Patents by Inventor Hirotaka Ueno
Hirotaka Ueno 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: 11933897Abstract: A distance measurement device includes: a mirror disposed so as to be tilted relative to a rotation center axis; a drive unit configured to rotate the mirror about the rotation center axis; a photodetector configured to detect reflected light, of laser light, reflected in a distance measurement region; and a condensing lens disposed on the rotation center axis and configured to condense the reflected light reflected by the mirror, on the photodetector. The mirror has a shape elongated in one direction and is disposed such that a short axis thereof is tilted relative to the rotation center axis in a direction parallel to a plane including the rotation center axis. A width in a short-axis direction of the mirror is smaller than a width of a lens portion of the condensing lens as viewed in a direction parallel to the rotation center axis.Type: GrantFiled: October 1, 2020Date of Patent: March 19, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuhisa Ide, Masaomi Inoue, Hirotaka Ueno, Kouichi Kumamaru, Masahiro Shiihara, Kouichi Bairin, Takashi Haruguchi, Kiyoshi Hibino
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Publication number: 20230417909Abstract: A light emission device includes: a laser light source; an electric storage element for supplying a drive current to the laser light source; a switch element connected in series to the laser light source; and a monitoring circuit configured to monitor temporal change in a voltage of the electric storage element.Type: ApplicationFiled: September 8, 2023Publication date: December 28, 2023Inventors: Kiyoshi MORIMOTO, Hirotaka UENO
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Publication number: 20230408652Abstract: A light emission device includes: a laser light source; an electric storage element for supplying a drive current to the laser light source; a plurality of switch elements connected in series to the laser light source; and an electrical element placed at least between a ground and an input part, for a switch opening/closing signal, of the switch element to which another one of the switch elements is connected on a downstream side, and configured to guide noise having a high level exceeding a voltage level of the switch opening/closing signal, to the ground.Type: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Inventors: Hirotaka Ueno, Kiyoshi Morimoto, Keisuke Kojima
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Patent number: 11024777Abstract: A light source device includes a mounted substrate which is a multi-layered substrate, a semiconductor light-emitting device which emits a laser beam, a wavelength-converting member which radiates fluorescence by being irradiated with the laser beam emitted from the semiconductor light-emitting device as an excitation light, a state detection circuit, an electric field effect type transistor which adjusts an electric current amount applied to the semiconductor light-emitting device upon receipt of an output from the state detection circuit, and an external connecting member, and the semiconductor light-emitting device, the state detection circuit, the transistor, and the external connecting member are mounted on the single mounted substrate.Type: GrantFiled: April 30, 2019Date of Patent: June 1, 2021Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.Inventors: Kazuhiko Yamanaka, Kenichi Matsumoto, Hideo Yamaguchi, Wakahiko Okazaki, Yasuhiko Enami, Taku Kobayashi, Kazuki Adachi, Hirotaka Ueno
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Publication number: 20210141062Abstract: A distance measurement device for measuring a distance to an object that exists in a distance measurement region includes: a light source configured to emit laser light; a lens configured to converge the laser light emitted from the light source, into substantially parallel light; a tubular light blocking member disposed on an optical path of the laser light emitted from the light source and surrounding the optical path; a photodetector configured to detect reflected light, of the laser light, reflected at the distance measurement region; and a condensing lens configured to condense the reflected light passing through the outside of the light blocking member, onto the photodetector.Type: ApplicationFiled: January 20, 2021Publication date: May 13, 2021Inventors: Kiyoshi Hibino, Takashi HARUGUCHI, Masaomi INOUE, Kazuhisa IDE, Masahiro SHIIHARA, Kouichi BAIRIN, Kouichi KUMAMARU, Hirotaka UENO, Hideo YAMAGUCHI
