Patents by Inventor Koichi Hasegawa

Koichi Hasegawa 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: 20240142703
    Abstract: A fusion splicer includes: a heater that heats a glass of an optical fiber; a pair of clamps that clamp a coated part of the optical fiber, wherein the pair of clamps is constituted by: a lower clamp on which a coated part of the optical fiber is disposed; and a coated part clamp that presses the coated part of the optical fiber against the lower clamp; a windproof cover that covers the heater and the coated part clamp; a retreat mechanism that causes the coated part clamp to retreat from the lower clamp; an opening/closing mechanism that opens and closes the windproof cover; and a pair of glass clamps attached to an inner surface of the windproof cover.
    Type: Application
    Filed: October 22, 2020
    Publication date: May 2, 2024
    Applicant: Fujikura Ltd.
    Inventors: Ryo Hasegawa, Koichi Yokota, Noriyuki Kawanishi
  • Publication number: 20240125931
    Abstract: A light receiving device (20) according to one aspect of the present disclosure includes: a light receiving section (22) including a plurality of photon-counting light receiving elements that receives reflected light from a distance measurement target (40) based on irradiation pulsed light from a light source section (10); a selecting section (23) that selects individual detection values of the plurality of light receiving elements at a predetermined time; an addition section (24) that generates 2N?1 binary values (N is a positive integer) from the individual detection values of the plurality of light receiving elements at the predetermined time selected by the selecting section (23) and that calculates an N-bit pixel value by adding up all the 2N?1 binary values; and a computing section (26) that performs computation related to distance measurement using the N-bit pixel value calculated by the addition section (24).
    Type: Application
    Filed: January 26, 2022
    Publication date: April 18, 2024
    Inventors: HIROAKI SAKAGUCHI, KOICHI HASEGAWA
  • Patent number: 11873213
    Abstract: An electrostatic-type transducer (1) includes: an insulator sheet (11) formed of an elastomer; a plurality of first electrode sheets (12, 13, 14) which is arranged on a front surface side of the insulator sheet (11), adhered to the insulator sheet (11) by fusion of the insulator sheet (11), and arranged with a distance from each other in the surface direction of the insulator sheet (11); and one second electrode sheet (15) which is disposed on the back surface side of the insulator sheet (11) and adhered to the insulator sheet (11) by fusion of the insulator sheet (11), and in which portions facing the plurality of first electrode sheets (12, 13, 14) and portions facing each region between the adjacent first electrode sheets (12, 13, 14) in the surface direction are formed integrally.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: January 16, 2024
    Assignee: Sumitomo Riko Company Limited
    Inventors: Koichi Hasegawa, Shinya Tahara, Katsuhiko Nakano, Masaaki Hamada, Masaki Nasu
  • Publication number: 20240006275
    Abstract: A source pad electrically coupled with a source of a MOSFET of a semiconductor chip and located at a position below a lead in cross-sectional view is electrically connected with the lead for source via a conductive member bonded to the source pad and a wire bonded to the conductive member.
