Patents by Inventor Tomoya Iwahashi
Tomoya Iwahashi 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: 11747653Abstract: A color vision correction filter includes a least one type of dye material and the lowest value of transmittance of the color vision correction filter in a wavelength band ranging from 440 nm to 600 nm, inclusive, is in the range of plus or minus 50 nm of 535 nm.Type: GrantFiled: June 14, 2019Date of Patent: September 5, 2023Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hideki Wada, Tomoya Iwahashi, Kazuyuki Yamae
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Patent number: 11090978Abstract: A tungsten wire according one aspect of the present disclosure includes: a metal wire containing one of tungsten and a tungsten alloy; and a plating layer which covers a surface of the metal wire. The plating layer contains copper.Type: GrantFiled: August 23, 2019Date of Patent: August 17, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tetsuji Shibata, Tomoya Iwahashi, Tomohiro Kanazawa
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Publication number: 20200070583Abstract: A tungsten wire according one aspect of the present disclosure includes: a metal wire containing one of tungsten and a tungsten alloy; and a plating layer which covers a surface of the metal wire. The plating layer contains copper.Type: ApplicationFiled: August 23, 2019Publication date: March 5, 2020Inventors: Tetsuji SHIBATA, Tomoya IWAHASHI, Tomohiro KANAZAWA
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Publication number: 20200004051Abstract: A color vision correction filter includes a least one type of dye material and the lowest value of transmittance of the color vision correction filter in a wavelength band ranging from 440 nm to 600 nm, inclusive, is in the range of plus or minus 50 nm of 535 nm.Type: ApplicationFiled: June 14, 2019Publication date: January 2, 2020Inventors: Hideki WADA, Tomoya IWAHASHI, Kazuyuki YAMAE
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Patent number: 10420954Abstract: A light exposure apparatus emits light which activates the body of the user. The light exposure apparatus includes a blue light source which emits blue light and a red light source which emits red light. The light includes blue light and red light. Blue light has a peak wavelength in a range from 445 nm to 500 nm. Red light has a peak wavelength in a range from 600 nm to 680 nm. The intensity of the peak wavelength of blue light is the strongest in the spectrum of the light, and the intensity of the peak wavelength of red light is the second strongest in the spectrum of the light. The relative intensity of the peak wavelength of the red light with respect to the peak wavelength of the blue light is in a range from 0.1 to 0.5 inclusive.Type: GrantFiled: July 24, 2018Date of Patent: September 24, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Tomoya Iwahashi
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Publication number: 20190041034Abstract: A filter includes a first filter having a recess, and a second filter made of a material different from that of the first filter. The second filter has a housed portion to be housed in the recess of the first filter such that the second filter is removable relative to the first filter. The housed portion of the second filter may correspond to either the entirety or a portion of the second filter. This structure facilitates formation of the filter having a simple structure and implementation of desired light distribution of two or more different light beams.Type: ApplicationFiled: August 1, 2018Publication date: February 7, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Itaru ONISHI, Hideki WADA, Tomoya IWAHASHI
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Publication number: 20190030360Abstract: A light exposure apparatus emits light which activates the body of the user. The light exposure apparatus includes a blue light source which emits blue light and a red light source which emits red light. The light includes blue light and red light. Blue light has a peak wavelength in a range from 445 nm to 500 nm. Red light has a peak wavelength in a range from 600 nm to 680 nm. The intensity of the peak wavelength of blue light is the strongest in the spectrum of the light, and the intensity of the peak wavelength of red light is the second strongest in the spectrum of the light. The relative intensity of the peak wavelength of the red light with respect to the peak wavelength of the blue light is in a range from 0.1 to 0.5 inclusive.Type: ApplicationFiled: July 24, 2018Publication date: January 31, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Tomoya IWAHASHI
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Patent number: 9746145Abstract: A light-emitting device includes a board; and light-emitting element arrays connected in parallel and each including light-emitting elements mounted on the board and connected in series. The light-emitting elements in each of the light-emitting element arrays include one or more red LED chips and one or more blue LED chips. Each of the red LED chips on the board is disposed non-successively to any other one of the red LED chips along a Y direction and along an X direction. The Y direction is parallel to a direction along which the red LED chips included in one of the light emitting arrays including the red LED chip are arranged. The X direction is perpendicular to the Y direction.Type: GrantFiled: March 9, 2015Date of Patent: August 29, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kohji Hiramatsu, Tomoya Iwahashi, Koji Omura, Ran Zheng
