a first electrode and a second electrode that are electrically connected to the first lead and the second lead, respectively.Type: ApplicationFiled: May 18, 2007Publication date: December 13, 2007Applicant: Toyoda Gosei Co., Ltd.Inventors: Mitsuhiro Nawashiro, Hiroyuki Tajima, Hisao Yamaguchi
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Publication number: 20070206388Abstract: A door handle portion illumination system for illuminating a door handle portion including a door handle, and a concave portion that is formed on a vehicle body in a position which lies at the rear of the door handle, the door handle portion illumination system including a light transmitting element that is incorporated in the door handle and which includes a luminous surface including, in turn, an area which is exposed on a front side of the door handle and an area which faces an edge portion of the concave portion, and a light source which emits a light that is introduced into the light transmitting element.Type: ApplicationFiled: February 23, 2007Publication date: September 6, 2007Applicant: TOYODA GOSEI CO., LTD.Inventors: Akihiro Misawa, Mitsuhiro Nawashiro
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Publication number: 20070019409Abstract: A light source device includes a light emitting diode (LED) device, a lens and a light diffusing layer. The LED device includes an LED chip, which emits light, and a fluorescent, which converts a part of the light from the LED chip. The lens is located on a side of a light emitting face of the LED device. The light diffusing layer is located between the LED device and the lens. An air layer exists between the light diffusing layer and the LED device or between the light diffusing layer and the lens.Type: ApplicationFiled: July 24, 2006Publication date: January 25, 2007Applicant: TOYODA GOSEI CO., LTD.Inventors: Mitsuhiro Nawashiro, Satoshi Inagaki
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Publication number: 20060187659Abstract: An illumination device includes a first light source. The first light source is fixed on an interior ceiling located between a driver seat and a passenger seat in a vehicle. The first light source illuminates an interior compartment of the vehicle. The illumination device also includes a second light source that illuminates around the driver or the passenger. The illumination device further includes a switch that electrically controls the second light source. The switch includes a peripheral part that is located adjacent to the first light source, and the peripheral part emits light from the first light source. The illumination device indicates a location of the switch in dark conditions in the interior compartment of the vehicle in a visually pleasing manner. The illumination device has a simple structure and is simple to install.Type: ApplicationFiled: February 23, 2006Publication date: August 24, 2006Applicant: TOYODA GOSEI Co., Ltd.Inventor: Mitsuhiro Nawashiro
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Patent number: 7078738Abstract: A light-emitting device has two light-emitting element. In a substrate portion of the light-emitting device having a first internal positive electrode connected to the positive electrode side of a first light-emitting element, a first internal negative electrode connected to the negative electrode side of the first light-emitting element, a second internal positive electrode connected to the positive electrode side of a second light-emitting element, and a second internal negative electrode connected to the negative electrode side of the second light-emitting element, these electrodes are provided so that homopolar electrodes are disposed diagonally.Type: GrantFiled: February 11, 2004Date of Patent: July 18, 2006Assignee: Toyoda Gosei Co., Ltd.Inventors: Mitsuhiro Nawashiro, Satoshi Inagaki, Yasumasa Tatewaki, Takahide Oshio, Hisao Yamaguchi
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Patent number: 7029147Abstract: A light emitting apparatus has: a plurality of surface mount device (SMD) type light emitting diode elements; a circuit board on which the plurality of SMD type light emitting diode elements are mounted; and a plurality of convex lenses each of which covers the light extraction side of corresponding one of the plurality of SMD type light emitting diode elements. The lens optical axis of at least one of the plurality of convex lenses does not coincide with an axis that passes through the center of corresponding one of the plurality of SMD type light emitting diode elements and is perpendicular to the circuit board.Type: GrantFiled: February 9, 2004Date of Patent: April 18, 2006Assignee: Toyoda Gosei Co., Ltd.Inventor: Mitsuhiro Nawashiro
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Publication number: 20060076905Abstract: An LED illumination apparatus comprising a radiative substrate, at least one LED provided on the radiative substrate and a constant current circuit connected to the LED is provided.Type: ApplicationFiled: September 29, 2005Publication date: April 13, 2006Applicant: Toyoda Gosei Co., Ltd.Inventors: Satoshi Inagaki, Mitsuhiro Nawashiro
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Patent number: 6990922Abstract: This invention is to offer an indication system and method of a meter part having excellent visibility and designing property. Alight is irradiated from the first light source toward the indicating panel from the side of the indicating face for making the background part of the indicating panel luminous with a complementary color to a color indicating the indicator part of pointers, graduations, numerals and others.Type: GrantFiled: October 30, 2002Date of Patent: January 31, 2006Assignee: Toyoda Gosei Co., Ltd.Inventors: Tadaoki Ichikawa, Toshinori Takahashi, Mitsuhiro Nawashiro, Norihito Kino, Hiroshi Ito
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Patent number: 6971758Abstract: In the illumination device of the invention, an LED is oppose to a side surface of a flat light guide member. A light shield surface for shielding light from the LED and emitted toward the backside of the guide member in vicinity of the LED on the backside of the light guide member.Type: GrantFiled: March 15, 2002Date of Patent: December 6, 2005Assignee: Toyoda Gosei Co., Ltd.Inventors: Shuji Inui, Moriyuki Hashimoto, Osamu Yamanaka, Yoshio Sano, Mitsuhiro Nawashiro, Hiroshi Ito, Akihiro Misawa, Takayuki Kamiya
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Patent number: 6945678Abstract: The invention is directed to provide a vehicle interior illumination device which has a high illuminating effect and which can be used for various kinds of illumination in a vehicle. The illumination device disposed in a roof portion of the interior of a vehicle, including: a first light-emitting section having a first light source constituted by a plurality of first LEDs disposed at substantially regular spaces; and a second light-emitting section having a second light source constituted by a second LED, and a second outer lens with which a light emission side of the second light source is covered and by which light emitted from said second light source is converged and radiated out.Type: GrantFiled: August 12, 2004Date of Patent: September 20, 2005Assignee: Toyoda Gosei Co., Ltd.Inventors: Hiroshi Sugihara, Hiroshi Ito, Takayuki Kamiya, Yoshio Sano, Mitsuhiro Nawashiro, Kazushi Noda
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Patent number: D578082Type: GrantFiled: September 28, 2007Date of Patent: October 7, 2008Assignees: Toyoda Gosei Co., Ltd., Kabushiki Kaisha ToshibaInventors: Shota Shimonishi, Mitsuhiro Nawashiro, Tetsuro Komatsu, Hiroaki Oshio
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Patent number: D578083Type: GrantFiled: September 28, 2007Date of Patent: October 7, 2008Assignees: Toyoda Gosei Co., Ltd., Kabushiki Kaisha ToshibaInventors: Shota Shimonishi, Mitsuhiro Nawashiro, Tetsuro Komatsu, Hiroaki Oshio