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Publication number: 20210018625Abstract: A distance measurement device includes: a mirror disposed so as to be tilted relative to a rotation center axis; a drive unit configured to rotate the mirror about the rotation center axis; a photodetector configured to detect reflected light, of laser light, reflected in a distance measurement region; and a condensing lens disposed on the rotation center axis and configured to condense the reflected light reflected by the mirror, on the photodetector. The mirror has a shape elongated in one direction and is disposed such that a short axis thereof is tilted relative to the rotation center axis in a direction parallel to a plane including the rotation center axis. A width in a short-axis direction of the mirror is smaller than a width of a lens portion of the condensing lens as viewed in a direction parallel to the rotation center axis.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Inventors: Kazuhisa Ide, Masaomi Inoue, Hirotaka Ueno, Kouichi KUMAMARU, Masahiro SHIIHARA, Kouichi BAIRIN, Takashi HARUGUCHI, Kiyoshi HIBINO
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Patent number: 10865955Abstract: A light emitting device includes a wavelength conversion element, and an excitation light source which radiates excitation light to the wavelength conversion element. The wavelength conversion element includes a support member having a supporting surface, and a wavelength conversion member disposed on the supporting surface so as to be contained within the support member when the support member is viewed from the supporting surface side. An outer peripheral region on the support member, which is an outer peripheral portion of an arrangement region including the wavelength conversion member and is exposed from the wavelength conversion member, includes a light absorbing portion which can absorb first light having same wavelength as the excitation light or a light scattering portion which can scatter the first light. The arrangement region includes a reflective member which is disposed between the wavelength conversion member and the support member, and is different from the support member.Type: GrantFiled: August 13, 2020Date of Patent: December 15, 2020Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.Inventors: Kazuhiko Yamanaka, Hideki Kasugai, Hirotaka Ueno, Kimihiro Murakami
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Publication number: 20200370724Abstract: A light emitting device includes a wavelength conversion element, and an excitation light source which radiates excitation light to the wavelength conversion element. The wavelength conversion element includes a support member having a supporting surface, and a wavelength conversion member disposed on the supporting surface so as to be contained within the support member when the support member is viewed from the supporting surface side. An outer peripheral region on the support member, which is an outer peripheral portion of an arrangement region including the wavelength conversion member and is exposed from the wavelength conversion member, includes a light absorbing portion which can absorb first light having same wavelength as the excitation light or a light scattering portion which can scatter the first light. The arrangement region includes a reflective member which is disposed between the wavelength conversion member and the support member, and is different from the support member.Type: ApplicationFiled: August 13, 2020Publication date: November 26, 2020Inventors: Kazuhiko YAMANAKA, Hideki KASUGAI, Hirotaka UENO, Kimihiro MURAKAMI
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Patent number: 10777711Abstract: A light emitting device includes a wavelength conversion element, and an excitation light source which radiates excitation light to the wavelength conversion element. The wavelength conversion element includes a support member having a supporting surface, and a wavelength conversion member disposed on the supporting surface so as to be contained within the support member when the support member is viewed from the supporting surface side. An outer peripheral region on the support member, which is an outer peripheral portion of an arrangement region including the wavelength conversion member and is exposed from the wavelength conversion member, includes a light absorbing portion which can absorb first light having same wavelength as the excitation light or a light scattering portion which can scatter the first light. The arrangement region includes a reflective member which is disposed between the wavelength conversion member and the support member, and is different from the support member.Type: GrantFiled: April 12, 2018Date of Patent: September 15, 2020Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.Inventors: Kazuhiko Yamanaka, Hideki Kasugai, Hirotaka Ueno, Kimihiro Murakami
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Patent number: 10514158Abstract: A light source device includes: a holder that has a first surface and a second surface located higher than the first surface, and is an integral structure; a semiconductor light-emitting device on the first surface; an optical element unit that is disposed above the semiconductor light-emitting device, and has a reflective surface that inclines with respect to the first surface and reflects emitted light from the semiconductor light-emitting device; and a phosphor optical element that is disposed on the second surface and irradiated with reflected light from the optical element unit.Type: GrantFiled: March 20, 2018Date of Patent: December 24, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masaharu Fukakusa, Hideo Yamaguchi, Hirotaka Ueno, Kazuhiko Yamanaka
