Patents by Inventor Hirotoshi YOSHIZAWA

Hirotoshi YOSHIZAWA 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: 10739681
    Abstract: An image exposure device (10) includes an image display device (20) having a pixel (21), a photosensitive recording medium support portion that supports a photosensitive recording medium (40) in which an image of the image display device (20) is recorded in a state in which an exposure surface (40A) of the photosensitive recording medium (40) faces the image display device (20), a collimation portion (50) that is provided between the image display device (20) and the photosensitive recording medium (40) and makes light from the pixel (21) into parallel light, and an absorption layer (60) that is provided between the image display device (20) and the photosensitive recording medium (40) and has a light transmittance for the light from the pixel (21) of 50% or less.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: August 11, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Yoshihisa Usami, Shinichiro Sonoda, Hirotoshi Yoshizawa
  • Publication number: 20200238684
    Abstract: An image exposure device includes an image display device having pixels, a photosensitive recording medium support portion that supports a photosensitive recording medium for recording an image of the image display device in a state in which an exposure surface of the photosensitive recording medium faces the image display device, a louver film that is provided between the image display device and the photosensitive recording medium support portion, and in which light transmitting portions that transmit light and light shielding portions that block light are alternately arranged in a first direction, and light transmitting portions that transmit light and light shielding portions that block light are alternately arranged in a second direction, and a protective layer that is provided on the louver film on a side of the photosensitive recording medium support portion.
    Type: Application
    Filed: April 15, 2020
    Publication date: July 30, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihisa USAMI, Shinichiro SONODA, Hirotoshi YOSHIZAWA
  • Publication number: 20200241432
    Abstract: An image exposure device includes an image display device having pixels that emit light having a plurality of wavelengths; a photosensitive recording medium support portion that supports a photosensitive recording medium for recording an image of the image display device; a collimation portion that is disposed between the image display device and the photosensitive recording medium support portion and makes radiation light including the light having a plurality of wavelengths radiated from the pixels into first transmitted light radiated within a range of a first radiation angle narrower than a radiation angle of the radiation light; and a dichroic filter that is disposed between the collimation portion and the photosensitive recording medium support portion, and makes the first transmitted light including the light having a plurality of wavelengths into second transmitted light radiated within a range of a second radiation angle equal to or smaller than the first radiation angle.
    Type: Application
    Filed: April 13, 2020
    Publication date: July 30, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihisa USAMI, Shinichiro SONODA, Hirotoshi YOSHIZAWA
  • Publication number: 20200201188
    Abstract: Provided is an image exposure device capable of recording a favorable image and capable of decreasing the size of the device. An image exposure device (10) includes an image display device (12) having pixels (13), a photosensitive recording medium support portion (21) that supports a photosensitive recording medium (14) for recording an image of the image display device (12) in a state in which an exposure surface (14A) of the photosensitive recording medium (14) faces the image display device (12), and a transmitted light control portion (16) that is provided between the image display device (12) and the photosensitive recording medium support portion (21) and is formed by laminating three or more layers of transmission members (100) that have a plurality of openings (102) formed therein and transmit only light incident on the openings (102).
