Patents by Inventor Akira Sano

Akira Sano 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).

  • Patent number: 10975497
    Abstract: A light emitting device includes a laser diode that emits a blue light, and a wavelength conversion part that absorbs a part of light emitted from the laser diode and converts a wavelength thereof. The wavelength conversion part includes a YAG-based single crystal phosphor. Irradiance of light emitted from the laser diode and irradiated on the wavelength conversion part is not less than 80 W/mm2.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: April 13, 2021
    Assignees: Tamura Corporation, Koha Co., Ltd.
    Inventors: Mikihiko Uwani, Akira Ito, Hiroyuki Sawano, Kentaro Tone, Hiroaki Sano, Daisuke Inomata, Kazuyuki Iizuka
  • Publication number: 20210098536
    Abstract: The present invention provides a light-emitting device including a substrate, a first EL element, and a second EL element, the first EL element and the second EL element each including a lower electrode, an organic compound layer including a light-emitting layer, an upper electrode, and a color filter in this order from the substrate, and an insulating layer that covers an end portion of the lower electrode. A first color filter of the first EL element and a second color filter of the second EL element overlap each other when viewed in plan in an overlapping region, and an inclined portion closest to the first EL element among inclined portions of the insulating layer of the second EL element and the overlapping region overlap each other when viewed in plan.
    Type: Application
    Filed: December 10, 2020
    Publication date: April 1, 2021
    Inventors: Tetsuo Takahashi, Koji Ishizuya, Norifumi Kajimoto, Hiroaki Sano, Akira Okita, Etsuro Kishi, Masaki Kurihara, Daisuke Shimoyama
  • Publication number: 20210059630
    Abstract: This X-ray imaging apparatus (100) includes a rotation mechanism (8) for relatively rotating an imaging system (200) constituted by an X-ray source (1), a detector (5), a first grating (2) and a second grating (3), and an image processing unit (6) for generating a dark-field image based on an X-ray intensity distribution at each of a plurality of rotation angles. The image processing unit (6) is configured to perform a scattering correction for reducing a dark-field signal of a pixel whose dark-field signal is larger than a threshold value (V1) among a plurality of pieces of pixels in the dark-field image to a set value (V2).
    Type: Application
    Filed: November 6, 2018
    Publication date: March 4, 2021
    Inventors: Satoshi SANO, Kenji KIMURA, Taro SHIRAI, Takahiro DOKI, Akira HORIBA, Naoki MORIMOTO
  • Patent number: 10921503
    Abstract: A wavelength variable interference filter includes: a first substrate on which a first reflection film is formed; and a second substrate that includes a movable portion on which a second reflection film facing the first reflection film is formed and a holding portion surrounding an outer circumference of the movable portion and holding the movable portion so that the movable portion is displaceable in a thickness direction of the second reflection film. The movable portion has long and short sides in a plan view. The holding portion includes a long-side holding portion formed along the long side and a short-side holding portion formed along the short side. The rigidity of the short-side holding portion is lower than the rigidity of the long-side holding portion.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: February 16, 2021
    Inventor: Akira Sano
  • Patent number: 10906311
    Abstract: A flow path formation substrate to which a nozzle plate is mounted includes a pressure chamber per nozzle, an individual supply path leading to the pressure chamber, an individual recovery path communicating with a flow channel near the nozzle. A conduction unit electrically coupled through a lead electrode to a pressure generator causing a pressure of the pressure chamber to vary is located at a position where the conduction unit overlaps with a flow path area of at least one individual flow path of the individual supply path or the individual recovery path in a plan view from a lamination direction in which the nozzle plate and the flow path formation substrate are laminated.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: February 2, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Yuma Fukuzawa, Motoki Takabe, Shunsuke Watanabe, Akira Miyagishi, Shunya Fukuda, Junichi Sano
  • Patent number: 10901200
    Abstract: A wavelength tunable interference filter includes a movable section having a mirror region that faces a first mirror in a first direction and an electrode so provided in a region outside the mirror region in a plan view viewed in the first direction as to surround the mirror region along the circumferential direction thereof, the electrode configured to displace the movable section in the first direction when voltage is applied to the electrode, and the width of the electrode in the plan view varies in the circumferential direction.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: January 26, 2021
    Inventor: Akira Sano
  • Publication number: 20210015437
    Abstract: In an X-ray imaging apparatus an image processor is configured to generate a phase contrast image based on a plurality of first images acquired by a first detection region (R1) at a plurality of relative positions of the first detection region with respect to a subject (T) to be imaged, and to generate an absorption image based on a plurality of second images acquired by a second detection region (R2) at a plurality of relative positions of the second detection region with respect to the subject.