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Patent number: 10419694Abstract: An apparatus for imaging an object has a metering image sensor that comprises a plurality of pixels. The plurality of pixels is matrix-arrayed along vertical and horizontal directions. The apparatus also has an image sensor driver that drives the metering image sensor, which reads image-pixel signals of neighboring pixels among the plurality of pixels while mixing the image-pixel signals. The apparatus also has a pixel addition setting processor that sets a number of pixel addition of the metering image sensor with respect to at least one of at least one row and at least one column. The pixel addition setting processor sets different numbers of pixel addition to different pixel areas. The apparatus also has an exposure controller that controls an exposure of the metering image sensor and the photography image sensor.Type: GrantFiled: October 11, 2018Date of Patent: September 17, 2019Assignee: RICOH IMAGING COMPANY, LTD.Inventors: Masakazu Terauchi, Yasuhiro Kazama, Hirotaka Ueno
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Publication number: 20190259917Abstract: A light source device includes a mounted substrate which is a multi-layered substrate, a semiconductor light-emitting device which emits a laser beam, a wavelength-converting member which radiates fluorescence by being irradiated with the laser beam emitted from the semiconductor light-emitting device as an excitation light, a state detection circuit, an electric field effect type transistor which adjusts an electric current amount applied to the semiconductor light-emitting device upon receipt of an output from the state detection circuit, and an external connecting member, and the semiconductor light-emitting device, the state detection circuit, the transistor, and the external connecting member are mounted on the single mounted substrate.Type: ApplicationFiled: April 30, 2019Publication date: August 22, 2019Inventors: Kazuhiko YAMANAKA, Kenichi MATSUMOTO, Hideo YAMAGUCHI, Wakahiko OKAZAKI, Yasuhiko ENAMI, Taku KOBAYASHI, Kazuki ADACHI, Hirotaka UENO
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Publication number: 20190045146Abstract: An apparatus for imaging an object has a metering image sensor that comprises a plurality of pixels. The plurality of pixels is matrix-arrayed along vertical and horizontal directions. The apparatus also has an image sensor driver that drives the metering image sensor, which reads image-pixel signals of neighboring pixels among the plurality of pixels while mixing the image-pixel signals. The apparatus also has a pixel addition setting processor that sets a number of pixel addition of the metering image sensor with respect to at least one of at least one row and at least one column. The pixel addition setting processor sets different numbers of pixel addition to different pixel areas. The apparatus also has an exposure controller that controls an exposure of the metering image sensor and the photography image sensor.Type: ApplicationFiled: October 11, 2018Publication date: February 7, 2019Applicant: RICOH IMAGING COMPANY, LTD.Inventors: Masakazu TERAUCHI, Yasuhiro KAZAMA, Hirotaka UENO
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Publication number: 20180375001Abstract: A light source device includes: a semiconductor light emitting device which emits laser light; a wavelength conversion component which emits fluorescence by being irradiated with the laser light emitted from the semiconductor light emitting device as excitation light; and a photodetector on which a portion of light emitted from the wavelength conversion component is incident. The photodetector is disposed at a location off a light path of usable radiation light which is emitted from the wavelength conversion component to a space and used as illumination light.Type: ApplicationFiled: August 2, 2018Publication date: December 27, 2018Inventors: Hirotaka UENO, Hideo YAMAGUCHI, Masaharu FUKAKUSA, Kazuhiko YAMANAKA
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Publication number: 20180342629Abstract: A wavelength conversion element includes a substrate, a wavelength converting member disposed on at least part of a surface of substrate and having a shape of a plate or film, and a light receiver integrated in the substrate and including a p-n junction composed of a p-type semiconductor and an n-type semiconductor.Type: ApplicationFiled: August 3, 2018Publication date: November 29, 2018Inventors: Kazuhiko YAMANAKA, Hirotaka UENO, Masaharu FUKAKUSA, Toshihiro KOGA
