Patents by Inventor Shigeo Takeda
Shigeo Takeda 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: 11967838Abstract: An auxiliary power receiving device includes a power receiving unit, a notification unit, and a notification controlling unit. The power receiving unit receives power from a power transfer signal, which is used to supply power from a power transmitting device to a power receiving device. The notification unit may be provided on a main surface of a plate-shaped member. The notification controlling unit controls a notification performed by the notification unit in accordance with a power reception condition of the power transfer signal at the power receiving unit.Type: GrantFiled: December 8, 2022Date of Patent: April 23, 2024Assignee: TOYODA GOSEI CO., LTD.Inventors: Tomokazu Sakai, Shinichiro Fuki, Teppei Abe, Shigeo Takeda, Yuki Tokuyama
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Publication number: 20230318357Abstract: A charger includes a power receiving unit, a power storage unit, and a power transmission unit. The power receiving unit is configured to receive, through wireless power supply via radio waves, power transmitted from a power transmitting device disposed in a vehicle. The power storage unit is configured to be supplied and charged with the power received by the power receiving unit. The power transmission unit is configured to transmit, through wireless power supply via electromagnetic induction, the power stored in the power storage unit to an electrical device that is to be charged.Type: ApplicationFiled: March 21, 2023Publication date: October 5, 2023Inventors: Teppei ABE, Shinichiro FUKI, Tomokazu SAKAI, Shigeo TAKEDA, Yuki TOKUYAMA
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Publication number: 20230208207Abstract: An auxiliary power receiving device includes a power receiving unit configured to receive power from a power transfer signal, which is used to supply power from a power transmitting device to a power receiving device, a notification unit configured to be provided on a main surface of a plate-shaped member, and a notification controlling unit configured to control a notification performed by the notification unit in accordance with a power reception condition of the power transfer signal at the power receiving unit.Type: ApplicationFiled: December 8, 2022Publication date: June 29, 2023Inventors: Tomokazu SAKAI, Shinichiro FUKI, Teppei ABE, Shigeo TAKEDA, Yuki TOKUYAMA
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Publication number: 20230208199Abstract: A contactless power supply system includes power receiving devices, a power transmitting device, and a determining unit. The power receiving devices each include a transmitting unit and a power receiving unit. The power transmitting device includes a receiving unit and a power supplying unit. Efficiency condition information is defined that includes an efficiency condition that indicates that the power transmitting device can transmit power to a power receiving device efficiently. The determining unit is configured to determine, based on the efficiency condition information, the power receiving device that satisfies the efficiency condition as the power receiving device to which the power transmitting device transmits power, among the power receiving devices from which the receiving unit has received the beacon signals. The power supplying unit is configured to supply power to the power receiving device that has been determined by the determining unit.Type: ApplicationFiled: December 8, 2022Publication date: June 29, 2023Inventors: Teppei ABE, Shinichiro FUKI, Tomokazu SAKAI, Shigeo TAKEDA, Yuki TOKUYAMA
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Publication number: 20220238761Abstract: A light-emitting device includes a substrate, a light-emitting element having a DBR film and being mounted on the substrate, a light-reflective film provided on a surface of the substrate, and a sealing member that includes a lens-shaped dropping-formed article to seal the light-emitting element and is provided on the substrate so that an edge of a bottom surface is in contact with an upper surface of the light-reflective film. A contact angle of the sealing member with the upper surface of the light-reflective film is not less than 40°.Type: ApplicationFiled: May 1, 2020Publication date: July 28, 2022Inventors: Shigeo TAKEDA, Masashi KOKETSU, Shota SHIMONISHI
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Patent number: 10978619Abstract: A light emitting device includes a light emitting element that emits a light having a peak emission wavelength in a wavelength range of not less than 410 nm and not more than 425 nm, and a phosphor emitting a fluorescence having a peak at a longer wavelength side than the peak emission wavelength of light emitted from the light emitting element. A general color rendering index Ra of fluorescence emitted from the phosphor is not less than 95. A general color rendering index Ra of mixed light of light emitted from the light emitting element and fluorescence emitted from the phosphor is higher than a general color rendering index Ra of fluorescence emitted from the phosphor. A color rendering index Rf of the mixed light is not less than 96.Type: GrantFiled: November 30, 2017Date of Patent: April 13, 2021Assignee: TOYODA GOSEI CO., LTD.Inventors: Shota Shimonishi, Tomohiro Miwa, Satomi Seki, Daisuke Kato, Shigeo Takeda, Shota Yamamori, Yukihiro Demukai, Ikuhiro Oya
