Patents by Inventor Keiichi Akamatsu

Keiichi Akamatsu 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: 10534098
    Abstract: A radiographic imaging apparatus includes a sensor board including a flexible substrate, and a plurality of pixels that are provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which signal processing circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which drive circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: January 14, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Akamatsu, Shinichi Ushikura, Takeya Meguro, Haruyasu Nakatsugawa
  • Patent number: 10502848
    Abstract: A radiographic imaging apparatus includes a sensor board including a flexible substrate, and a plurality of pixels that are provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which signal processing circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which drive circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: December 10, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Akamatsu, Shinichi Ushikura, Takeya Meguro, Haruyasu Nakatsugawa
  • Publication number: 20190298283
    Abstract: Provided are a radiation detector and a radiographic imaging apparatus through which a high-quality radiographic image can be obtained. The radiation detector includes a portion in which a pixel array that has a plurality of pixels for accumulating electric charges generated in accordance with light converted from radiation; a conversion layer that converts the radiation into light; a light-transmissive pressure sensitive adhesive layer having a thickness of 2 ?m to 7 ?m; and a reflective layer that reflects the light converted by the conversion layer to a TFT substrate are provided in order.
    Type: Application
    Filed: June 19, 2019
    Publication date: October 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Munetaka Kato, Keiichi Akamatsu
  • Publication number: 20190302279
    Abstract: A radiation detector includes: a sensor substrate including a flexible base material and a layer which is provided on a first surface of the base material and in which plural pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on the first surface side of the sensor substrate to convert radiation into the light; and a protective film that covers a portion ranging from an opposite surface of the conversion layer opposite to a side where the sensor substrate is provided, to a corresponding position, corresponding to a position of an end part of the conversion layer, on a second surface opposite to the first surface of the base material.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Shinichi USHIKURA, Keiichi AKAMATSU, Haruyasu NAKATSUGAWA, Shunsuke KODAIRA
  • Publication number: 20190298282
    Abstract: Provided are a radiation detector and a radiographic imaging apparatus that can suppress peeling of an end part of a reflective layer. The radiation detector includes a portion in which a TFT substrate; a pixel array that is provided in a pixel region of the TFT substrate and that has a plurality of pixels for accumulating electric charges generated in accordance with light converted from radiation; a conversion layer that converts the radiation into light; a light-transmissive pressure sensitive adhesive layer; a reflective layer that reflects the light converted by the conversion layer; and an adhesive layer that covers at least a region ranging from an end part of the reflective layer to a surface of the substrate are provided in order.
    Type: Application
    Filed: June 19, 2019
    Publication date: October 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Munetaka KATO, Keiichi AKAMATSU
  • Patent number: 10317540
    Abstract: A radiation detector includes a flexible substrate; a plurality of pixels provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation; and a terminal region part formed with a plurality of terminal regions each including terminals connected to a predetermined pixel group including some of the plurality of pixels and formed on the first surface of the substrate.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: June 11, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Akamatsu, Shinichi Ushikura, Naoto Iwakiri, Haruyasu Nakatsugawa, Naoyuki Nishino
  • Patent number: 10283579
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: May 7, 2019
    Assignee: JOLED, Inc.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Patent number: 10261197
    Abstract: A radiation detector includes a flexible substrate, and a sensor board including a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed, a conversion layer that is provided on the first surface side of the sensor board to convert radiation into light, a protective film that covers at least a region ranging from a region that covers the conversion layer to a region at an outer peripheral part of a second surface opposite to the first surface of the substrate, and a supporting member that supports the region of the substrate via the protective film from the second surface side of the substrate.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 16, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Ushikura, Keiichi Akamatsu, Haruyasu Nakatsugawa
  • Publication number: 20180313962
    Abstract: The radiation detector includes a sensor board including a flexible substrate and a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on a side, opposite to the substrate, of the layer in which the pixels are formed, and converts radiation into the light; a first protective film that is provided on the first surface side of the substrate with an end part also provided on the first surface side of the substrate and covers at least the entire conversion layer; and a second protective film that covers at least a second surface opposite to the first surface.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 1, 2018
    Inventors: Shinichi USHIKURA, Keiichi AKAMATSU, Naoto IWAKIRI, Haruyasu NAKATSUGAWA
  • Publication number: 20180313961
    Abstract: The radiation detector includes: a sensor board including a flexible substrate and a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed; a conversion layer that is provided on a side, opposite to the substrate, of the layer in which the pixels are formed, and converts radiation into light; protective film that covers at least the conversion layer; a reinforcing member provided on a second surface opposite to the first surface of the substrate; and a supporting member that supports the reinforcing member with the reinforcing member sandwiched between the supporting member and the second surface of the substrate.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 1, 2018
    Inventors: Shinichi USHIKURA, Keiichi AKAMATSU, Haruyasu NAKATSUGAWA, Naoyuki NISHINOU, Shunsuke KODAIRA
  • Publication number: 20180275290
    Abstract: A radiation detector includes a flexible substrate, and a sensor board including a layer which is provided on a first surface of the substrate and in which a plurality of pixels, which accumulate electrical charges generated in accordance with light converted from radiation, are formed, a conversion layer that is provided on the first surface side of the sensor board to convert radiation into light, a protective film that covers at least a region ranging from a region that covers the conversion layer to a region at an outer peripheral part of a second surface opposite to the first surface of the substrate, and a supporting member that supports the region of the substrate via the protective film from the second surface side of the substrate.