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Patent number: 9644802Abstract: Lighting equipment is provided that enables illumination light having a stable FCI to be obtained, without influence from the lighting conditions. To this end, lighting equipment 1 performs control of lighting a first light-emitting element 12a while substantially not lighting a second light-emitting element 12b when a red light-emitting element 12c is lit under first lighting conditions where a peak wavelength of light from the red light-emitting element 12c has a first value, and of lighting the second light-emitting element 12b while substantially not lighting the first light-emitting element 12a when the red light-emitting element 12c is lit under second lighting conditions where the peak wavelength of the light from the red light-emitting element 12c has a second value, the second value being greater than the first value.Type: GrantFiled: October 4, 2013Date of Patent: May 9, 2017Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoko Takei, Kohji Hiramatsu, Tomoya Iwahashi
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Patent number: 9443832Abstract: A light emitting device includes: a substrate; a first light emitting element and a second light emitting element that are mounted above the substrate; and a heat transfer pattern that is formed on the substrate. A rate of decrease in light output with respect to a temperature increase is greater for the second light emitting element than for the first light emitting element. The second light emitting element is mounted above the substrate via the heat transfer pattern, and the first light emitting element is mounted above the substrate without the heat transfer pattern.Type: GrantFiled: January 7, 2015Date of Patent: September 13, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Koji Omura, Tomoya Iwahashi, Kohji Hiramatsu, Ran Zheng
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Publication number: 20160076712Abstract: Light emitting apparatus includes: substrate; red LED chip on substrate; blue LED chip on substrate, blue LED chip being connected in series with red LED chip and having an emission color different from red LED chip; and second sealing member that includes green phosphor and yellow phosphor and seals at least blue LED chip, and light-emission by red LED chip, blue LED chip, green phosphor, and yellow phosphor produces white light.Type: ApplicationFiled: August 19, 2015Publication date: March 17, 2016Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Koji OMURA, Yasuharu UENO, Tomoya IWAHASHI
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Patent number: 9215776Abstract: Lighting equipment 1 is provided that enables illumination light having a stable FCI to be obtained, without influence from the lighting conditions. To this end, a lighting circuit 4 performs control of lighting a first red light source R1 and lighting a white light source W while not lighting or faintly lighting a second red light source R2 under first lighting conditions in which the first red light source R1 is expected to produce red light with a first peak wavelength, and of lighting the second red light source R2 and lighting the white light source W while not lighting or faintly lighting the first red light source R1 under second lighting conditions in which the first red light source R1 is expected to produce the red light with a second peak wavelength that is shifted toward a longer wavelength relative to the first peak wavelength.Type: GrantFiled: October 4, 2013Date of Patent: December 15, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomoya Iwahashi, Kohji Hiramatsu, Naoko Takei
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Publication number: 20150276150Abstract: Lighting equipment is provided that enables illumination light having a stable FCI to be obtained, without influence from the lighting conditions. To this end, lighting equipment 1 performs control of lighting a first light-emitting element 12a while substantially not lighting a second light-emitting element 12b when a red light-emitting element 12c is lit under first lighting conditions where a peak wavelength of light from the red light-emitting element 12c has a first value, and of lighting the second light-emitting element 12b while substantially not lighting the first light-emitting element 12a when the red light-emitting element 12c is lit under second lighting conditions where the peak wavelength of the light from the red light-emitting element 12c has a second value, the second value being greater than the first value.Type: ApplicationFiled: October 4, 2013Publication date: October 1, 2015Inventors: Naoko Takei, Kohji Hiramatsu, Tomoya Iwahashi
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Publication number: 20150260351Abstract: A light-emitting device includes a board; and light-emitting element arrays connected in parallel and each including light-emitting elements mounted on the board and connected in series. The light-emitting elements in each of the light-emitting element arrays include one or more red LED chips and one or more blue LED chips. Each of the red LED chips on the board is disposed non-successively to any other one of the red LED chips along a Y direction and along an X direction. The Y direction is parallel to a direction along which the red LED chips included in one of the light emitting arrays including the red LED chip are arranged. The X direction is perpendicular to the Y direction.Type: ApplicationFiled: March 9, 2015Publication date: September 17, 2015Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kohji HIRAMATSU, Tomoya IWAHASHI, Koji OMURA, Ran ZHENG
