Patents by Inventor Hiroki Sugiura

Hiroki Sugiura 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).

  • Publication number: 20240397815
    Abstract: An object of the present invention is to provide a photoelectric conversion element which has excellent manufacturing suitability and also has excellent photoelectric conversion efficiency, an imaging element, an optical sensor, and a compound. A photoelectric conversion element according to the present invention including in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, in which the photoelectric conversion film contains a compound represented by Formula (1).
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke YAMAMOTO, Ryo FUJIWARA, Hiroki SUGIURA
  • Patent number: 12129253
    Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 29, 2024
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Toshihiro Okamoto
  • Publication number: 20240260465
    Abstract: An object of the present invention is to provide a photoelectric conversion element in which variation in dark current is suppressed and which has excellent heat resistance. Another object of the present invention is to provide an imaging element, an optical sensor, and a compound. The photoelectric conversion element includes a conductive film, a photoelectric conversion film, and a transparent conductive film in this order, in which the photoelectric conversion film contains a compound represented by Formula (1).
    Type: Application
    Filed: March 26, 2024
    Publication date: August 1, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhei KANEKO, Hiroki SUGIURA, Takehiro YAMANE
  • Publication number: 20240162704
    Abstract: This inrush current suppression circuit, which suppresses inrush current during pre-charging of a capacitor connected in parallel to the DC-output side of a converter that converts AC power supply voltage to DC voltage, includes: a resistor that is provided between the DC-output side of the converter and the capacitor, or that is provided on the AC-input side of the converter; a switch that is selectively switched between an open state, in which an electric circuit is formed with the resistor interposed, and a closed state, in which a short circuit is formed without the resistor interposed; an AC power supply voltage detection unit that detects whether the AC power supply voltage is inputted to the converter; and a switch control unit that switches the switch from the open state to the closed state after a prescribed time has elapsed from when the AC power supply voltage detection unit detects inputting of the AC power supply voltage to the converter.
    Type: Application
    Filed: April 2, 2021
    Publication date: May 16, 2024
    Applicant: Fanuc Corporation
    Inventors: Hiroki Sugiura, Shinichi Horikoshi, Koujirou Sakai
  • Publication number: 20240114781
    Abstract: The present invention is to provide a photoelectric conversion element with an excellent photoelectric conversion efficiency, an imaging element, an optical sensor, and a compound. The photoelectric conversion element of the present invention includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, in which the photoelectric conversion film contains a compound represented by Formula (1).
    Type: Application
    Filed: April 26, 2023
    Publication date: April 4, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Masaki MORITA, Ryo FUJIWARA, Hiroki SUGIURA, Yasunori YONEKUTA, Hiyoku NAKATA
  • Publication number: 20240025901
    Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 25, 2024
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Hiroki SUGIURA, Yukio TANI, Tetsuya MATSUSHITA, Tetsuya WATANABE, Toshihiro OKAMOTO
  • Patent number: 11820172
    Abstract: A pneumatic tire comprises a tread rubber with a groove depth at a shoulder portion that comes into contact with a road surface of 10 mm or greater. A rubber composition of the tread rubber contains: 60 to 70 parts by mass of carbon black having a nitrogen adsorption specific surface area of 70 to 130 m2/g, 0.5 parts or greater by mass of sulfur, and a vulcanization accelerator per 100 parts by mass of diene rubber including 50 to 70 mass % of styrene-butadiene rubber, 20 to 30 mass % of butadiene rubber, and 10 to 30 mass % of natural rubber. The diene rubber has an average glass transition temperature of ?65° C. or lower. A ratio of a compounded amount of the vulcanization accelerator to a compounded amount of the sulfur is 1.0 to 1.3. The tread rubber has a rubber hardness of 65 to 70 at 20° C.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: November 21, 2023
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Hiroki Sugiura
  • Publication number: 20230345826
    Abstract: The present invention is to provide a photoelectric conversion element with the electric field strength dependence of a photoelectric conversion efficiency suppressed. In addition, an imaging element, an optical sensor, and a compound are provided. The photoelectric conversion element includes a conductive film, a photoelectric conversion film, and a transparent conductive film in this order, in which the photoelectric conversion film contains a compound represented by Formula (1).
    Type: Application
    Filed: June 13, 2023
    Publication date: October 26, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Hiroki SUGIURA, Yukio TANI, Ryo FUJIWARA, Yasunori YONEKUTA
  • Patent number: 11785845
    Abstract: An object of the present invention is to provide a composition capable of manufacturing an organic thin film transistor having excellent carrier mobility even under low temperature conditions. The composition of the present invention contains a compound represented by Formula (1) and an alcohol represented by Formula (S1).
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: October 10, 2023
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Koki Nakamura, Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Junichi Takeya, Toshihiro Okamoto
  • Publication number: 20230301121
    Abstract: A photoelectric conversion element having a high photoelectric conversion efficiency in a visible light region (particularly, a wavelength range of 450 to 650 nm) even after being subjected to heat treatment (annealing) is provided. In addition, an imaging element, an optical sensor, and a compound are provided. The photoelectric conversion element includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, and the photoelectric conversion film contains a compound represented by Formula (1).
    Type: Application
    Filed: February 12, 2023
    Publication date: September 21, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhei KANEKO, Hiroki Sugiura
  • Publication number: 20230143982
    Abstract: A first object of the present invention is to provide a photoelectric conversion element having a high external quantum efficiency and small variation in response. A second object of the present invention is to provide an imaging element, an optical sensor, and a compound related to the photoelectric conversion element. The photoelectric conversion element includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, in which the photoelectric conversion film contains a compound represented by Formula (1).