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Patent number: 10136079Abstract: An apparatus for imaging an object has an image sensor that comprises a plurality of pixels. The plurality of pixels is matrix-arrayed along vertical and horizontal directions. The apparatus also has an image sensor driver that drives the image sensor, and the image sensor driver is capable of reading image-pixel signals of neighboring pixels among the plurality of pixels while mixing the image-pixel signals. The apparatus also has a pixel addition setting processor that sets the number of pixel addition with respect to at least one of at least one row and at least one column. The pixel addition setting processor sets different numbers of pixel addition to different pixel areas. The image sensor driver reads the image-pixel signals in response to the set number of pixel addition.Type: GrantFiled: October 30, 2014Date of Patent: November 20, 2018Assignee: RICOH IMAGING COMPANY, LTD.Inventors: Masakazu Terauchi, Yasuhiro Kazama, Hirotaka Ueno
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Publication number: 20180233633Abstract: A light emitting device includes a wavelength conversion element, and an excitation light source which radiates excitation light to the wavelength conversion element. The wavelength conversion element includes a support member having a supporting surface, and a wavelength conversion member disposed on the supporting surface so as to be contained within the support member when the support member is viewed from the supporting surface side. An outer peripheral region on the support member, which is an outer peripheral portion of an arrangement region including the wavelength conversion member and is exposed from the wavelength conversion member, includes a light absorbing portion which can absorb first light having same wavelength as the excitation light or a light scattering portion which can scatter the first light. The arrangement region includes a reflective member which is disposed between the wavelength conversion member and the support member, and is different from the support member.Type: ApplicationFiled: April 12, 2018Publication date: August 16, 2018Inventors: Kazuhiko YAMANAKA, Hideki KASUGAI, Hirotaka UENO, Kimihiro MURAKAMI
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Publication number: 20180216811Abstract: A light source device includes: a holder that has a first surface and a second surface located higher than the first surface, and is an integral structure; a semiconductor light-emitting device on the first surface; an optical element unit that is disposed above the semiconductor light-emitting device, and has a reflective surface that inclines with respect to the first surface and reflects emitted light from the semiconductor light-emitting device; and a phosphor optical element that is disposed on the second surface and irradiated with reflected light from the optical element unit.Type: ApplicationFiled: March 20, 2018Publication date: August 2, 2018Inventors: Masaharu FUKAKUSA, Hideo YAMAGUCHI, Hirotaka UENO, Kazuhiko YAMANAKA
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Patent number: 9456145Abstract: An apparatus for photographing by using an electronic flash has a photography controller that carries out a pre-flash photography by emitting strobe light in a pre-flash exposure period and subsequently carries out a main flash photography by emitting strobe light; and an exposure adjuster that sets at least one exposure value associated with the pre-flash photography and/or the main flash photography. The exposure adjuster sets an aperture value of a diaphragm that suppresses an occurrence of saturation in image-pixel signals that are generated in an image sensor in the pre-flash exposure period. The photography controller drives the diaphragm in accordance to the set aperture value for the pre-flash photography.Type: GrantFiled: June 27, 2014Date of Patent: September 27, 2016Assignee: RICOH IMAGING COMPANY, LTD.Inventor: Hirotaka Ueno
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Publication number: 20150116538Abstract: An apparatus for imaging an object has an image sensor that comprises a plurality of pixels. The plurality of pixels is matrix-arrayed along vertical and horizontal directions. The apparatus also has an image sensor driver that drives the image sensor, and the image sensor driver is capable of reading image-pixel signals of neighboring pixels among the plurality of pixels while mixing the image-pixel signals. The apparatus also has a pixel addition setting processor that sets the number of pixel addition with respect to at least one of at least one row and at least one column. The pixel addition setting processor sets different numbers of pixel addition to different pixel areas. The image sensor driver reads the image-pixel signals in response to the set number of pixel addition.Type: ApplicationFiled: October 30, 2014Publication date: April 30, 2015Applicant: RICOH IMAGING COMPANY, LTD.Inventors: Masakazu TERAUCHI, Yasuhiro KAZAMA, Hirotaka UENO