Patents by Inventor Yoshihisa Sato
Yoshihisa Sato 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: 12115773Abstract: A conveying unit conveys a medium by moving a glue belt. The conveying unit includes a vapor application unit and a cleaning unit. The vapor application unit applies heated vapor to a front surface of the glue belt separated from the medium. The cleaning unit cleans the front surface to which the vapor is applied by the vapor application unit.Type: GrantFiled: February 27, 2023Date of Patent: October 15, 2024Assignee: Seiko Epson CorporationInventors: Shuhei Nishizawa, Koji Sato, Yoshihisa Horikawa
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Patent number: 12053993Abstract: A transport device includes a transporting belt having a support face configured to support a medium and configured to transport the medium, a device main body in which the transporting belt is provided, and a cleaning unit configured to clean the support face with a liquid. The cleaning unit includes a storage unit in which the liquid is stored, a flow path member through which the liquid discharged from the storage unit and returned to the storage unit passes, and a filter unit detachably provided to the flow path member. Here, the filter unit is configured to be pulled out in a direction away from the device main body.Type: GrantFiled: December 22, 2021Date of Patent: August 6, 2024Assignee: Seiko Epson CorporationInventors: Koji Sato, Yoshihisa Horikawa
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Publication number: 20240201708Abstract: In order to determine a route for avoiding collision of a movable apparatus, a different movable apparatus as a target of collision is determined, different movable apparatus information that includes at least one of shape information, a current state, a performance, information regarding a task that is being performed of the different movable apparatus, and information regarding a route along which the different movable apparatus is moving is acquired, own movable apparatus information that is information regarding an own movable apparatus corresponding at least to the different movable apparatus information is acquired, a change rate of the route is acquired on the basis of the different movable apparatus information and the own movable apparatus information, and a moving route to be changed is determined on the basis of the change rate of the route.Type: ApplicationFiled: December 6, 2023Publication date: June 20, 2024Inventor: YOSHIHISA SATO
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Patent number: 11865829Abstract: There is provided a functional element that includes a first substrate, a second substrate disposed to face the first substrate, and a buffer layer provided between the first substrate and the second substrate. The buffer layer has, in a layer thereof, a distribution of concentration of a metallic element. The distribution changes in a film thickness direction.Type: GrantFiled: December 26, 2018Date of Patent: January 9, 2024Assignees: SONY CORPORATION, TOHOKU UNIVERSITYInventors: Yoshihisa Sato, Gen Yonezawa, Shohei Abe, Yuichi Takahashi, Takehito Shimatsu, Miyuki Uomoto
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Patent number: 11443705Abstract: Provided is a device that displays a moving image with high dynamic range. A control unit controls drive of at least one of a light source unit, a phase modulation unit, or an intensity modulation unit in accordance with an image signal. The light source unit applies first illumination light to a phase modulation panel of the phase modulation unit, which modulates a phase of the first illumination light applied from the light source unit, divides second illumination light for each predetermined phase modulation pixel group of the phase modulation panel, and applies the second illumination light to the intensity modulation panel for each predetermined intensity modulation pixel group of the intensity modulation panel, and the intensity modulation panel modulates an intensity of the second illumination light applied from the phase modulation panel.Type: GrantFiled: November 6, 2019Date of Patent: September 13, 2022Assignee: SONY GROUP CORPORATIONInventors: Yoshihisa Sato, Takahiro Mochizuki
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Patent number: 11303860Abstract: A projection display unit includes a first spatial light modulator that first light enters; and an integrator optical system that second light and light passing through the first spatial light modulator enter.Type: GrantFiled: June 13, 2017Date of Patent: April 12, 2022Assignee: SONY CORPORATIONInventor: Yoshihisa Sato
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Publication number: 20220005424Abstract: Provided is a device that displays a moving image with high dynamic range. A control unit controls drive of at least one of a light source unit, a phase modulation unit, or an intensity modulation unit in accordance with an image signal. The light source unit applies first illumination light to a phase modulation panel of the phase modulation unit, which modulates a phase of the first illumination light applied from the light source unit, divides second illumination light for each predetermined phase modulation pixel group of the phase modulation panel, and applies the second illumination light to the intensity modulation panel for each predetermined intensity modulation pixel group of the intensity modulation panel, and the intensity modulation panel modulates an intensity of the second illumination light applied from the phase modulation panel.Type: ApplicationFiled: November 6, 2019Publication date: January 6, 2022Applicant: SONY GROUP CORPORATIONInventors: Yoshihisa SATO, Takahiro MOCHIZUKI
