Patents by Inventor Hiroyuki Seki

Hiroyuki Seki 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: 20230340326
    Abstract: A chemical solution, which demonstrates excellent etching performance for transition metal-containing substances and has excellent defect inhibition performance, a method for manufacturing the chemical solution, and a method for treating a substrate. The chemical solution according to an embodiment includes one or more kinds of periodic acids selected from the group consisting of a periodic acid and a salt thereof, one or more kinds of first metal components selected from the group consisting of Ti and Zr, and water. In a case where the chemical solution includes one kind of first metal component, a content of the one kind of first metal component is 1 ppt by mass to 100 ppm by mass with respect to a total mass of the periodic acids.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Nobuaki SUGIMURA, Tomonori Takahashi, Hiroyuki Seki, Atsushi Mizutani
  • Patent number: 11732190
    Abstract: The present invention provides a chemical solution, which demonstrates excellent etching performance for transition metal-containing substances and has excellent defect inhibition performance, a method for manufacturing the chemical solution, and a method for treating a substrate. The chemical solution according to an embodiment of the present invention includes one or more kinds of periodic acids selected from the group consisting of a periodic acid and a salt thereof, one or more kinds of first metal components selected from the group consisting of Ti and Zr, and water. In a case where the chemical solution includes one kind of first metal component, a content of the one kind of first metal component is 1 ppt by mass to 100 ppm by mass with respect to a total mass of the periodic acids.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: August 22, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Nobuaki Sugimura, Tomonori Takahashi, Hiroyuki Seki, Atsushi Mizutani
  • Publication number: 20230235767
    Abstract: A joint ring of an endoscope comprises a joint ring body including a joint ring wall having an inner surface, an outer surface, a first end surface, and a second end surface, and a first wire guide attached to the inner surface of the joint ring wall. The first wire guide includes a first wire guide body including a first wire guide wall having a third end surface and a fourth end surface. In a central axis direction of the joint ring body, at least a first portion of the first end surface and at least a first portion of the third end surface are at a first axial position and at least a first portion of the second end surface and at least a first portion of the fourth end surface are at a second axial position.
    Type: Application
    Filed: January 20, 2023
    Publication date: July 27, 2023
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Yoshihiro HIRASAWA, Hiroyuki SEKI, Tomonori IMAMURA
  • Patent number: 11505743
    Abstract: The present invention provides a chemical solution which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated. Furthermore, the present invention provides a method of treating a substrate. The chemical solution according to an embodiment of the present invention is used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of specific hypochlorous acids selected from the group consisting of hypochlorous acid and a salt thereof and contains one or more kinds of specific anions selected from the group consisting of ClO3? and Cl?. In a case where the chemical solution contains one kind of the specific anion, the content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: November 22, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Nobuaki Sugimura, Tomonori Takahashi, Hiroyuki Seki
  • Patent number: 11479863
    Abstract: The present invention provides a chemical solution having excellent storage stability and excellent defect inhibition performance. The present invention also provides a method for treating a substrate. The chemical solution according to an embodiment of the present invention is a chemical solution used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of halogen oxoacids selected from the group consisting of a halogen oxoacid and a salt thereof and one or more kinds of specific anions selected from the group consisting of SO42?, NO3?, PO43?, and BO33?. In a case where the chemical solution contains one kind of the specific anion, a content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: October 25, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Nobuaki Sugimura, Tomonori Takahashi, Hiroyuki Seki
  • Patent number: 11466209
    Abstract: The present invention provides a chemical solution which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated. Furthermore, the present invention provides a method of treating a substrate. The chemical solution according to an embodiment of the present invention is used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of specific hypochlorous acids selected from the group consisting of hypochlorous acid and a salt thereof and contains one or more kinds of specific anions selected from the group consisting of ClO3? and Cl?. In a case where the chemical solution contains one kind of the specific anion, the content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: October 11, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Nobuaki Sugimura, Tomonori Takahashi, Hiroyuki Seki
  • Patent number: 11378901
    Abstract: An image forming apparatus includes image bearing members, an intermediary transfer member having ion conductivity, primary transfer members, a first voltage applying portion, a secondary transfer member, a second voltage applying portion, and a controller. On the basis of image information, the controller controls a transfer voltage applied to the secondary transfer member so as to be different between a first voltage when a first region, in which a coverage indicating a ratio occupied by an image region per predetermined area is a first coverage passes through the secondary transfer portion and a second voltage when a second region, in which the coverage is a second coverage larger than the first coverage, passes through the secondary transfer portion. The controller controls a change amount of the first voltage with respect to the second voltage so as to be different between a first mode and a second mode.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: July 5, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusaku Iwasawa, Yasutaka Yagi, Ken Yokoyama, Hiroyuki Seki
