Patents by Inventor Takashi Ohashi

Takashi Ohashi 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: 20240103413
    Abstract: A fixing device includes an endless belt, a fixing member that presses the belt against a recording medium holding an unfixed image to fix the unfixed image onto the recording medium, a restorer that is pressed against a surface of the belt after the image is fixed to restore the surface of the belt to a state before a fixing operation, and a changer that changes a pressing load of the restorer in accordance with a difference in a state of the surface of the belt between before the fixing operation and after the fixing operation.
    Type: Application
    Filed: March 3, 2023
    Publication date: March 28, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takuma ISHIHARA, Takashi MATSUBARA, Takashi OHASHI, Hina SAITO
  • Publication number: 20240101354
    Abstract: A belt transport device includes an endless belt, multiple stretchers that stretch the belt, a corrector that displaces one of the multiple stretchers to correct a shift of the belt toward an edge portion of the belt in an axial direction of the belt, and a lubricant applicator that applies a lubricant to an inner surface of the belt at the edge portion of the belt in the axial direction when the belt has shifted toward the edge portion in the axial direction.
    Type: Application
    Filed: March 9, 2023
    Publication date: March 28, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi MATSUBARA, Takashi Ohashi, Takuma Ishihara, Hina Saito
  • Publication number: 20240103416
    Abstract: A fixing device includes an endless belt, multiple stretchers that stretch the belt, a heater that heats the belt including sections, section by section, sectioned in a direction crossing a rotation direction of the belt, and a switch that switches the sections heated by the heater from one to another in accordance with a position of an edge portion of the belt in the direction crossing the rotation direction of the belt.
    Type: Application
    Filed: March 8, 2023
    Publication date: March 28, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi MATSUBARA, Takashi Ohashi, Takuma Ishihara, Hina Saito
  • Patent number: 11927903
    Abstract: A heating device includes a heating roller that includes a resistance heating layer, a bearing that supports the heating roller to allow the heating roller to be rotatable, and a connection power feeder that is mounted on an end portion of the heating roller, is connected to the resistance heating layer, and feeds power to the resistance heating layer, in which the connection power feeder includes an annular frame that is disposed to be concentric with the heating roller and is conductively connected to the resistance heating layer, a power feed shaft of which a portion is disposed in the frame and which feeds power, and plural rolling bodies that roll while being in conductive contact with an inner peripheral surface of the frame and an outer peripheral surface of the power feed shaft, and the bearing is mounted on a portion of the end portion of the heating roller that is closer to an inside than the connection power feeder in an axial direction.
    Type: Grant
    Filed: September 4, 2022
    Date of Patent: March 12, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Ohashi, Takashi Matsubara, Takuma Ishihara
  • Patent number: 11892788
    Abstract: A heating device includes a heating roller that includes a resistance heating layer, and a connection power feeder that is mounted on an end portion of the heating roller, is connected to the resistance heating layer, and feeds power to the resistance heating layer, in which the connection power feeder includes an annular frame that is disposed to be concentric with the heating roller and is conductively connected to the resistance heating layer, a power feed shaft of which a portion is disposed in the frame and which feeds power, plural rolling bodies that roll while being in conductive contact with an inner peripheral surface of the frame and an outer peripheral surface of the power feed shaft, and a non-conductive cover that holds and covers the frame and the rolling bodies in a state where a portion excluding the portion of the power feed shaft is exposed, and the connection power feeder excluding the power feed shaft is mounted on the heating roller so as to be integrally rotated with the heating roller.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: February 6, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Ohashi, Takashi Matsubara, Takuma Ishihara
  • Publication number: 20230314994
    Abstract: A pressing device includes a first pressurization unit; a second pressurization unit that is provided to face the first pressurization unit, and sandwiches and pressurizes a medium moving in a contact region formed between the first pressurization unit and the second pressurization unit; and a contact region variable unit that changes a width dimension of the contact region along a moving direction of the medium in a state of maintaining a contact pressure on an outlet side of the contact region, in varying a contact state of the contact region.
    Type: Application
    Filed: October 3, 2022
    Publication date: October 5, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Shogo KAMIYA, Takashi OHASHI, Kouichi KIMURA, Shingo AKIYAMA, Toyohiko AWANO
  • Publication number: 20230305455
    Abstract: A fixing device includes an endless belt-shaped section; a supply section that supplies a lubricating material to an inner surface of the belt-shaped section; a heating section that supports and rotates the belt-shaped section and generates heat during energization to heat the belt-shaped section; a power feed section that is electrically connected to an end part of the heating section and feeds power to the heating section; and a regulating section that is disposed on an outer surface side of the heating section and inside the power feed section with respect to an axial direction of rotation of the heating section to regulate movement of the lubricating material to a power feed section side.