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihisa USAMI, Shinichiro SONODA, Hirotoshi YOSHIZAWA
  • Publication number: 20200201187
    Abstract: Provided are an image exposure device and an image exposure method capable of suppressing the blurring of an image. An image exposure device 10 includes an image display device 20 having a pixel 21, a photosensitive recording medium support portion that supports a photosensitive recording medium 40 in which an image of the image display device 20 is recorded in a state in which an exposure surface 40A of the photosensitive recording medium 40 faces the image display device 20, a collimation portion 50 that is provided between the image display device 20 and the photosensitive recording medium 40 and makes light from the pixel 21 into parallel light, and an absorption layer 60 that is provided between the image display device 20 and the photosensitive recording medium 40 and has a light transmittance for the light from the pixel 21 of 50% or less.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihisa USAMI, Shinichiro SONODA, Hirotoshi YOSHIZAWA
  • Publication number: 20200021036
    Abstract: Provided is a radio wave absorber including: a support; a first radio wave absorption layer having a flat plate shape that is disposed on a surface of the support and includes a radio wave absorption material and a binder; and second radio wave absorption layers that are erected on a surface of the first radio wave absorption layer, include a radio wave absorption material and a binder, and are conical protrusions having bottom surfaces of which outer peripheral portions are in contact with each other, in which a distance between apexes of the conical protrusions adjacent to each other is 0.5 mm to ?a mm, in a case where a wavelength of a radio wave to be absorbed is set as ?a mm, and a manufacturing method of a radio wave absorber.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuo MIKAMI, Hirotoshi YOSHIZAWA
  • Publication number: 20190257557
    Abstract: A radiative cooling device including: a vacuum heat insulating container that has an opening portion, that is configured to house an object to be cooled therein and thermally vacuum insulates the object from an exterior thereof; a far-infrared radiator that is arranged between the object and the opening portion in the vacuum heat insulating container, that is thermally vacuum insulated from the exterior of the vacuum heat insulating container, that thermally contacts the object, and that radiates far-infrared rays in a wavelength range of from 8 ?m to 13 ?m; and a far-infrared transmitting window member that closes the opening portion of the vacuum heat insulating container and that transmits the far-infrared rays radiated from the far-infrared radiator.
    Type: Application
    Filed: March 25, 2019
    Publication date: August 22, 2019
    Inventors: Hirotoshi YOSHIZAWA, Hideki YASUDA, Tatsuya YOSHIHIRO
  • Publication number: 20190184687
    Abstract: According to an embodiment of the invention, there is provided a laminated structure including, in this order from a side nearer to an object to be cooled: a radiative cooling layer which contains a bubble-containing resin and radiates far-infrared rays to cool the object to be cooled; and a heat insulating layer which contains a bubble-containing resin and has a porosity of 70% or more and in which the number of bubbles contained in a layer thickness direction is 8 or less.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 20, 2019
    Inventors: Hideki YASUDA, Hirotoshi YOSHIZAWA, Tatsuya YOSHIHIRO
  • Publication number: 20180370851
    Abstract: An infrared shielding material includes a metal particle-containing layer containing flat sheet-like metal particles each having at least one hole.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Inventors: Hirotoshi YOSHIZAWA, Hideki YASUDA, Takeharu TANI
  • Patent number: 10025006
    Abstract: Provided is a method of manufacturing a structure having a transparent fine uneven structural body formed by hot water treatment, in which a finer uneven structure is formed. Provided is a method of manufacturing a structure, the method being for manufacturing a structure including a substrate, and a transparent fine uneven structural body which is formed on a surface of the substrate by hot water treatment, including: a first step of forming a precursor film of the transparent fine uneven structural body on the substrate; a second step of forming a fine uneven structure on a surface of the precursor film; and a third step of subjecting, to hot water treatment, the precursor film on which the fine uneven structure is formed to form the transparent fine uneven structural body in which a peak value ?0 of space frequency of the unevenness of the fine uneven structure formed in the second step satisfies ? <?0 (Expression I).
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 17, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Hirotoshi Yoshizawa, Shinichiro Sonoda, Tatsuya Yoshihiro
  • Publication number: 20180074230
    Abstract: Provided is a method of manufacturing a structure having a transparent fine uneven structural body formed by hot water treatment, in which a finer uneven structure is formed. Provided is a method of manufacturing a structure, the method being for manufacturing a structure including a substrate, and a transparent fine uneven structural body which is formed on a surface of the substrate by hot water treatment, including: a first step of forming a precursor film of the transparent fine uneven structural body on the substrate; a second step of forming a fine uneven structure on a surface of the precursor film; and a third step of subjecting, to hot water treatment, the precursor film on which the fine uneven structure is formed to form the transparent fine uneven structural body in which a peak value v0 of space frequency of the unevenness of the fine uneven structure formed in the second step satisfies v <v0 (Expression I).
    Type: Application
    Filed: October 18, 2017
    Publication date: March 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hirotoshi YOSHIZAWA, Shinichiro SONODA, Tatsuya YOSHIHIRO