  • Patent number: 11323047
    Abstract: A contact body that makes it possible to easily verify whether or not the resin has been properly impregnated in the pores. A metallic sintered body having a plurality of pores, as a main body, is in contact with a vibration element in a vibration actuator. The contact body includes a sliding portion that has a sliding surface in contact with the vibration element, and a non-sliding portion adjacent to the sliding portion and not in contact with the vibration element. The non-sliding portion is provided with a resin lump containing hard particles and resin, and the resin lump is formed to be lower in height in a vertical direction than the sliding surface. In the sliding portion, part of hard particles and resin is exposed on the sliding surface.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: May 3, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Seki, Yasuyuki Araki
  • Patent number: 11274250
    Abstract: The present invention provides a chemical solution, which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated, and a treatment method using the chemical solution. The chemical solution according to an embodiment of the present invention is a chemical solution used for removing a transition metal-containing substance on a substrate and includes periodic acids and a compound including one or more kinds of anions selected from the group consisting of IO3?, I?, and I3?, in which a content of the compound including anions with respect to a total mass of the chemical solution is 5 ppb by mass to 1% by mass.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: March 15, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Takahashi, Nobuaki Sugimura, Hiroyuki Seki
  • Patent number: 11239093
    Abstract: The present invention provides a method for treating a substrate, which can remove transition metal-containing substances on a substrate with high efficiency while inhibiting cerium from remaining on the surface of the treated substrate. Furthermore, the present invention provides a method for manufacturing a semiconductor device including the method for treating a substrate, and a kit for treating a substrate that is applicable to the method for treating a substrate.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: February 1, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Takahashi, Nobuaki Sugimura, Hiroyuki Seki
  • Publication number: 20210382416
    Abstract: An image forming apparatus includes image bearing members, an intermediary transfer member having ion conductivity, primary transfer members, a first voltage applying portion, a secondary transfer member, a second voltage applying portion, and a controller. On the basis of image information, the controller controls a transfer voltage applied to the secondary transfer member so as to be different between a first voltage when a first region in which a coverage indicating a ratio occupied by an image region per predetermined area is a first coverage passes through the secondary transfer portion and a second voltage when a second region in which the coverage is a second coverage larger than the first coverage passes through the secondary transfer portion. The controller controls a change amount of the first voltage with respect to the second voltage so as to be different between a first mode and a second mode.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 9, 2021
    Inventors: Yusaku Iwasawa, Yasutaka Yagi, Ken Yokoyama, Hiroyuki Seki
  • Patent number: 11169473
    Abstract: A primary transfer roller is disposed upstream or downstream from the center of rotation of a photosensitive drum in the moving direction of an intermediate transfer belt. The primary transfer roller includes a core metal and an elastic layer coating the outer circumference of the core metal and having a thickness of less than 2.0 mm. The primary transfer roller has an Asker-C hardness of 40° or higher and 85° or lower.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: November 9, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ken Yokoyama, Hiroyuki Seki
  • Patent number: 11167266
    Abstract: Provided is a hydrodesulfurization catalyst for hydrocarbon oil, the catalyst comprising: an inorganic oxide carrier comprising Si, Ti and Al; and at least one metal component, carried on the inorganic oxide carrier, being selected from the group consisting of group 6 elements, group 8 elements, group 9 elements and group 10 elements, wherein the content of Al in the inorganic oxide carrier is 50% by mass or higher in terms of Al2O3; the content of Si therein is 1.0 to 10% by mass in terms of SiO2; and the content of Ti therein is 12 to 28% by mass in terms of TiO2; and in the inorganic oxide carrier, the absorption edge wavelength of an absorption peak from Ti is 364 nm or shorter as measured by ultraviolet spectroscopy.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: November 9, 2021
    Assignees: ENEOS CORPORATION, JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Tomohisa Hirano, Masanori Yoshida, Hiroyuki Seki, Tomoyasu Kagawa, Mitsunori Watabe
  • Publication number: 20210318267
    Abstract: An element analysis device is provided, which can quantitatively analyze an H element contained in a sample gas with high accuracy. The element analysis device is provided with a heating furnace for heating a crucible having a sample contained therein while a carrier gas is introduced into the heating furnace to vaporize at least a part of the sample to generate a sample gas containing the H element and then deriving the sample gas with the carrier gas as a mixed gas and a mass spectrometer for quantitatively analyzing at least one element contained in the sample gas in the mixed gas that has been derived from the heating furnace, wherein the mass spectrometer quantitatively analyzes the H element contained as an H2O component in the mixed gas as the H element contained in the sample gas.
