Patents by Inventor Naoki Yokoyama

Naoki Yokoyama 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: 11940347
    Abstract: A pressure sensor has a stem in which a pressure introduction hole into which a pressure medium is introduced and a diaphragm deformable according to the pressure of the pressure medium are formed, and a strain detecting element which is arranged on the diaphragm via an insulating film and being configured to output a detection signal according to the deformation of the diaphragm. The strain detecting element is configured to have a portion made of polysilicon. A low doping layer having a higher electrical resistivity than polysilicon and a higher crystallinity than the insulating film is arranged between the insulating film and the strain detecting element.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: March 26, 2024
    Assignees: DENSO CORPORATION, NAGANO KEIKI CO., LTD.
    Inventors: Hiroshi Kodama, Naoki Yoshida, Kaori Miyashita, Eiji Takeda, Nobuaki Yamada, Yoshihiro Tomomatsu, Yasushi Yanagisawa, Yusuke Midorikawa, Shirou Kamanaru, Kenichi Yokoyama, Inao Toyoda, Hisayuki Takeuchi, Naohisa Niimi, Masao Takahashi, Yasutake Ura, Kouji Asano, Yukihiro Kamada
  • Patent number: 11802175
    Abstract: Provided is a polyurethane-modified epoxy resin having favorable processing operability in casting, impregnation, or the like in a composition state, a method for producing the same, and a composition of the same. Provided is a low-concentration polyurethane-modified epoxy resin including: a polyurethane having a secondary hydroxyl group-containing bisphenol-based epoxy resin that has an epoxy equivalent of 150 to 200 g/eq and a hydroxyl equivalent of 2,000 to 2,600 g/eq, added to both terminals and/or a single terminal thereof, in which the polyurethane is a modified product of the epoxy resin that is modified with a middle- and high-molecular-weight polyol compound having an Mn of 200 or larger, a polyisocyanate compound, and a low-molecular-weight polyol compound as a chain extender having an Mn of less than 200, and the epoxy resin is used in an amount of 68 to 92 weight % based on a total amount of the components.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: October 31, 2023
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Naoki Yokoyama, Tetsuya Nakanishi
  • Patent number: 11772923
    Abstract: A sheet feeding apparatus for feeding sheets is provided with a multi feed detecting section for detecting multi feed of conveyed sheets in a predetermined detection position of a conveyance path, and first and second discharge sections to which multi-fed sheets with the multi feed detected are discharged, and corresponding to one of a front end position of the multi-fed sheets at the time the multi feed detecting section detects the multi feed of sheets, a sheet storage state of the second discharge section, sheet storage states of the first and second discharge sections, a size of sheets and weighing, selects one of the first and second discharge sections to discharge the multi-fed sheets to the selected discharge section.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: October 3, 2023
    Assignee: CANON FINETECH NISCA INC.
    Inventors: Jun Natori, Akiharu Higaki, Takuya Sakamoto, Naoki Yokoyama, Kazunori Hatakawa, Naoto Takeshita, Hiroshi Yazawa, Noritoshi Aikawa, Masatoshi Ozawa, Makoto Ozawa
  • Patent number: 11472185
    Abstract: A liquid ejecting apparatus includes: a liquid ejecting portion configured to eject a liquid from a nozzle disposed in a nozzle surface; a wiping mechanism configured to execute a wiping operation of wiping the nozzle surface with a strip-shaped member, which is configured to absorb the liquid ejected by the liquid ejecting portion, in contact with the nozzle surface; a wiping solution supply mechanism configured to supply a wiping solution to the strip-shaped member before the wiping operation is performed; and a control portion, and the control portion reduces the amount of the wiping solution held in the strip-shaped member in the wiping operation when the nozzle surface with a large amount of the liquid adhering thereto is wiped as compared with the amount of the wiping solution when the nozzle surface with a small amount of the liquid adhering thereto is wiped.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: October 18, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Masanobu Yamaguchi, Naoki Yokoyama, Hitotoshi Kimura
  • Publication number: 20220204293
    Abstract: A sheet feeding apparatus for feeding sheets is provided with a multi feed detecting section for detecting multi feed of conveyed sheets in a predetermined detection position of a conveyance path, and first and second discharge sections to which multi-fed sheets with the multi feed detected are discharged, and corresponding to one of a front end position of the multi-fed sheets at the time the multi feed detecting section detects the multi feed of sheets, a sheet storage state of the second discharge section, sheet storage states of the first and second discharge sections, a size of sheets and weighing, selects one of the first and second discharge sections to discharge the multi-fed sheets to the selected discharge section.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 30, 2022
    Applicant: CANON FINETECH NISCA INC.