    Type: Application
    Filed: December 21, 2022
    Publication date: May 11, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Hiroki SUGIURA, Yasunori YONEKUTA
  • Publication number: 20230132579
    Abstract: The present invention is to provide a photoelectric conversion element with an excellent sensitivity, an imaging element, an optical sensor, and a compound. The photoelectric conversion element of the present invention includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film in which the photoelectric conversion film contains a compound represented by Formula (1) and a coloring agent.
    Type: Application
    Filed: November 28, 2022
    Publication date: May 4, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yukio TANI, Hiroki SUGIURA, Yasunori YONEKUTA
  • Publication number: 20230121151
    Abstract: The present invention is to provide a photoelectric conversion element with an excellent sensitivity, an imaging element, an optical sensor, and a compound. The photoelectric conversion element according to the embodiment of the present invention includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, in which the photoelectric conversion film contains a compound represented by Formula (1) and a coloring agent.
    Type: Application
    Filed: October 28, 2022
    Publication date: April 20, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yukio TANI, Hiroki SUGIURA, Yasunori YONEKUTA
  • Publication number: 20220266632
    Abstract: Provided is a pneumatic tire. A belt cover layer made of an organic fiber cord spirally wound along the tire circumferential direction is provided on the outer circumferential side of a belt layer in a tread portion, and a polyethylene terephthalate fiber cord of which the elastic modulus under a load of 2.0 cN/dtex at 100° C. is in the range of 3.5 cN/(tex·%) to 5.5 cN/(tex·%) is used as the organic fiber cord. The coating rubber covering the organic fiber cord contains one or more of natural rubber, styrene-butadiene rubber, or butadiene rubber as a rubber component. The coating rubber is formed of a rubber composition in which the content of natural rubber in the rubber component is 50 mass % or more, and 5.0 parts by mass to 9.0 parts by mass of zinc oxide is blended per 100 parts by mass of the rubber component.
    Type: Application
    Filed: July 31, 2020
    Publication date: August 25, 2022
    Inventors: Makoto OZAKI, Shinya HARIKAE, Hiroki SUGIURA, Miyuki NAKAJIMA
  • Publication number: 20220238809
    Abstract: An object of the present invention is to provide an organic thin film transistor having excellent atmospheric stability. Another object of the present invention is to provide a polymer, a composition, an organic semiconductor film, and a compound. The organic thin film transistor of the present invention has an organic semiconductor film which includes a polymer having a partial structure represented by Formula (1). In Formula (1), X1 represents a sulfur atom or a selenium atom, X2 to X4 each independently represent a sulfur atom, an oxygen atom, or a selenium atom, Y1 to Y4 each independently represent a group represented by —CR1? or a nitrogen atom, where at least one of Y1 to Y4 represents a nitrogen atom, R1 represents a hydrogen atom or a substituent, and * represents a bonding position.
    Type: Application
    Filed: April 7, 2022
    Publication date: July 28, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Hiroki SUGIURA, Toshihiro ISE
  • Publication number: 20220213104
    Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.
    Type: Application
    Filed: March 17, 2022
    Publication date: July 7, 2022
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Toshihiro Okamoto
  • Patent number: 11359075
    Abstract: A rubber composition for a tire tread contains a diene rubber, silica, and a cured product; a content of the silica being from 20 to 100 parts by mass per 100 parts by mass of the diene rubber, a content of the cured product being from 0.3 to 30 parts by mass per 100 parts by mass of the diene rubber; the diene rubber containing a natural rubber and a modified butadiene rubber having a polyorganosiloxane group at a terminal, a content of the natural rubber in the diene rubber being from 30 to 90 mass %, a content of the modified butadiene rubber in the diene rubber being from 10 to 70 mass %; the cured product being a cured product obtained by curing a crosslinkable oligomer or polymer that is incompatible with the diene rubber; and a JIS A hardness of the cured product being from 3 to 45.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 14, 2022
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Ryutaro Nakagawa, Hiroki Sugiura
  • Publication number: 20220045283
    Abstract: An object of the present invention is to provide a composition capable of manufacturing an organic thin film transistor having excellent carrier mobility even under low temperature conditions. The composition of the present invention contains a compound represented by Formula (1) and an alcohol represented by Formula (S1).
    Type: Application
    Filed: October 18, 2021
    Publication date: February 10, 2022
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Koki NAKAMURA, Hiroki SUGIURA, Yukio TANI, Tetsuya MATSUSHITA, Tetsuya WATANABE, Junichi TAKEYA, Toshihiro OKAMOTO
  • Publication number: 20210259250
    Abstract: An object of the present invention is to provide a composition that has excellent antiviral activity and exerts an excellent corrosion inhibition effect on metals. Another object of the present invention is to provide a spray and a wiper that use the above composition. An alkaline composition according to an embodiment of the present invention contains a low-molecular-weight compound having an amino group and at least one kind of functional group selected from the group consisting of an acidic group, a hydroxyl group, and a phenyl group, a compound represented by Formula (1) or Formula (2), and a solvent containing a predetermined amount of alcohol.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 26, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Naotoshi SATO, Miyoko Hara, Hiroki Sugiura, Yusuke Kurimoto, Ayaka Tomise
  • Publication number: 20210228754
    Abstract: An object of the present invention is to provide a composition having excellent antiviral activity. Another object of the present invention is to provide a spray and a wiper that use the above composition. An alkaline composition according to an embodiment of the present invention contains a compound having an amino group and at least one kind of functional group selected from the group consisting of an acidic group, a hydroxyl group, and a phenyl group and having a molecular weight equal to or higher than 85, and a solvent containing an alcohol.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 29, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Miyoko HARA, Naotoshi SATO, Hiroki SUGIURA, Yusuke KURIMOTO, Ayaka TOMISE