    Type: Application
    Filed: April 26, 2023
    Publication date: January 4, 2024
    Inventors: Noriko NUMATA, Koichi HASEGAWA, Tatsuaki TSUKUDA
  • Patent number: 11773959
    Abstract: A driving force transmitting device includes a case, an electric motor, and a gearbox. The electric motor includes an output shaft. The gearbox includes a spur gear that rotates coaxially with the output shaft. The case includes a partition wall, a first accommodating chamber accommodating the electric motor, and a second accommodating chamber that accommodates a second driven gear. The partition separates the first accommodating chamber and the second accommodating chamber from each other. The partition wall includes a connecting hole that connects the first accommodating chamber and the second accommodating chamber to each other. The connecting hole is located on one direction side in relation to the central axis of the output shaft. At least part of the connecting hole overlaps with the spur gear when viewed in a direction along the central axis.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: October 3, 2023
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN CORPORATION
    Inventors: Hiroki Takeda, Akihiro Makino, Isao Sato, Haruhisa Suzuki, Yoshiteru Hagino, Koichi Hasegawa, Yasuaki Tahara, Masahiko Kanamaru, Jo Torii, Takeshi Torii, Tokiyoshi Kida
  • Patent number: 11750981
    Abstract: Provided is a transducer that can be manufactured without using a volatile adhesive or an organic solvent. A transducer is provided with: a first electrode sheet provided with a plurality of first through-holes; a dielectric layer, of which a first surface is disposed on the first-electrode-sheet side; and a first fusion-bonding layer formed from a fusion-bonding material, the first fusion-bonding layer joining together, by fusion bonding of the fusion-bonding material, a boundary region between a body portion of the dielectric layer and a first inner surface of the first electrode sheet and a boundary region between the body portion of the dielectric layer and a first inner circumferential surface of at least some of the plurality of first through-holes.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: September 5, 2023
    Assignee: Sumitomo Riko Company Limited
    Inventors: Katsuhiko Nakano, Masaki Nasu, Koichi Hasegawa, Shinya Tahara
  • Publication number: 20230249418
    Abstract: A method for forming a composite material that includes a product portion and a surplus portion formed on an end side of the product portion. The method includes placing in a forming jig having a forming surface the composite material before curing; and curing the composite material placed in the forming jig. The forming jig has a surplus forming section provided between the forming surface and the surplus portion. The surplus forming section is shaped in such a manner as to become thicker toward the outside of the composite material. The placing of the composite material includes mounting the surplus portion of the composite material on the surplus forming section to lift the surplus portion with respect to the product portion.
    Type: Application
    Filed: February 7, 2023
    Publication date: August 10, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Akihito SUZUKI, Koichi HASEGAWA, Satoshi OHMURA, Tsuyoshi OKAWARA, Hiromichi MATSUDA
  • Publication number: 20230147883
    Abstract: A method for generating a population of cardiomyocytes from induced pluripotent stem cells (iPSCs) in an integrated process. The method may comprise seeding the iPSCs on a modified surface of a modified cell culture substrate, culturing the seeded iPSCs on the modified surface of the modified cell culture substrate in an animal component-free culture medium, and differentiating the cultured iPSCs to the population of cardiomyocytes on the modified surface of the modified cell culture substrate. The modified cell culture substrate may comprise a patterned polydimethylsiloxane (PDMS) substrate, a first coating comprising a plurality of polydopamine molecules, and a second coating comprising a plurality of Laminin 511 E8 Fragment (LME8) molecules.
    Type: Application
    Filed: November 23, 2022
    Publication date: May 11, 2023
    Inventors: Fatemeh Etezadi, Koichi Hasegawa, Fatemeh Jahanpeyma
  • Patent number: 11641554
    Abstract: A transducer in which electrical connections between electrode sheets and leading wires can be secured via an approach other than soldering or welding is provided. In a sheet body portion, a dielectric layer and a first electrode sheet are joined by a first main fusion layer formed of a fusion material. A first conductive portion of a first leading wire is fixed to the sheet body portion by a first clamp. The first clamp includes a plurality of first leg portions that penetrates the sheet body portion in a thickness direction, a first coupling portion that couples the proximal ends of the plurality of first leg portions and is disposed across the first conductive portion, and a plurality of first bent-back portions that is formed by bending the respective distal ends of the plurality of first leg portions and is locked with a second surface of the sheet body portion.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: May 2, 2023
    Assignee: Sumitomo Riko Company Limited
    Inventors: Koichi Hasegawa, Shinya Tahara, Katsuhiko Nakano, Masaki Nasu
  • Publication number: 20230092217
    Abstract: A driving force transmitting device includes a case, an electric motor, and a gearbox. The electric motor includes an output shaft. The gearbox includes a spur gear that rotates coaxially with the output shaft. The case includes a partition wall, a first accommodating chamber accommodating the electric motor, and a second accommodating chamber that accommodates a second driven gear. The partition separates the first accommodating chamber and the second accommodating chamber from each other. The partition wall includes a connecting hole that connects the first accommodating chamber and the second accommodating chamber to each other. The connecting hole is located on one direction side in relation to the central axis of the output shaft. At least part of the connecting hole overlaps with the spur gear when viewed in a direction along the central axis.
