Patents by Inventor Hiroyuki Hotta
Hiroyuki Hotta 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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Publication number: 20230408700Abstract: An optical distance-measuring device includes: a light emitter having plural light-emitting areas that are arrayed in a first direction; an optical system provided at a position toward which the light emitter emits light, the optical system causing light beams respectively emitted from the plural light-emitting areas to be deflected in respectively different directions; and a detector including plural detecting elements configured to detect a reflection of light outgoing from the optical system. Detecting directions of some of the plural detecting elements are different from detecting directions of others of the plural detecting elements in the first direction.Type: ApplicationFiled: November 7, 2022Publication date: December 21, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Kazuhiro SAKAI, Hiroyuki HOTTA, Kei TAKEYAMA, Shigetoshi NAKAMURA, Yoshihiro YAMAMOTO, Junichiro HAYAKAWA
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Publication number: 20230411558Abstract: A light emitting device includes: a light emitting part having multiple light emitting regions arranged along a first direction; and an optical system that is disposed on a light-exit side of the light emitting part and that deflects light emitted from the multiple light emitting regions in different directions, the optical system being configured such that a light exit angle in a second direction, which intersects the first direction, is smaller than the light exit angle in the first direction.Type: ApplicationFiled: November 1, 2022Publication date: December 21, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Shigetoshi NAKAMURA, Kazuhiro SAKAI, Hiroyuki HOTTA, Kei TAKEYAMA, Yoshihiro YAMAMOTO, Junichiro HAYAKAWA
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Publication number: 20230324517Abstract: An irradiation device includes a light source that performs irradiation with light, a refraction portion that has a curved region and is arranged at a position at which the curved region is directly irradiated with the light from the light source, and refracts the light of the irradiation from the light source, and a light reception portion that is arranged at a position, which is adjacent to the light source and at which reflective light reflected by the curved region after the irradiation from the light source is received, and that receives the reflective light.Type: ApplicationFiled: August 8, 2022Publication date: October 12, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Hiroyuki HOTTA, Junichiro HAYAKAWA, Tomoaki SAKITA
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Publication number: 20230082823Abstract: An axis-misalignment estimation device estimates an axis-misalignment angle of a radar device mounted to a moving object. The axis-misalignment estimation device estimates the axis-misalignment angle using a plurality of different axis-misalignment angle estimation methods based on detection results of the radar device. The axis-misalignment estimation device determines whether a predefined employment condition is met, based on a plurality of axis-misalignment angle estimates estimated using respective ones of the plurality of axis-misalignment angle estimation methods. In response to determining that the employment condition is met, the axis-misalignment estimation device employs at least one of the plurality of axis-misalignment angle estimates.Type: ApplicationFiled: November 14, 2022Publication date: March 16, 2023Inventors: Koichi SATO, Hiroyuki HOTTA, Hiroto NAKATANI, Yuuji KATOU
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Publication number: 20230074625Abstract: An axial displacement estimation device estimates an axial displacement angle of a radar apparatus mounted on a mobile body. The axial displacement estimation device uses a plurality of detection values acquired by mutually different plurality of modulation methods to estimate an axial displacement angle for each of the plurality of modulation methods. The axial displacement estimation device determines whether a predetermined allowable condition is met based on a plurality of axial displacement angle estimation results estimated using a plurality of detection values corresponding to respective plurality of modulation methods. The axial displacement estimation device utilizes at least one of a plurality of axial displacement angle estimation results when determined that the predetermined allowable condition is met.Type: ApplicationFiled: November 11, 2022Publication date: March 9, 2023Inventors: Hiroyuki HOTTA, Koichi SATO, Hiroto NAKATANI, Yuuji KATOU, Ichiro AIZAWA, Naoki SUGIMOTO, Takahiro KOHARA
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Publication number: 20230073814Abstract: An axial displacement angle estimation device repeatedly calculates an axial displacement angle based on the detection result of the radar apparatus. The axial displacement angle estimation device extracts the axial displacement angle included in a predetermined extraction angle range among a plurality of axial displacement angles, and calculate an average value of the extracted plurality of axial displacement angles to be an axial displacement angle average value. The axial displacement angle estimation device determines, based on the axial displacement angle average value, whether a predetermined allowable condition is met. The axial displacement angle estimation device utilizes, when determined that the predetermined allowable condition is met, the axial displacement angle average value as an estimation result of the axial displacement angle.Type: ApplicationFiled: November 10, 2022Publication date: March 9, 2023Inventors: Hiroyuki HOTTA, Koichi SATO, Hiroto NAKATANI, Yuuji KATOU