    Type: Application
    Filed: August 15, 2022
    Publication date: September 28, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi MATSUBARA, Takashi OHASHI, Takuma ISHIHARA
  • Publication number: 20230305452
    Abstract: A fixing device includes a fixing member that has an outer peripheral surface and an inner peripheral surface, is rotatably provided, comes into contact with, of a recording material on which an image is formed, a surface on which the image is formed, and fixes the image to the recording material, a rotating member that is rotatably provided and includes, at an outer peripheral portion, a contact surface coming into contact with the inner peripheral surface of the fixing member, and a removing member that is disposed to be in contact with the outer peripheral surface of the fixing member, is rotatably provided, and removes an attached object attached to the outer peripheral surface using a rotation speed difference with respect to the fixing member.
    Type: Application
    Filed: September 28, 2022
    Publication date: September 28, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi OHASHI, Takashi MATSUBARA, Takuma ISHIHARA, Yasutaka NAITO, Makoto HASEGAWA
  • Publication number: 20230305460
    Abstract: A heating device includes a heating roller that includes a resistance heating layer, a bearing that supports the heating roller to allow the heating roller to be rotatable, and a connection power feeder that is mounted on an end portion of the heating roller, is connected to the resistance heating layer, and feeds power to the resistance heating layer, in which the connection power feeder includes an annular frame that is disposed to be concentric with the heating roller and is conductively connected to the resistance heating layer, a power feed shaft of which a portion is disposed in the frame and which feeds power, and plural rolling bodies that roll while being in conductive contact with an inner peripheral surface of the frame and an outer peripheral surface of the power feed shaft, and the bearing is mounted on a portion of the end portion of the heating roller that is closer to an inside than the connection power feeder in an axial direction.
    Type: Application
    Filed: September 4, 2022
    Publication date: September 28, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi OHASHI, Takashi MATSUBARA, Takuma ISHIHARA
  • Publication number: 20230305458
    Abstract: A fixing device includes an endless belt-shaped section; a heating section that supports and rotates the belt-shaped section and generates heat during energization to heat the belt-shaped section; and a terminal portion that is provided at an end part of the heating section and feeds power to the heating section. An outer diameter of the terminal portion is equal to or smaller than an outer diameter of the heating section.
    Type: Application
    Filed: August 7, 2022
    Publication date: September 28, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi MATSUBARA, Takashi OHASHI, Takuma ISHIHARA
  • Publication number: 20230305461
    Abstract: A heating device includes a heating roller that includes a resistance heating layer, and a connection power feeder that is mounted on an end portion of the heating roller, is connected to the resistance heating layer, and feeds power to the resistance heating layer, in which the connection power feeder includes an annular frame that is disposed to be concentric with the heating roller and is conductively connected to the resistance heating layer, a power feed shaft of which a portion is disposed in the frame and which feeds power, plural rolling bodies that roll while being in conductive contact with an inner peripheral surface of the frame and an outer peripheral surface of the power feed shaft, and a non-conductive cover that holds and covers the frame and the rolling bodies in a state where a portion excluding the portion of the power feed shaft is exposed, and the connection power feeder excluding the power feed shaft is mounted on the heating roller so as to be integrally rotated with the heating roller.
    Type: Application
    Filed: September 26, 2022
    Publication date: September 28, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi OHASHI, Takashi MATSUBARA, Takuma ISHIHARA
  • Publication number: 20230305459
    Abstract: A fixing device includes a fixation member, a fixing member that has an outer peripheral surface and an inner peripheral surface, is rotatably provided with respect to the fixation member, comes into contact with, of a recording material on which an image is formed, a surface on which the image is formed, and fixes the image to the recording material, a rotating member that includes a contact surface, which is in contact with the inner peripheral surface of the fixing member, at an outer peripheral portion, includes a heat generating portion generating heat due to electric resistance, and is rotatable together with the heat generating portion with respect to the fixation member, and a power receiving member that includes a power receiving surface receiving power from the fixation member with a peripheral surface, has a spring characteristic of biasing the power receiving surface in a direction of the fixation member, and rotates together with the rotating member.