    Type: Application
    Filed: November 8, 2018
    Publication date: January 21, 2021
    Applicant: Shimadzu Corporation
    Inventors: Koichi TANABE, Yukihisa WADA, Satoshi TOKUDA, Satoshi SANO, Akira HORIBA
  • Patent number: 10896934
    Abstract: The present invention provides a light-emitting device including a substrate, a first EL element, and a second EL element, the first EL element and the second EL element each including a lower electrode, an organic compound layer including a light-emitting layer, an upper electrode, and a color filter in this order from the substrate, and an insulating layer that covers an end portion of the lower electrode. A first color filter of the first EL element and a second color filter of the second EL element overlap each other when viewed in plan in an overlapping region, and an inclined portion closest to the first EL element among inclined portions of the insulating layer of the second EL element and the overlapping region overlap each other when viewed in plan.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: January 19, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuo Takahashi, Koji Ishizuya, Norifumi Kajimoto, Hiroaki Sano, Akira Okita, Etsuro Kishi, Masaki Kurihara, Daisuke Shimoyama
  • Patent number: 10863958
    Abstract: This X-ray phase difference imaging system (100) includes an X-ray source (1), a plurality of gratings, a detector (4), and an image processor (6), in which the image processor (6) is configured to correct an artifact of a second phase contrast image (10b) that is reconstructed by using a first X-ray image (9a) and a third X-ray image (9c), on the basis of a first phase contrast image (10a) that is reconstructed by using the first X-ray image (9a) and a second X-ray image (9b).
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 15, 2020
    Assignee: Shimadzu Corporation
    Inventors: Taro Shirai, Kenji Kimura, Takahiro Doki, Satoshi Sano, Akira Horiba, Naoki Morimoto
  • Patent number: 10859512
    Abstract: Provided is a radiation imaging apparatus capable of performing precise imaging without performing pre-imaging in the absence of a subject. According to the present invention, it is possible to provide a radiation imaging apparatus capable of performing precise imaging without performing pre-imaging in the absence of a subject immediately before. That is, the apparatus of the present invention is provided with a phase grating 5 provided with a subject area and a reference area. Both areas each have a predetermined pattern that absorbs radiation, but the patterns are different from each other. In this area, an image of the phase grating 5 is observed in a moire pattern of a long period.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: December 8, 2020
    Assignee: Shimadzu Corporation
    Inventors: Koichi Tanabe, Toshinori Yoshimuta, Kenji Kimura, Hiroyuki Kishihara, Yukihisa Wada, Takuro Izumi, Taro Shirai, Takahiro Doki, Satoshi Sano, Akira Horiba
  • Patent number: 10837922
    Abstract: The X-ray imaging apparatus is provided with a plurality of gratings including an X-ray source and a first grating, a detector, a grating rotation mechanism for rotating a plurality of gratings respectively, and an image processor for generating at least a dark field image. The image processor is configured to generate a dark field image captured by arranging the grating at a plurality of angles in a plane orthogonal to the optical axis direction.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: November 17, 2020
    Assignee: Shimadzu Corporation
    Inventors: Satoshi Sano, Taro Shirai, Takahiro Doki, Akira Horiba, Naoki Morimoto, Kenji Kimura, Hiroshi Mizushima
  • Patent number: 10838125
    Abstract: A wavelength tunable interference filter includes a fixed substrate, a fixed reflection film that is provided on the fixed substrate, reflects part of incident light, and transmits at least part of the incident light, a movable reflection film that faces the fixed reflection film, reflects part of incident light, and transmits at least part of the incident light, and a fixed electrode that surrounds the fixed reflection film and has a light absorbing layer and a metal layer, and the light absorbing layer is disposed closer to the fixed substrate than the metal layer.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: November 17, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Akira Sano
  • Patent number: 10828380
    Abstract: An object is to provide a polymer having a high tumor/blood ratio. The present invention provides a polymer represented by the following formula (P1): wherein in the formula (P1), R represents any of a residue derived from a polymerization initiator, or a functional group; A may not be present, and when present, A represents any of a low-molecular compound, a dye, a reporter molecule, a target-binding molecule, a polymer or D; L represents a linker and L may not be present; n1 represents an integer of 1 or more; and D represents a dye backbone of a dye having absorption in the near-infrared region.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: November 10, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hideo Saji, Kohei Sano, Akira Makino, Kengo Kanazaki, Fumio Yamauchi, Satoshi Ogawa, Tatsuki Fukui
  • Publication number: 20200337659
    Abstract: In this X-ray phase imaging apparatus, at least one of a plurality of gratings is composed of a plurality of grating portions arranged along a third direction perpendicular to a first direction along which a subject or an imaging system is moved by a moving mechanism and a second direction along which an X-ray source, a detection unit, and a plurality of grating portions are arranged. The plurality of grating portions are arranged such that adjacent grating portions overlap each other when viewed in the first direction.