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Publication number: 20230061836Abstract: An axial displacement angle estimation device repeatedly calculates an axial displacement angle based on the detection result of the radar apparatus. The axial displacement angle estimation device extracts the axial displacement angle included in a predetermined extraction angle range among a plurality of axial displacement angles, and calculate an average value and a median value of the extracted plurality of axial displacement angles to be an axial displacement angle average value and an axial displacement median value. The axial displacement angle estimation device determines, based on the axial displacement angle average value and the axial displacement angle median value, whether a predetermined allowable condition is met. The axial displacement angle estimation device utilizes, when determined that the predetermined allowable condition is met, the axial displacement angle average value as an estimation result of the axial displacement angle.Type: ApplicationFiled: November 10, 2022Publication date: March 2, 2023Inventors: Hiroyuki HOTTA, Koichi SATO, Hiroto NAKATANI, Yuuji KATOU
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Patent number: 10101199Abstract: An inspection apparatus includes a light emitting unit, a first lens, an aperture unit, a second lens, a light receiving unit, and an inspection unit. The light emitting unit emits irradiation light to an object to be inspected. The first lens changes a divergence level of the irradiation light which is emitted from the light emitting unit and is transmitted through the first lens. The aperture unit has an opening which narrows the irradiation light transmitted through the first lens. The second lens condenses the irradiation light passing through the opening, toward the object. The light receiving unit is disposed between the aperture unit and the second lens. The light receiving unit includes plural light receiving elements which receives reflected light obtained by the irradiation light being emitted to the object and then being transmitted through the second lens.Type: GrantFiled: February 10, 2017Date of Patent: October 16, 2018Assignee: FUJI XEROX CO., LTD.Inventor: Hiroyuki Hotta
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Patent number: 10031088Abstract: A measurement apparatus includes: plural light emitting units that generate irradiation light to be emitted to an object; a light receiving unit that receives reflected light of the irradiation light that is projected to the object and reflected, and outputs a reflected light amount; a moving unit that performs a relative movement so as to cause the object and the irradiation light to move relative to each other; and a controller that performs a control to execute a first measurement and a second measurement.Type: GrantFiled: April 20, 2017Date of Patent: July 24, 2018Assignee: FUJI XEROX CO., LTD.Inventor: Hiroyuki Hotta
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Patent number: 9989461Abstract: A measuring device includes a light-emitting unit that radiates light onto an object, a first lens that changes a divergence degree of the light, a diaphragm having an aperture that reduces a diameter of the light, a second lens that converges and radiates the light onto the object, a light-receiving unit that receives at least part of the light that has been reflected by the object and that has passed through the second lens, a measuring unit that measures the object by using results related to the light-receiving unit, a reflector whose angle with respect to the light is adjustable, and a correction unit that varies a light-receiving position on the light-receiving unit by varying the reflector's angle and corrects a light amount of the light-emitting unit and a sensitivity of the light-receiving unit by using results obtained at each light-receiving position.Type: GrantFiled: July 1, 2016Date of Patent: June 5, 2018Assignee: FUJI XEROX CO., LTD.Inventor: Hiroyuki Hotta
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Patent number: 9941574Abstract: According to one embodiment, an electronic apparatus includes a housing having a conductive portion in at least a part of the housing, a component which is accommodated in the housing and emits noise, an antenna which overlaps the component in a thickness direction of the housing, and a conductive member which electrically connects a ground of the antenna and the conductive portion of the housing.Type: GrantFiled: February 10, 2015Date of Patent: April 10, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Hiroyuki Hotta, Koichi Sato, Hiroaki Hirao, Naoki Tani
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Publication number: 20180010904Abstract: A measurement apparatus includes: a light emitting unit that projects irradiation light to an object; a first lens that changes a divergence degree of the irradiation light; an aperture stop unit that stops down the irradiation light projected from the first lens; a second lens that condenses the irradiation light passing through the aperture stop unit and projects the irradiation light to the object in a first direction; a transmission unit that is provided in a focal plane of the second lens and transmits therethrough a part of reflected light; a first light receiving unit that includes a light receiving surface that receives the part of the reflected light transmitted through the transmission unit; and a measurement unit that measures a height of a surface of the object by using a position of the part of the reflected light on the light receiving surface.Type: ApplicationFiled: April 19, 2017Publication date: January 11, 2018Applicant: FUJI XEROX CO., LTD.Inventor: Hiroyuki HOTTA
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Patent number: 9863757Abstract: A measurement apparatus includes: a light emitting unit that projects irradiation light to an object; a first lens that changes a divergence degree of the irradiation light; an aperture stop unit that stops down the irradiation light projected from the first lens; a second lens that condenses the irradiation light passing through the aperture stop unit and projects the irradiation light to the object in a first direction; a transmission unit that is provided in a focal plane of the second lens and transmits therethrough a part of reflected light; a first light receiving unit that includes a light receiving surface that receives the part of the reflected light transmitted through the transmission unit; and a measurement unit that measures a height of a surface of the object by using a position of the part of the reflected light on the light receiving surface.Type: GrantFiled: April 19, 2017Date of Patent: January 9, 2018Assignee: FUJI XEROX CO., LTD.Inventor: Hiroyuki Hotta