    Type: Application
    Filed: May 21, 2019
    Publication date: October 14, 2021
    Inventors: Takahito INOUE, Hiroshi UCHIHARA, Kohei SASAI, Toshihiro IKEYAMA, Hiroyuki SEKI
  • Publication number: 20210189235
    Abstract: The present invention provides a chemical solution which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated. Furthermore, the present invention provides a method of treating a substrate. The chemical solution according to an embodiment of the present invention is used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of specific hypochlorous acids selected from the group consisting of hypochlorous acid and a salt thereof and contains one or more kinds of specific anions selected from the group consisting of ClO3? and Cl?. In a case where the chemical solution contains one kind of the specific anion, the content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Nobuaki SUGIMURA, Tomonori TAKAHASHI, Hiroyuki SEKI
  • Publication number: 20210180192
    Abstract: The present invention provides a chemical solution having excellent storage stability and excellent defect inhibition performance. The present invention also provides a method for treating a substrate. The chemical solution according to an embodiment of the present invention is a chemical solution used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of halogen oxoacids selected from the group consisting of a halogen oxoacid and a salt thereof and one or more kinds of specific anions selected from the group consisting of SO42?, NO3?, PO43?, and BO33?. In a case where the chemical solution contains one kind of the specific anion, a content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Application
    Filed: February 24, 2021
    Publication date: June 17, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Nobuaki SUGIMURA, Tomonori TAKAHASHI, Hiroyuki SEKI
  • Patent number: 11012004
    Abstract: A vibration actuator includes a vibrator including a shaft, an output transmission member penetrated by the shaft, and configured to rotate about the axis of the shall, and a fixed member configured not to move relative to the shaft and configured to move relative to the output transmission member. The fixed member includes a base portion and a projection portion protruding from the base portion to the output transmission member side, the vibration actuator includes a pressure reception member between the base portion and the output transmission member in an axial direction of the shaft, and wherein the projection portion and the output transmission member are in contact with each other in a direction orthogonal to the axial direction of the shaft, and the projection portion and the output transmission member are not in contact with each other in the axial direction of the shaft.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: May 18, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akira Shimada, Hiroyuki Seki
  • Publication number: 20210121853
    Abstract: Provided is a hydrodesulfurization catalyst for hydrocarbon oil, the catalyst comprising: an inorganic oxide carrier comprising Si, Ti and Al; and at least one metal component, carried on the inorganic oxide carrier, being selected from the group consisting of group 6 elements, group 8 elements, group 9 elements and group 10 elements, wherein the content of Al in the inorganic oxide carrier is 50% by mass or higher in terms of Al2O3; the content of Si therein is 1.0 to 10% by mass in terms of SiO2; and the content of Ti therein is 12 to 28% by mass in terms of TiO2; and in the inorganic oxide carrier, the absorption edge wavelength of an absorption peak from Ti is 364 nm or shorter as measured by ultraviolet spectroscopy.
    Type: Application
    Filed: March 9, 2018
    Publication date: April 29, 2021
    Applicants: JXTG Nippon Oil & Energy Corporation, JGC Catalysts and Chemicals Ltd.
    Inventors: Tomohisa HIRANO, Masanori YOSHIDA, Hiroyuki SEKI, Tomoyasu KAGAWA, Mitsunori WATABE
  • Patent number: 10899004
    Abstract: A vibrator of a vibration-type driving device according to an aspect of the present invention includes a first vibrating member that includes first protrusions protruding in a first direction, a second vibrating member that includes second protrusions protruding in a direction that is opposite to the first direction, and an electric-mechanical energy conversion element that is fixed to the first vibrating member. The first protrusions and the second protrusions each have a hollow structure, and the first vibrating member and the second vibrating member are disposed in such a manner that a surface of the first vibrating member on which the first protrusions are not formed and a surface of the second vibrating member on which the second protrusions are not formed face each other.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: January 26, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takao Mori, Yoshiharu Irei, Masaaki Udagawa, Yu Takahashi, Takayuki Tsukimoto, Hiroyuki Seki, Satoshi Tsuchiya
  • Publication number: 20200354632
    Abstract: The present invention provides a chemical solution, which demonstrates excellent etching performance for transition metal-containing substances and has excellent defect inhibition performance, a method for manufacturing the chemical solution, and a method for treating a substrate. The chemical solution according to an embodiment of the present invention includes one or more kinds of periodic acids selected from the group consisting of a periodic acid and a salt thereof, one or more kinds of first metal components selected from the group consisting of Ti and Zr, and water. In a case where the chemical solution includes one kind of first metal component, a content of the one kind of first metal component is 1 ppt by mass to 100 ppm by mass with respect to a total mass of the periodic acids.
    Type: Application
    Filed: July 28, 2020
    Publication date: November 12, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Nobuaki SUGIMURA, Tomonori TAKAHASHI, Hiroyuki SEKI, Atsushi MIZUTANI