    Type: Application
    Filed: March 30, 2020
    Publication date: October 29, 2020
    Inventors: Satoshi SANO, Koichi TANABE, Yukihisa WADA, Satoshi TOKUDA, Akira HORIBA, Naoki MORIMOTO
  • Publication number: 20200333265
    Abstract: The X-ray phase imaging apparatus includes an imaging system, a position switching mechanism for switching between a retracted position and an imaging position, a control unit for controlling switching between the retracted position and the imaging position, and an image processing unit for generating an X-ray phase contrast image based on the first image and the second image. The control unit is configured to control sequentially imaging at the retracted position and imaging at the imaging position.
    Type: Application
    Filed: March 30, 2020
    Publication date: October 22, 2020
    Inventors: Takahiro DOKI, Kenji KIMURA, Taro SHIRAI, Satoshi SANO, Akira HORIBA, Naoki MORIMOTO
  • Publication number: 20200333519
    Abstract: A wavelength variable interference filter includes: a first substrate on which a first reflection film is formed; and a second substrate that includes a movable portion on which a second reflection film facing the first reflection film is formed and a holding portion surrounding an outer circumference of the movable portion and holding the movable portion so that the movable portion is displaceable in a thickness direction of the second reflection film. The movable portion has long and short sides in a plan view. The holding portion includes a long-side holding portion formed along the long side and a short-side holding portion formed along the short side. The rigidity of the short-side holding portion is lower than the rigidity of the long-side holding portion.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 22, 2020
    Inventor: Akira SANO
  • Patent number: 10809210
    Abstract: This X-ray phase imaging apparatus (100) includes a controller (5) that generates a dark field image (Iv) with respect to each of a plurality of relative positions between a subject (S) and an imaging grating (G1) changed by an adjustment mechanism (3) to acquire a contrast of a region of interest (ROI) in the dark field image (Iv), and controls the adjustment mechanism (3) to adjust a relative position between the subject (S) and the imaging grating (G1) based on the acquired contrast.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 20, 2020
    Assignee: Shimadzu Corporation
    Inventors: Akira Horiba, Taro Shirai, Takahiro Doki, Satoshi Sano
  • Patent number: 10801971
    Abstract: An X-ray phase contrast imaging system includes an X-ray source, a detector, a plurality of gratings including a first grating and a second grating, and a grating positional displacement acquisition section configured to obtain a positional displacement of the grating based on a Fourier transform image obtained by Fourier transforming an interference fringe image detected by the detector.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: October 13, 2020
    Assignee: Shimadzu Corporation
    Inventors: Naoki Morimoto, Taro Shirai, Takahiro Doki, Satoshi Sano, Akira Horiba
  • Patent number: 10786217
    Abstract: This X-ray phase-contrast imaging apparatus is equipped with a plurality of gratings and grating holders for holding the plurality of gratings. The plurality of gratings is arranged such that the extending direction of grating components of the plurality of gratings is oriented in a direction in which the positional displacement due to the grating holder becomes maximum in a plane orthogonal to an optical axis of the X-ray.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: September 29, 2020
    Assignee: Shimadzu Corporation
    Inventors: Akira Horiba, Taro Shirai, Takahiro Doki, Satoshi Sano, Naoki Morimoto
  • Patent number: 10772592
    Abstract: This X-ray phase contrast imaging apparatus (100) includes an X-ray source (1) that radiates continuous X-rays, a first grating (3) that forms a self-image, a second grating (4), a detector (5) that detects the continuous X-rays, and a third grating (2) arranged between the detector (5) and the first grating 3. The first grating (3), the second grating (4), and the third grating (2) are arranged so as to satisfy conditions of predetermined formulas.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: September 15, 2020
    Assignees: Shimadzu Corporation, OSAKA UNIVERSITY
    Inventors: Satoshi Sano, Koichi Tanabe, Toshinori Yoshimuta, Kenji Kimura, Hiroyuki Kishihara, Yukihisa Wada, Takuro Izumi, Taro Shirai, Takahiro Doki, Akira Horiba, Takayoshi Shimura, Heiji Watanabe, Takuji Hosoi