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Publication number: 20170356852Abstract: A measurement apparatus includes: plural light emitting units that generate irradiation light to be emitted to an object; a light receiving unit that receives reflected light of the irradiation light that is projected to the object and reflected, and outputs a reflected light amount; a moving unit that performs a relative movement so as to cause the object and the irradiation light to move relative to each other; ant a controller that performs a control to execute a first measurement and a second measurement.Type: ApplicationFiled: April 20, 2017Publication date: December 14, 2017Applicant: FUJI XEROX CO., LTD.Inventor: Hiroyuki HOTTA
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Publication number: 20170268925Abstract: An inspection apparatus includes a light emitting unit, a first lens, an aperture unit, a second lens, a light receiving unit, and an inspection unit. The light emitting unit emits irradiation light to an object to be inspected. The first lens changes a divergence level of the irradiation light which is emitted from the light emitting unit and is transmitted through the first lens. The aperture unit has an opening which narrows the irradiation light transmitted through the first lens. The second lens condenses the irradiation light passing through the opening, toward the object. The light receiving unit is disposed between the aperture unit and the second lens. The light receiving unit includes plural light receiving elements which receives reflected light obtained by the irradiation light being emitted to the object and then being transmitted through the second lens.Type: ApplicationFiled: February 10, 2017Publication date: September 21, 2017Applicant: FUJI XEROX CO., LTD.Inventor: Hiroyuki HOTTA
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Patent number: 9577339Abstract: According to one embodiment, an antenna device includes a first antenna, a second antenna, a third antenna, a capacitor element, a high-frequency cable, and a base member. The first antenna includes a folded-type monopole element. The second antenna includes a monopole element. The third antenna includes a passive element. The capacitor element is between a feeding point and a stub in a backward-path portion of the first antenna. The high-frequency cable is connected to the feeding point. The base member is formed of a dielectric material and has first, second, and third surfaces located to extend in different directions. The first, second, and third antenna are located at the first, second, and third surfaces.Type: GrantFiled: December 18, 2013Date of Patent: February 21, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Ippei Kashiwagi, Koichi Sato, Hiroyuki Hotta
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Publication number: 20170045447Abstract: A measuring device includes a light-emitting unit that radiates light onto an object, a first lens that changes a divergence degree of the light, a diaphragm having an aperture that reduces a diameter of the light, a second lens that converges and radiates the light onto the object, a light-receiving unit that receives at least part of the light that has been reflected by the object and that has passed through the second lens, a measuring unit that measures the object by using results related to the light-receiving unit, a reflector whose angle with respect to the light is adjustable, and a correction unit that varies a light-receiving position on the light-receiving unit by varying the reflector's angle and corrects a light amount of the light-emitting unit and a sensitivity of the light-receiving unit by using results obtained at each light-receiving position.Type: ApplicationFiled: July 1, 2016Publication date: February 16, 2017Applicant: FUJI XEROX CO., LTD.Inventor: Hiroyuki HOTTA
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Patent number: 9400342Abstract: A detection apparatus includes: plural light emitting sections that are disposed in a row and that emit parallel light to a passage region, over which an object passes, in a time-staggered manner; one or more light receiving sections that receive the parallel light reflected by or having transmitted through the object, a number of the light receiving sections being less than a number of the light emitting sections; and a detection section that detects at least one of edges of the object and edges of a portion of the object with a different reflectivity or transmittance in accordance with an intensity distribution of the parallel light received by the light receiving sections.Type: GrantFiled: April 25, 2013Date of Patent: July 26, 2016Assignee: FUJI XEROX CO., LTD.Inventors: Hiroyuki Hotta, Hideo Nakayama
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Patent number: 9329025Abstract: Provided is a measuring device including a photoelectric conversion unit that receives a light beam emitted from a position measurement object by different optical path lengths and that outputs an electrical signal corresponding to intensity of the received light beam for each optical path length, and a measuring unit that measures a position of the position measurement object based on a ratio of two electrical signals out of the electrical signals by optical path lengths acquired from the photoelectric conversion unit.Type: GrantFiled: March 10, 2014Date of Patent: May 3, 2016Assignee: FUJI XEROX CO., LTD.Inventor: Hiroyuki Hotta
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Patent number: D1002465Type: GrantFiled: June 7, 2022Date of Patent: October 24, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Wataru Murayama, Hiroyuki Hotta