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Publication number: 20150263246Abstract: A light-emitting device includes a board; and a first light-emitting element array and a second light-emitting element array connected in parallel and each including light-emitting elements mounted on the board and connected in series. The light-emitting elements includes a red LED chip and a blue LED chip. The red LED chip is sealed with a dot of a first sealant, and the blue LED chip is sealed with a dot of a second sealant which is different from the first sealant.Type: ApplicationFiled: March 10, 2015Publication date: September 17, 2015Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kohji HIRAMATSU, Tomoya IWAHASHI, Koji OMURA, Ran ZHENG
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Publication number: 20150264772Abstract: Lighting equipment 1 is provided that enables illumination light having a stable FCI to be obtained, without influence from the lighting conditions. To this end, a lighting circuit 4 performs control of lighting a first red light source R1 and lighting a white light source W while not lighting or faintly lighting a second red light source R2 under first lighting conditions in which the first red light source R1 is expected to produce red light with a first peak wavelength, and of lighting the second red light source R2 and lighting the white light source W while not lighting or faintly lighting the first red light source R1 under second lighting conditions in which the first red light source R1 is expected to produce the red light with a second peak wavelength that is shifted toward a longer wavelength relative to the first peak wavelength.Type: ApplicationFiled: October 4, 2013Publication date: September 17, 2015Inventors: Tomoya Iwahashi, Kohji Hiramatsu, Naoko Takei
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Publication number: 20150194412Abstract: A light emitting device includes: a substrate; a first light emitting element and a second light emitting element that are mounted above the substrate; and a heat transfer pattern that is formed on the substrate. A rate of decrease in light output with respect to a temperature increase is greater for the second light emitting element than for the first light emitting element.Type: ApplicationFiled: January 7, 2015Publication date: July 9, 2015Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Koji OMURA, Tomoya IWAHASHI, Kohji HIRAMATSU, Ran ZHENG
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Patent number: 9018656Abstract: The light emitting device comprises a mounting substrate and an LED chip which comprises an n-type nitride semiconductor layer, a nitride light emission layer on the n-type nitride semiconductor layer, p-type nitride semiconductor layer on the nitride light emission layer, an anode electrode opposite of the nitride light emission layer from the p-type nitride semiconductor layer, and a cathode electrode on the n-type nitride semiconductor layer. The mounting substrate has a patterned conductor which is connected to the cathode electrode through a bump and also connected to the anode electrode through a bump. The LED chip further comprises one or more dielectric layer between the p-type nitride semiconductor layer and the anode electrode to have an arrangement which resembles an island. The p-type nitride semiconductor layer has a first region which is overlapped with the bump. The dielectric layer is not formed within the first region.Type: GrantFiled: February 23, 2010Date of Patent: April 28, 2015Assignee: Panasonic CorporationInventors: Akihiko Murai, Masaharu Yasuda, Tomoya Iwahashi, Kazuyuki Yamae
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Patent number: 8525204Abstract: A semiconductor light emitting element, including: an n-type semiconductor layer having optical transparency with an emission wavelength of a light emitting layer, the light emitting layer and a p-type semiconductor layer, which are laminated; and a reflection film which is disposed on a side opposite to a surface from which light emitted from the light emitting layer is extracted, wherein the reflection film comprises: a transparent layer having optical transparency with the emission wavelength of the light emitting layer, and a metal layer, which is laminated on the transparent layer on a side opposite to the light emitting layer and is constituted by a metal material having a high reflectance, the transparent layer has a refractive index lower than a refractive index of a layer disposed on a side of the light emitting layer when viewed from the transparent layer, with the emission wavelength, and a thickness of the transparent layer is equal to or more than a value obtained by dividing a value of ¾ of theType: GrantFiled: March 25, 2009Date of Patent: September 3, 2013Assignee: Panasonic CorporationInventors: Hiroshi Fukshima, Kazuyuki Yamae, Masaharu Yasuda, Tomoya Iwahashi, Akihiko Murai
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Patent number: 8399272Abstract: A method of manufacturing the semiconductor light emitting element comprises a semiconductor layer forming step of forming the multilayered nitride semiconductor layer on the first wafer having a transparent property; a bonding step of bonding the multilayered nitride semiconductor layer to the first wafer; a groove forming step of forming the groove extending from the lower surface of the first wafer to the multilayered nitride semiconductor layer; a light applying step of applying a first light to the lower surface of the multilayered nitride semiconductor layer through the first wafer to reduce a bonding force between the multilayered nitride semiconductor layer and the first wafer; a separating step of separating the first wafer from the multilayered nitride semiconductor layer; and a cutting step of cutting the second wafer along the groove to divide into a plurality of the semiconductor light emitting element.Type: GrantFiled: October 27, 2009Date of Patent: March 19, 2013Assignee: Panasonic CorporationInventors: Kazuyuki Yamae, Hiroshi Fukshima, Masaharu Yasuda, Tomoya Iwahashi, Hidenori Kamei, Syuusaku Maeda