    Inventors: Jun NATORI, Akiharu HIGAKI, Takuya SAKAMOTO, Naoki YOKOYAMA, Kazunori HATAKAWA, Naoto TAKESHITA, Hiroshi YAZAWA, Noritoshi AIKAWA, Masatoshi OZAWA, Makoto OZAWA
  • Patent number: 11325383
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion that ejects a liquid, a belt-shaped member absorbs the liquid, a feeding portion that retains the belt-shaped member in a rolled state, a pressing portion presses a contact portion of a portion of the belt-shaped member wound off from the feeding portion and bring the contact portion into contact with the liquid ejecting portion, the contact portion being located in a contact area, a winding portion moves the contact portion in a moving direction by winding up the belt-shaped member, and a control portion that, when it is assumed that a contact length is a length of the contact portion along the direction of movement, causes the winding portion to wind up the belt-shaped member corresponding to a length longer than the contact length after bringing the contact portion into contact with the liquid ejecting portion.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: May 10, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Yuji Kanazawa, Naoki Yokoyama, Masanobu Yamaguchi, Hitotoshi Kimura
  • Patent number: 11306178
    Abstract: Provided is a polyurethane-modified epoxy resin composition having satisfactory operability of processing, such as casting or impregnation, in a composition state. The epoxy resin composition includes, as essential components, the following components (A) to (D): (A) a low-concentration polyurethane-modified epoxy resin containing a polyurethane having an epoxy resin added to each of both terminals thereof and/or one terminal thereof; (B) a polyurethane-unmodified epoxy resin that is liquid at 30° C.; (C) a solid epoxy resin having a bisphenol structure, the resin having a glass transition temperature or a melting point of 50° C. or more; and (D) an amine-based curing agent that is dicyandiamide or a derivative thereof, wherein the epoxy resin composition includes the component (A) at from 3.0 wt % to 30.0 wt %, and the component (C) at from 0.1 wt % to 40.0 wt % with respect to the total of the components (A) to (D).
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: April 19, 2022
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Koichi Hattori, Naoki Yokoyama
  • Publication number: 20220080354
    Abstract: A perforated metallic base material for purging exhaust is obtained by laminating a wavy foil having pores and a flat foil having pores and forming the same into a cylindrical shape, wherein the wavy foil and/or the flat foil has axially perforated portions having pores throughout the axial direction of the cylindrical shape and axially non-perforated portions not having pores overall in the axial direction of the cylindrical form.
    Type: Application
    Filed: February 5, 2020
    Publication date: March 17, 2022
    Applicant: CATALER CORPORATION
    Inventors: Naoki YOKOYAMA, Akio KUBOTA, Nobuaki BANDO, Chihiro KASUYA
  • Patent number: 11267204
    Abstract: The present invention relates to a band-like joint tape for covering a butting portion formed by butting an end portion of a one packing film to an end portion of another packing film and connecting the respective end portions of these packing films to each other. The joint tape is comprised of a laminate film formed by adhering a joint layer to a support layer at a peelable state, and covered so as to face the joint portion to the butting portion and heat-sealed so that the joint layer is fused to the butting portion and the fused portion of the joint layer is peeled off from the support layer.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: March 8, 2022
    Assignee: TAISEI LAMICK CO., LTD.
    Inventors: Naoki Yokoyama, Naoya Hamada, Tomohiro Shibasaki
  • Publication number: 20220032732
    Abstract: A battery heating device includes: a radiator and a heater core arranged in parallel with each other; a battery temperature adjusting unit for heating a battery with a heat medium; a first branch branching the heat medium between the radiator and the heater core; a first confluence where the heat medium merges; a second branch where the heat medium from a heat emitter is branched to the battery temperature adjustment unit; a second confluence where the heat medium flowing through the battery temperature adjustment unit merges; and a radiator flow rate reducing part arranged in a passage for the heat medium from the first branch or the second branch closer to the radiator to the first confluence or the second confluence closer to the radiator via the radiator.