    Type: Application
    Filed: September 1, 2022
    Publication date: March 23, 2023
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN CORPORATION
    Inventors: Hiroki TAKEDA, Akihiro MAKINO, Isao SATO, Haruhisa SUZUKI, Yoshiteru HAGINO, Koichi HASEGAWA, Yasuaki TAHARA, Masahiko KANAMARU, Jo TORII, Takeshi TORII, Tokiyoshi KIDA
  • Patent number: 11396141
    Abstract: A repair patch is for a composite material to repair a part to be repaired which is a repair target of the composite material. The patch includes a patch main body that is formed by laminating a plurality of fiber reinforced preforms in a thickness direction, and has a bonding surface to be bonded to the part to be repaired; and a removal layer that is provided on the bonding surface to be peelable off from the patch main body. The bonding surface includes an inclined surface that is inclined with respect to the thickness direction of the patch main body. The removal layer includes a processed portion that causes the removal layer to have a shape complementary to a shape of the inclined surface of the patch main body.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: July 26, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kodai Shimono, Koichi Hasegawa, Takuma Hirai
  • Publication number: 20220176659
    Abstract: A fitting method is for fitting a material to be repaired and a repair patch to be adhesively bonded to the material at adhesive surfaces, each adhesive surface having at least two or more of curved portions. The fitting method includes measuring a shape of the material; measuring a shape of the repair patch; dividing repair patch shape measurement data acquired at measuring the shape of repair patch into pieces of divided data each including one or less of the curved portions; performing, at the adhesive surfaces, fitting processing of the pieces of divided data acquired at dividing the repair patch shape measurement data to material-to-be-repaired shape measurement data acquired at measuring the shape of material; and calculating a gap amount between the material-to-be-repaired shape measurement data and repair patch shape fitting data acquired from the fitting processing at the adhesive surfaces.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 9, 2022
    Inventors: Yuichi YUI, Akihiro TERASAKA, Kenji WADA, Yoshifusa TOBATA, Koichi HASEGAWA, Yasunobu ISHIDA
  • Publication number: 20220167094
    Abstract: A transducer in which electrical connections between electrode sheets and leading wires can be secured via an approach other than soldering or welding is provided. In a sheet body portion, a dielectric layer and a first electrode sheet are joined by a first main fusion layer formed of a fusion material. A first conductive portion of a first leading wire is fixed to the sheet body portion by a first clamp. The first clamp includes a plurality of first leg portions that penetrates the sheet body portion in a thickness direction, a first coupling portion that couples the proximal ends of the plurality of first leg portions and is disposed across the first conductive portion, and a plurality of first bent-back portions that is formed by bending the respective distal ends of the plurality of first leg portions and is locked with a second surface of the sheet body portion.
    Type: Application
    Filed: February 9, 2022
    Publication date: May 26, 2022
    Applicant: Sumitomo Riko Company Limited
    Inventors: Koichi HASEGAWA, Shinya TAHARA, Katsuhiko NAKANO, Masaki NASU
  • Patent number: 11338529
    Abstract: A repair patch includes a composite material to repair a a repair target of a composite material. The repair patch includes bonding surfaces which face a bonded surface of a counterbored hole formed in the part to be repaired, and are bonded to the counterbored hole; and an opposite surface opposite to the bonding surfaces in a thickness direction. The opposite surface has a curved plane with a first surface side curvature radius protruding toward the opposite surface in a cross section cut along a plane intersecting an axial direction in the opposite surface. The bonded surface has a curved plane with a second surface side curvature radius protruding toward the bonding surfaces facing the bonded surface in a cross section cut along a plane intersecting an axial direction in the bonded surface. The first surface side curvature radius is smaller than the second surface side curvature radius.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: May 24, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kodai Shimono, Koichi Hasegawa, Takuma Hirai, Shunsuke Yoshino, Jo Nishimuro
  • Publication number: 20220066038
    Abstract: Reduction in distance measurement accuracy is decreased. A distance measuring device according to embodiments includes an array (142) in which a plurality of light-receiving elements each configured to detect incidence of a photon are arranged, a read circuit (22) configured to read a detection signal from each of the light-receiving elements, and a plurality of computing units (15-1 to 15-4) configured to generate depth information on a distance to an object present in an angle of view in different regions in the array, based on the detection signals read from the light-receiving elements belonging to the different regions. The computing units generate the depth information using computation coefficients (16-1 to 16-4) at least partially different from each other.