    Type: Application
    Filed: February 7, 2018
    Publication date: September 27, 2018
    Inventors: Shinichi USHIKURA, Keiichi AKAMATSU, Haruyasu NAKATSUGAWA
  • Publication number: 20180275288
    Abstract: A radiation detector includes a flexible substrate; a plurality of pixels provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation; and a terminal region part formed with a plurality of terminal regions each including terminals connected to a predetermined pixel group including some of the plurality of pixels and formed on the first surface of the substrate.
    Type: Application
    Filed: February 23, 2018
    Publication date: September 27, 2018
    Inventors: Keiichi AKAMATSU, Shinichi USHIKURA, Naoto IWAKIRI, Haruyasu NAKATSUGAWA, Naoyuki NISHINO
  • Publication number: 20180275292
    Abstract: A radiographic imaging apparatus includes a sensor board including a flexible substrate, and a plurality of pixels that are provided on a first surface of the substrate to accumulate electrical charges generated in accordance with light converted from radiation. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which signal processing circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors. Additionally, the radiographic imaging apparatus includes flexible cables having one ends electrically connected to the sensor board and the other ends provided with connectors, and flexible cables on which drive circuit parts are mounted and which are connected electrically to the cables by the one ends thereof being electrically connected to the connectors.
    Type: Application
    Filed: February 7, 2018
    Publication date: September 27, 2018
    Inventors: Keiichi AKAMATSU, Shinichi USHIKURA, Takeya MEGURO, Haruyasu NAKATSUGAWA
  • Publication number: 20180151659
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Application
    Filed: January 26, 2018
    Publication date: May 31, 2018
    Applicant: JOLED INC.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Patent number: 9935165
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: April 3, 2018
    Assignee: JOLED, INC.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Patent number: 9892695
    Abstract: A display unit includes a plurality of pixels arranged in a two-dimensional matrix. An image is displayed in a first display mode and a second display mode. In the first display mode, one pixel is configured of a set including J (where J is an integer of 2 or more) first unit pixels emitting a first color, J second unit pixels emitting a second color, and J third unit pixels emitting a third color, and image display is performed through control of operation of each of the unit pixels. In the second display mode, one pixel is configured of a set including j (where j is an integer of 1 or more and less than J) first unit pixels, j second unit pixels, and j third unit pixels, and image display is performed through control of operation of each of the unit pixels.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: February 13, 2018
    Assignee: Sony Corporation
    Inventors: Akihito Nishiike, Keiichi Akamatsu, Kitsuko Hatakeyama, Ryo Kasegawa
  • Publication number: 20170062541
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Application
    Filed: July 11, 2016
    Publication date: March 2, 2017
    Applicant: JOLED INC.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Patent number: 9054049
    Abstract: A driving substrate includes: a protective layer including an etching surface; and a film layer including one or more convex portions on a surface thereof. The film layer is in contact with a rear surface of the protective layer. The one or more convex portions each have a surface being flush with the etching surface.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: June 9, 2015
    Assignee: Sony Corporation
    Inventors: Kenta Masuda, Keiichi Akamatsu, Yuichi Kato
  • Patent number: 8913206
    Abstract: A device includes a substrate, a metal layer being formed in a region on a part of the substrate, and a first insulating film being provided on the substrate and the metal layer and including a trench provided at a position corresponding to a part or all of a region where the metal layer is not provided.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: December 16, 2014
    Assignee: Sony Corporation
    Inventors: Kenta Masuda, Yuichi Kato, Keiichi Akamatsu
  • Publication number: 20140220781
    Abstract: A driving substrate includes: a protective layer including an etching surface; and a film layer including one or more convex portions on a surface thereof. The film layer is in contact with a rear surface of the protective layer. The one or more convex portions each have a surface being flush with the etching surface.
    Type: Application
    Filed: April 7, 2014
    Publication date: August 7, 2014
    Applicant: SONY CORPORATION
    Inventors: Kenta Masuda, Keiichi Akamatsu, Yuichi Kato