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Patent number: 10539274Abstract: A light emitting device includes a plurality of LED strings connected in parallel, wherein: each of the LED strings includes a plurality of LED chips connected in series to each other; in the LED string, ultraviolet light LED chips and blue LED chips or violet LED chips and blue LED chips are connected in series to each other; and the number of the ultraviolet light LED chips or the number of the violet LED chips is the same as the number of the blue LED chips in each of the plurality of LED strings.Type: GrantFiled: November 10, 2015Date of Patent: January 21, 2020Assignee: TOYODA GOSEI CO., LTD.Inventors: Tomohiro Miwa, Kazuhiro Sakai, Shota Shimonishi, Shigeo Takeda
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Patent number: 10468390Abstract: A light emitting device includes a substrate, a plurality of light emitting elements disposed on the substrate, a transparent resin embedded in a space between the plurality of light emitting elements, and a phosphor containing resin layer formed on the plurality of light emitting elements and the transparent resin. The transparent resin includes no phosphor.Type: GrantFiled: July 13, 2017Date of Patent: November 5, 2019Assignee: TOYODA GOSEI CO., LTD.Inventors: Tomohiro Miwa, Daisuke Kato, Shigeo Takeda, Shota Shimonishi, Hideaki Kato
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Patent number: 10381530Abstract: A light emitting device includes a light emitting element that emits a light having a peak wavelength of not less than 411 nm and not more than 421 nm, and a phosphor that emits a fluorescence having a longer peak wavelength than the peak wavelength of the light emitted from the light emitting element. An emission spectrum of only the light emitting element and an emission spectrum of only the phosphor overlap each other while having an overlap width of not less than 71 nm and not more than 81 nm. The overlap width is defined as a wavelength difference between a long wavelength side point at a 0.1% height of a peak height of the emission spectrum of only the light emitting element and a short wavelength side point at a 0.1% height of a highest peak of the emission spectrum of only the phosphor.Type: GrantFiled: November 21, 2017Date of Patent: August 13, 2019Assignee: TOYODA GOSEI CO., LTD.Inventors: Tomohiro Miwa, Shota Shimonishi, Satomi Seki, Daisuke Kato, Shigeo Takeda
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Patent number: 10199552Abstract: A light emitting device includes a wiring substrate, a light emitting element disposed on a front surface of the wiring substrate, and a conductor pattern formed on a rear surface of the wiring substrate. The conductor pattern includes a slit or a hole that fails to separate the conductor pattern into two parts.Type: GrantFiled: July 12, 2017Date of Patent: February 5, 2019Assignee: TOYODA GOSEI CO., LTD.Inventors: Shigeo Takeda, Shota Shimonishi, Hideaki Kato, Tomohiro Miwa, Daisuke Kato
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Patent number: 10134959Abstract: A light emitting device includes a first phosphor emitting a fluorescence having a peak emission wavelength of not less than 445 nm and not more than 490 nm, a second phosphor emitting a fluorescence having a peak emission wavelength of not less than 491 nm and not more than 600 nm, a third phosphor emitting a fluorescence having a peak emission wavelength of not less than 601 nm and not more than 670 nm, and a light emitting element that emits a light having a peak emission wavelength at a shorter wavelength side than the peak emission wavelength of the first phosphor. 0.586?x?0.734, 0.017?y?0.081, 0.239?z?0.384 and x+y+z=1 are satisfied, where x, y, z are defined as mass ratios of the first, second and third phosphors, respectively, to a total mass of the first, second and third phosphors.Type: GrantFiled: November 21, 2017Date of Patent: November 20, 2018Assignee: TOYODA GOSEI CO., LTD.Inventors: Tomohiro Miwa, Shota Shimonishi, Shigeo Takeda, Satomi Seki, Daisuke Kato
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Patent number: 10115872Abstract: A light emitting device includes a first light emitting element that outputs a first emitted light having a first peak wavelength, a second light emitting element that outputs a second emitted light having a second peak wavelength, and a phosphor layer including a plurality of phosphors, which is disposed on the first and second light emitting elements. The phosphor layer receives the first and second emitted light and outputs a plurality of emitted light based on the plurality of phosphors so as to form a first synthesized emission spectrum. The second light emitting element includes an emission spectrum to reduce a depth of a deepest dip of at least one dip in a second synthesized emission spectrum that is formed by removing an emission spectrum of the second emitted light from the first synthesized emission spectrum.Type: GrantFiled: July 6, 2017Date of Patent: October 30, 2018Assignee: TOYODA GOSEI CO., LTD.Inventors: Daisuke Kato, Tomohiro Miwa, Shigeo Takeda, Shota Shimonishi, Satomi Seki
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Publication number: 20180261733Abstract: A light emitting device includes a light emitting element that emits a light having a peak wavelength of not less than 411 nm and not more than 421 nm, and a phosphor that emits a fluorescence having a longer peak wavelength than the peak wavelength of the light emitted from the light emitting element. An emission spectrum of only the light emitting element and an emission spectrum of only the phosphor overlap each other while having an overlap width of not less than 71 nm and not more than 81 nm. The overlap width is defined as a wavelength difference between a long wavelength side point at a 0.1% height of a peak height of the emission spectrum of only the light emitting element and a short wavelength side point at a 0.1% height of a highest peak of the emission spectrum of only the phosphor.Type: ApplicationFiled: November 21, 2017Publication date: September 13, 2018Inventors: Tomohiro MIWA, Shota SHIMONISHI, Satomi SEKI, Daisuke KATO, Shigeo TAKEDA