    Type: Application
    Filed: October 14, 2021
    Publication date: February 3, 2022
    Inventors: Masamichi MAKIHARA, Yoshiki KATOH, Takahiro MAEDA, Kuniyoshi TANIOKA, Naoki YOKOYAMA
  • Patent number: 11135577
    Abstract: The invention provides: an exhaust-gas-purifying metal substrate capable of achieving both low pressure loss and high purification performance; and an exhaust gas purification device using the metal substrate. The invention relates to an exhaust-gas-purifying perforated metal substrate in which a corrugated foil and a flat foil are layered and made into a cylindrical shape, wherein: the perforated metal substrate includes from 50/in2 to 800/in2 of cells; the corrugated foil includes a plurality of first holes having an area that is from 2.0 to 50 times the average opening area of the cells; the flat foil includes a plurality of second holes having an area that is from 3.0 to 100 times the average opening area of the cells; and the average value of the area of the first holes in the corrugated foil is smaller than the average value of the area of the second holes in the flat foil.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: October 5, 2021
    Assignee: CATALER CORPORATION
    Inventors: Yuki Fujimura, Akio Kubota, Naoki Yokoyama, Junichi Hori
  • Publication number: 20210237451
    Abstract: A liquid ejecting apparatus includes: a liquid ejecting portion configured to eject a liquid from a nozzle disposed in a nozzle surface; a wiping mechanism configured to execute a wiping operation of wiping the nozzle surface with a strip-shaped member, which is configured to absorb the liquid ejected by the liquid ejecting portion, in contact with the nozzle surface; a wiping solution supply mechanism configured to supply a wiping solution to the strip-shaped member before the wiping operation is performed; and a control portion, and the control portion reduces the amount of the wiping solution held in the strip-shaped member in the wiping operation when the nozzle surface with a large amount of the liquid adhering thereto is wiped as compared with the amount of the wiping solution when the nozzle surface with a small amount of the liquid adhering thereto is wiped.
    Type: Application
    Filed: January 27, 2021
    Publication date: August 5, 2021
    Inventors: Masanobu YAMAGUCHI, Naoki YOKOYAMA, Hitotoshi KIMURA
  • Patent number: 11029073
    Abstract: A cold storage heat exchanger includes refrigerant tubes having therein refrigerant passages and arranged to provide a clearance therebetween. A cold storage container is bonded to a refrigerant tube and defines therein a compartment receiving a cold storage material. The cold storage container has protrusion portions protruding outward and being in contact with the refrigerant tube.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: June 8, 2021
    Assignee: DENSO CORPORATION
    Inventors: Atsushi Yamada, Seiji Inoue, Yoshio Miyata, Naoki Yokoyama, Etsuo Hasegawa, Jun Abei, Hiroshi Ishikawa, Aun Ota, Kouta Hagihara
  • Publication number: 20210107285
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion that ejects a liquid, a belt-shaped member absorbs the liquid, a feeding portion that retains the belt-shaped member in a rolled state, a pressing portion presses a contact portion of a portion of the belt-shaped member wound off from the feeding portion and bring the contact portion into contact with the liquid ejecting portion, the contact portion being located in a contact area, a winding portion moves the contact portion in a moving direction by winding up the belt-shaped member, and a control portion that, when it is assumed that a contact length is a length of the contact portion along the direction of movement, causes the winding portion to wind up the belt-shaped member corresponding to a length longer than the contact length after bringing the contact portion into contact with the liquid ejecting portion.
    Type: Application
    Filed: October 6, 2020
    Publication date: April 15, 2021
    Inventors: Yuji KANAZAWA, Naoki YOKOYAMA, Masanobu YAMAGUCHI, Hitotoshi KIMURA
  • Publication number: 20210047458
    Abstract: Provided is a polyurethane-modified epoxy resin having favorable processing operability in casting, impregnation, or the like in a composition state, a method for producing the same, and a composition of the same. Provided is a low-concentration polyurethane-modified epoxy resin including: a polyurethane having a secondary hydroxyl group-containing bisphenol-based epoxy resin that has an epoxy equivalent of 150 to 200 g/eq and a hydroxyl equivalent of 2,000 to 2,600 g/eq, added to both terminals and/or a single terminal thereof, in which the polyurethane is a modified product of the epoxy resin that is modified with a middle- and high-molecular-weight polyol compound having an Mn of 200 or larger, a polyisocyanate compound, and a low-molecular-weight polyol compound as a chain extender having an Mn of less than 200, and the epoxy resin is used in an amount of 68 to 92 weight % based on a total amount of the components.