    Type: Application
    Filed: August 24, 2022
    Publication date: September 28, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi OHASHI, Takashi MATSUBARA, Takuma ISHIHARA
  • Patent number: 11650528
    Abstract: A resistance heating component is to come into contact with and heat a fixing belt made of a heat resistant material, and is to be provided at a position away from a fixing area between which the resistance heating component and the fixing belt a recording material is held and conveyed, the resistance heating component including: a metal base material having a low heat capacity; and a resistance heating layer laminated on a front surface or a rear surface of the base material with an insulating layer interposed between the base material and the resistance heating layer.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: May 16, 2023
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Ohashi, Takashi Matsubara, Takuma Ishihara
  • Patent number: 11644775
    Abstract: A heating device includes a heating roller having a resistance heat-generating layer that generates heat by passage of a current through the resistance heat-generating layer, a support member that supports a treatment portion in which a heating treatment is performed, a belt that is stretched between at least the heating roller and the support member and that rotates, and a pressure rotating body that rotates in such a manner as to press a sheet-shaped heating target that is an object to be subjected to a heating treatment against the treatment portion including an outer peripheral surface portion of the belt that is supported by the support member and in such a manner as to cause the heating target to pass through the treatment portion. The heating roller is not equipped with a power receiving component configured to receive a rotational power that is transmitted.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: May 9, 2023
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takuma Ishihara, Takashi Ohashi, Takashi Matsubara
  • Patent number: 11610804
    Abstract: According to one embodiment, a semiconductor manufacturing device according to an embodiment of the present invention includes a chamber; and a stage, wherein the stage comprises: a holding member arranged in the chamber, the holding member having a plurality of convex parts on a surface for mounting a substrate; and a plurality of pins moving up and down in a vertical direction with respect to the holding member, the plurality of lift pins rotating around a rotating shaft parallel to the vertical direction, wherein the plurality of lift pins rotates the substrate around the rotating shaft.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: March 21, 2023
    Assignee: Kioxia Corporation
    Inventor: Takashi Ohashi
  • Publication number: 20230085356
    Abstract: A semiconductor device includes a substrate, a stacked body, a plurality of columnar semiconductors, a semiconductor layer, and a conductive portion. The stacked body is placed above the substrate. The stacked body includes a plurality of conductive layers stacked with an insulating layer placed therebetween. The plurality of columnar semiconductors pass through the stacked body. The semiconductor layer is placed above the substrate. The semiconductor layer is connected to bottoms of the columnar semiconductors. The semiconductor layer has a groove pattern in a region adjacent to the stacked body. The conductive portion fills the groove pattern and is in contact with a side surface of the semiconductor layer in the region. The conductive portion electrically connects the semiconductor layer to the substrate.
    Type: Application
    Filed: March 4, 2022
    Publication date: March 16, 2023
    Inventors: Ryo SUEMITSU, Takashi OHASHI
  • Patent number: 11537072
    Abstract: A method of manufacturing a heat generating roller includes forming an insulating portion on a surface of a metal base member by providing poly-ether-ether-ketone resin over the surface of the base member and heating the poly-ether-ether-ketone resin, the poly-ether-ether-ketone resin being electrically insulating and heat-shrinkable; and forming a heat generating portion on a surface of the insulating portion, the heat generating portion generating heat when energized.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 27, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Matsubara, Takashi Ohashi, Takuma Ishihara
  • Publication number: 20220373946
    Abstract: A method of manufacturing a heat generating roller includes forming an insulating portion on a surface of a metal base member by providing poly-ether-ether-ketone resin over the surface of the base member and heating the poly-ether-ether-ketone resin, the poly-ether-ether-ketone resin being electrically insulating and heat-shrinkable; and forming a heat generating portion on a surface of the insulating portion, the heat generating portion generating heat when energized.
    Type: Application
    Filed: August 27, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi MATSUBARA, Takashi OHASHI, Takuma ISHIHARA
  • Publication number: 20220373948
    Abstract: A heating device includes a heating roller having a resistance heat-generating layer that generates heat by passage of a current through the resistance heat-generating layer, a support member that supports a treatment portion in which a heating treatment is performed, a belt that is stretched between at least the heating roller and the support member and that rotates, and a pressure rotating body that rotates in such a manner as to press a sheet-shaped heating target that is an object to be subjected to a heating treatment against the treatment portion including an outer peripheral surface portion of the belt that is supported by the support member and in such a manner as to cause the heating target to pass through the treatment portion. The heating roller is not equipped with a power receiving component configured to receive a rotational power that is transmitted.
    Type: Application
    Filed: August 31, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takuma ISHIHARA, Takashi OHASHI, Takashi MATSUBARA
  • Publication number: 20220373944
    Abstract: A resistance heating component is to come into contact with and heat a fixing belt made of a heat resistant material, and is to be provided at a position away from a fixing area between which the resistance heating component and the fixing belt a recording material is held and conveyed, the resistance heating component including: a metal base material having a low heat capacity; and a resistance heating layer laminated on a front surface or a rear surface of the base material with an insulating layer interposed between the base material and the resistance heating layer.
    Type: Application
    Filed: August 25, 2021
    Publication date: November 24, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Ohashi, Takashi Matsubara, Takuma Ishihara