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Publication number: 20180219140Abstract: A light emitting device includes a first phosphor group including at least two types of phosphors emitting a fluorescence having a peak emission wavelength of not less than 445 nm and not more than 490 nm, a second phosphor group including at least two types of phosphors emitting a fluorescence having a peak emission wavelength of not less than 491 nm and not more than 600 nm, a third phosphor group including at least two types of phosphors emitting a fluorescence having a peak emission wavelength of not less than 601 nm and not more than 670 nm, and a light emitting element emitting a light having a peak emission wavelength at a shorter wavelength side than the peak emission wavelength of the fluorescence emitted from the first phosphor group.Type: ApplicationFiled: November 21, 2017Publication date: August 2, 2018Inventors: Satomi Seki, Daisuke Kato, Tomohiro Miwa, Shigeo Takeda, Shota Shimonishi
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Publication number: 20180158994Abstract: A light emitting device includes a light emitting element that emits a light having a peak emission wavelength in a wavelength range of not less than 410 nm and not more than 425 nm, and a phosphor emitting a fluorescence having a peak at a longer wavelength side than the peak emission wavelength of light emitted from the light emitting element. A general color rendering index Ra of fluorescence emitted from the phosphor is not less than 95. A general color rendering index Ra of mixed light of light emitted from the light emitting element and fluorescence emitted from the phosphor is higher than a general color rendering index Ra of fluorescence emitted from the phosphor. A color rendering index Rf of the mixed light is not less than 96.Type: ApplicationFiled: November 30, 2017Publication date: June 7, 2018Inventors: Shota Shimonishi, Tomohiro Miwa, Satomi Seki, Daisuke Kato, Shigeo Takeda, Shota Yamamori, Yukihiro Demukai, Ikuhiro Oya
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Publication number: 20180090650Abstract: A light emitting device includes a wiring substrate, a light emitting element disposed on a front surface of the wiring substrate, and a conductor pattern formed on a rear surface of the wiring substrate. The conductor pattern includes a slit or a hole that fails to separate the conductor pattern into two parts.Type: ApplicationFiled: July 12, 2017Publication date: March 29, 2018Inventors: Shigeo TAKEDA, Shota Shimonishi, Hideaki Kato, Tomohiro Miwa, Daisuke Kato
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Publication number: 20180090470Abstract: A light emitting device includes a substrate, a plurality of light emitting elements disposed on the substrate, a transparent resin embedded in a space between the plurality of light emitting elements, and a phosphor containing resin layer formed on the plurality of light emitting elements and the transparent resin. The transparent resin includes no phosphor.Type: ApplicationFiled: July 13, 2017Publication date: March 29, 2018Inventors: Tomohiro MIWA, Daisuke KATO, Shigeo TAKEDA, Shota SHIMONISHI, Hideaki KATO
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Publication number: 20180090646Abstract: A light emitting device includes a first light emitting element that outputs a first emitted light having a first peak wavelength, a second light emitting element that outputs a second emitted light having a second peak wavelength, and a phosphor layer including a plurality of phosphors, which is disposed on the first and second light emitting elements. The phosphor layer receives the first and second emitted light and outputs a plurality of emitted light based on the plurality of phosphors so as to form a first synthesized emission spectrum. The second light emitting element includes an emission spectrum to reduce a depth of a deepest dip of at least one dip in a second synthesized emission spectrum that is formed by removing an emission spectrum of the second emitted light from the first synthesized emission spectrum.Type: ApplicationFiled: July 6, 2017Publication date: March 29, 2018Inventors: Daisuke KATO, Tomohiro MIWA, Shigeo TAKEDA, Shota SHIMONISHI, Satomi SEKI
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Patent number: 9741698Abstract: A light-emitting device includes a substrate, a first light-emitting element mounted on the substrate, an annular transparent dam formed on the substrate so as to surround the first light-emitting element, a second light-emitting element that is mounted on the substrate so as to be embedded in an interior of the dam and that has a shorter peak emission wavelength than that of the first light-emitting element, and a sealing material filled inside the dam so as to seal the first light-emitting element.Type: GrantFiled: May 27, 2015Date of Patent: August 22, 2017Assignee: TOYODA GOSEI CO., LTD.Inventors: Shota Shimonishi, Kazuhiro Sakai, Shigeo Takeda, Tomohiro Miwa
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Patent number: 9614137Abstract: A light emitting device includes: a heat dissipative board; a wiring board which adheres and is fixed to the heat dissipative board and in which a through-hole is formed; a light-emitting element which is mounted on a front surface of the heat dissipative board which is exposed through the through-hole of the wiring board; a bonding wire which connects the light-emitting element and the wiring board; and a light-reflecting member which covers a surface of an inner peripheral wall of the through-hole excluding disposition places of the light-emitting element and the bonding wire.Type: GrantFiled: November 10, 2015Date of Patent: April 4, 2017Assignee: TOYODA GOSEI CO., LTD.Inventors: Shota Shimonishi, Shigeo Takeda, Tomohiro Miwa