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Publication number: 20210374147Abstract: A candidate data determination unit acquires a result of estimation of a score representing a likelihood of a label being added as an annotation to target data. A label candidate input unit receives designation of a candidate label from a user. The candidate data determination unit determines candidate data, from a plurality of pieces of labeled data included in a feature space, the candidate data representing a plurality of pieces of labeled data distributed in respective quadrants into which the feature space is divided, wherein the label is added to the labeled data as the annotation, and wherein the feature space is defined using the score, which represents a likelihood of a label being added as an annotation, as an axis. The candidate data determination unit determines, for each of the plurality of quadrants, candidate data based on the labeled data included in each of the plurality of quadrants.Type: ApplicationFiled: May 26, 2021Publication date: December 2, 2021Inventor: Yoshihisa Sato
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Patent number: 11156849Abstract: An illumination unit of the present disclosure includes an excitation light source, a phosphor section, an excitation-light intensity distribution generation section, and an illumination optical system. The excitation light source emits excitation light. The phosphor section includes a fluorescent light-emission surface that performs fluorescent light emission in response to receiving of the excitation light. The excitation-light intensity distribution generation section is provided between the excitation light source and the phosphor section, and varies an intensity distribution of the excitation light to bring the intensity distribution of the excitation light closer to a desired excitation-light intensity distribution on the fluorescent light-emission surface. The illumination optical system generates, on the basis of light derived from the fluorescent light emission from the phosphor section, illumination light with which an image display device is to be irradiated.Type: GrantFiled: November 8, 2018Date of Patent: October 26, 2021Assignee: SONY CORPORATIONInventors: Izushi Kobayashi, Yoshihisa Sato
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Publication number: 20210286249Abstract: A projection-type display apparatus including one or more light sources that emit pieces of light of first to third wavelength bands; first to third light modulation devices that modulate corresponding one of the pieces of light of the first to third wavelength bands; a color synthesis device that has a characteristic of reflecting or transmitting both S-polarized light and P-polarized light for the light of the first wavelength band, and reflecting the S-polarized light and transmitting the P-polarized light for the pieces of light of the second and third wavelength bands, and that synthesizes the pieces of light of the wavelength bands emitted from the first to third light modulation devices; and a projection optical system that projects the light synthesized by the color synthesis device, and full width at half maximum of a spectrum of the light of the first wavelength band that enters the color synthesis device is 40 nm or lower.Type: ApplicationFiled: July 27, 2017Publication date: September 16, 2021Inventors: YOSHIHISA SATO, HIROYUKI YANAGISAWA
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Patent number: 11036122Abstract: A phase modulation data generating unit according to the present disclosure includes: a first calculating section; and a storage section. The first calculating section calculates basic phase modulation pattern data on the basis of a partial illumination image pattern that makes it possible to generate an intended illumination image pattern having a desired luminance distribution. The basic phase modulation pattern data makes it possible for a light phase modulation device to reconstruct the partial illumination image pattern. The storage section stores the basic phase modulation pattern data calculated by the first calculating section.Type: GrantFiled: April 13, 2018Date of Patent: June 15, 2021Assignee: SONY CORPORATIONInventors: Kenichi Fukui, Yoshihisa Sato
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Patent number: 10865950Abstract: A light source unit includes a substrate that is rotatable, a phosphor layer disposed at a center of the substrate, a light source that irradiates the phosphor layer with exciting light, and a support section that supports a portion, of the substrate, except for the center of the substrate. This makes it difficult for heat generated in the phosphor layer to travel to a motor through the substrate.Type: GrantFiled: July 26, 2019Date of Patent: December 15, 2020Assignee: SONY CORPORATIONInventors: Masahiro Ishige, Izushi Kobayashi, Yoshihisa Sato, Hiroki Morita
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Publication number: 20200369000Abstract: A functional element according to an embodiment of the present disclosure includes: a first substrate; a second substrate disposed to face the first substrate; and a buffer layer provided between the first substrate and the second substrate. The buffer layer has, in a layer thereof, a distribution of concentration of a metallic element. The distribution changes in a film thickness direction.Type: ApplicationFiled: December 26, 2018Publication date: November 26, 2020Inventors: YOSHIHISA SATO, GEN YONEZAWA, SHOHEI ABE, YUICHI TAKAHASHI, TAKEHITO SHIMATSU, MIYUKI UOMOTO