    Type: Application
    Filed: March 15, 2019
    Publication date: February 18, 2021
    Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Naoki Yokoyama, Tetsuya Nakanishi
  • Publication number: 20210032400
    Abstract: Provided is a polyurethane-modified epoxy resin composition having satisfactory operability of processing, such as casting or impregnation, in a composition state. The epoxy resin composition includes, as essential components, the following components (A) to (D): (A) a low-concentration polyurethane-modified epoxy resin containing a polyurethane having an epoxy resin added to each of both terminals thereof and/or one terminal thereof; (B) a polyurethane-unmodified epoxy resin that is liquid at 30° C.; (C) a solid epoxy resin having a bisphenol structure, the resin having a glass transition temperature or a melting point of 50° C. or more; and (D) an amine-based curing agent that is dicyandiamide or a derivative thereof, wherein the epoxy resin composition includes the component (A) at from 3.0 wt % to 30.0 wt %, and the component (C) at from 0.1 wt % to 40.0 wt % with respect to the total of the components (A) to (D).
    Type: Application
    Filed: March 15, 2019
    Publication date: February 4, 2021
    Applicant: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Koichi Hattori, Naoki Yokoyama
  • Publication number: 20200391698
    Abstract: An electromagnetic wave utilization system includes an electromagnetic wave device configured to send or/and receive an electromagnetic wave, and a passage part through which passes the electromagnetic wave utilized by the electromagnetic wave device. The passage part includes an inner member provided to face the electromagnetic wave device, an outer member provided on the opposite side to the electromagnetic wave device, and a heat insulating portion disposed between the inner member and the outer member so as to suppress fogging on a portion of the inner member through which the electromagnetic wave passes.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Inventors: Kotaro FUKUDA, Koji OTA, Junji GOTO, Tatsuhiko NISHINO, Naoki YOKOYAMA
  • Publication number: 20200391672
    Abstract: An electromagnetic wave utilization system for a vehicle includes an electromagnetic wave device that sends or/and receives an electromagnetic wave, and a passage part through which passes the electromagnetic wave utilized by the electromagnetic wave device. The passage part has a hydrophilic portion having hydrophilicity. Accordingly, it is possible to suppress fogging of the passage part through which the electromagnetic wave passes with a simple configuration.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Inventors: Kotaro FUKUDA, Koji OTA, Naoki YOKOYAMA, Junji GOTO, Tatsuhiko NISHINO
  • Publication number: 20200230586
    Abstract: The invention provides: an exhaust-gas-purifying metal substrate capable of achieving both low pressure loss and high purification performance; and an exhaust gas purification device using the metal substrate. The invention relates to an exhaust-gas-purifying perforated metal substrate in which a corrugated foil and a flat foil are layered and made into a cylindrical shape, wherein: the perforated metal substrate includes from 50/in2 to 800/in2 of cells; the corrugated foil includes a plurality of first holes having an area that is from 2.0 to 50 times the average opening area of the cells; the flat foil includes a plurality of second holes having an area that is from 3.0 to 100 times the average opening area of the cells; and the average value of the area of the first holes in the corrugated foil is smaller than the average value of the area of the second holes in the flat foil.
    Type: Application
    Filed: June 22, 2018
    Publication date: July 23, 2020
    Applicant: CATALER CORPORATION
    Inventors: Yuki FUJIMURA, Akio KUBOTA, Naoki YOKOYAMA, Junichi HORI
  • Publication number: 20200223151
    Abstract: The present invention relates to a band-like joint tape for covering a butting portion formed by butting an end portion of a one packing film to an end portion of another packing film and connecting the respective end portions of these packing films to each other. The joint tape is comprised of a laminate film formed by adhering a joint layer to a support layer at a peelable state, and covered so as to face the joint portion. to the butting portion and heat-sealed so that the joint layer is fused to the butting portion and the fused portion of the joint layer is peeled off from the support layer.
    Type: Application
    Filed: September 24, 2019
    Publication date: July 16, 2020
    Applicant: TAISEI LAMICK CO., LTD.
    Inventors: Naoki YOKOYAMA, Naoya HAMADA, Tomohiro SHIBASAKI