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Publication number: 20200372844Abstract: An illumination unit of the present disclosure includes an excitation light source, a phosphor section, an excitation-light intensity distribution generation section, and an illumination optical system. The excitation light source emits excitation light. The phosphor section includes a fluorescent light-emission surface that performs fluorescent light emission in response to receiving of the excitation light. The excitation-light intensity distribution generation section is provided between the excitation light source and the phosphor section, and varies an intensity distribution of the excitation light to bring the intensity distribution of the excitation light closer to a desired excitation-light intensity distribution on the fluorescent light-emission surface. The illumination optical system generates, on the basis of light derived from the fluorescent light emission from the phosphor section, illumination light with which an image display device is to be irradiated.Type: ApplicationFiled: November 8, 2018Publication date: November 26, 2020Inventors: IZUSHI KOBAYASHI, YOSHIHISA SATO
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Patent number: 10708558Abstract: A lighting apparatus according to the disclosure includes: a light source; a phase modulation liquid crystal panel that includes a plurality of pixels, the phase modulation liquid crystal panel modulating a phase of light from the light source for each of the pixels; a modulation signal corrector that performs signal correction that corrects a pixel modulation signal for a target pixel among the plurality of pixels on the basis of a pixel modulation signal for at least one peripheral pixel that is located around the target pixel to reduce a deviation amount relative to a desired amount of modulation for the target pixel; and an application voltage generator that generates an application voltage to be applied to each of the pixels on the basis of the pixel modulation signal having been corrected by the modulation signal corrector.Type: GrantFiled: February 20, 2018Date of Patent: July 7, 2020Assignee: SONY CORPORATIONInventor: Yoshihisa Sato
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Patent number: 10701327Abstract: A first projection display apparatus includes a color separator (41A) that has first and second incident surfaces (S1a and S1b), and allows light in first to third wavelength bands to pass therethrough or reflects the light in the first to third wavelength bands; first to third reflective light modulators (15); a first polarization splitter (12G); a second polarization splitter (12RB); and a projection optical system (19). Light in at least one of the first to third wavelength bands enters the first incident surface of the color separator as first polarized light, and light in the other wavelength bands enters the second incident surface of the color separator as second polarized light orthogonal to the first polarized light.Type: GrantFiled: August 31, 2018Date of Patent: June 30, 2020Assignee: SONY CORPORATIONInventors: Yoshihisa Sato, Hiroyuki Yanagisawa, Masa Tanaka, Ryo Miyao
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Publication number: 20200183260Abstract: A phase modulation data generating unit according to the present disclosure includes: a first calculating section; and a storage section. The first calculating section calculates basic phase modulation pattern data on the basis of a partial illumination image pattern that makes it possible to generate an intended illumination image pattern having a desired luminance distribution. The basic phase modulation pattern data makes it possible for a light phase modulation device to reconstruct the partial illumination image pattern. The storage section stores the basic phase modulation pattern data calculated by the first calculating section.Type: ApplicationFiled: April 13, 2018Publication date: June 11, 2020Inventors: KENICHI FUKUI, YOSHIHISA SATO
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Publication number: 20200014890Abstract: A lighting apparatus according to the disclosure includes: a light source; a phase modulation liquid crystal panel that includes a plurality of pixels, the phase modulation liquid crystal panel modulating a phase of light from the light source for each of the pixels; a modulation signal corrector that performs signal correction that corrects a pixel modulation signal for a target pixel among the plurality of pixels on the basis of a pixel modulation signal for at least one peripheral pixel that is located around the target pixel to reduce a deviation amount relative to a desired amount of modulation for the target pixel; and an application voltage generator that generates an application voltage to be applied to each of the pixels on the basis of the pixel modulation signal having been corrected by the modulation signal corrector.Type: ApplicationFiled: February 20, 2018Publication date: January 9, 2020Inventor: YOSHIHISA SATO
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Publication number: 20190346092Abstract: A light source unit according to an embodiment of the disclosure includes a substrate configured to be rotatable, a phosphor layer disposed at a center of the substrate, a light source that irradiates the phosphor layer with exciting light, and a support section that supports a portion, of the substrate, except for the center of the substrate. This makes it difficult for heat generated in the phosphor layer to travel to a motor through the substrate.Type: ApplicationFiled: July 26, 2019Publication date: November 14, 2019Inventors: MASAHIRO ISHIGE, IZUSHI KOBAYASHI, YOSHIHISA SATO, HIROKI MORITA
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Patent number: 10415772Abstract: A light source unit according to an embodiment of the disclosure includes a substrate configured to be rotatable, a phosphor layer disposed at a center of the substrate, a light source that irradiates the phosphor layer with exciting light, and a support section that supports a portion, of the substrate, except for the center of the substrate. This makes it difficult for heat generated in the phosphor layer to travel to a motor through the substrate.Type: GrantFiled: April 20, 2016Date of Patent: September 17, 2019Assignee: SONY CORPORATIONInventors: Masahiro Ishige, Izushi Kobayashi, Yoshihisa Sato, Hiroki Morita