    Type: Application
    Filed: January 17, 2020
    Publication date: March 3, 2022
    Inventors: YOUSUKE MORITA, KOICHI HASEGAWA
  • Patent number: 11265658
    Abstract: A transducer in which electrical connections between electrode sheets and leading wires can be secured via an approach other than soldering or welding is provided. In a sheet body portion, a dielectric layer and a first electrode sheet are joined by a first main fusion layer formed of a fusion material. A first conductive portion of a first leading wire is fixed to the sheet body portion by a first clamp. The first clamp includes a plurality of first leg portions that penetrates the sheet body portion in a thickness direction, a first coupling portion that couples the proximal ends of the plurality of first leg portions and is disposed across the first conductive portion, and a plurality of first bent-back portions that is formed by bending the respective distal ends of the plurality of first leg portions and is locked with a second surface of the sheet body portion.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: March 1, 2022
    Assignee: Sumitomo Riko Company Limited
    Inventors: Koichi Hasegawa, Shinya Tahara, Katsuhiko Nakano, Masaki Nasu
  • Publication number: 20210404497
    Abstract: A joint member according to at least one embodiment of the present disclosure includes a resin member, and a metal member which includes a base material, and a cubic lattice part formed on a surface of the base material and embedded with the resin member. The cubic lattice part includes a plurality of lattice points and a plurality of arms connecting the lattice points, respectively. Of the plurality of lattice points, an outermost lattice point far from the surface of the base material includes at least three lattice points forming an inclined surface with respect to the surface.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 30, 2021
    Inventors: Takahiro TACHIBANA, Ryouji OKABE, Masami KAMIYA, Yasunori WATANABE, Koichi HASEGAWA, Yuichi YUI, Akihisa OKUDA
  • Publication number: 20210302552
    Abstract: An object of the present invention is to provide a time measurement device that facilitates a circuit layout. A time measurement device (20) of the present invention includes: a plurality of pixels (30) provided side by side in a first direction, and each including a single-photon avalanche diode (SPAD) disposed on a first semiconductor substrate, and each generating a first logic signal (S35) depending on detection timing in the single-photon avalanche diode (SPAD); and a time measurement section (24) that is disposed on a second semiconductor substrate attached to the first semiconductor substrate and measures the detection timing in each of the plurality of pixels (30).
    Type: Application
    Filed: May 25, 2021
    Publication date: September 30, 2021
    Inventor: Koichi Hasegawa
  • Publication number: 20210291229
    Abstract: An electrostatic transducer that enables improvement of detection accuracy or driving precision while allowing flexibility is provided. The electrostatic transducer (1) is provided with: an insulator sheet (11); at least one electrode sheet (12) which is laminated on the insulator sheet (11), constitutes a target region to be used as a detection region or a driving region, is formed of an elastomer comprising a conductive filler, and includes at least one terminal part (12b); and at least one bypass conductor (13) which has an electrical resistivity less than that of the electrode sheet (12), is disposed in contact with the electrode sheet (12) along the surface of a part of the electrode sheet (12), and is electrically connected to the electrode sheet (12) in the area in contact with the electrode sheet (12).
    Type: Application
    Filed: June 8, 2021
    Publication date: September 23, 2021
    Applicant: Sumitomo Riko Company Limited
    Inventors: Koichi HASEGAWA, Shinya TAHARA, Katsuhiko NAKANO, Masaki NASU
  • Patent number: 11111348
    Abstract: A method is for treating a surface of a resin material layer. The method includes a first step of introducing as a substituent at least one selected from the group consisting of an acid halide and an alkyl halide into an aromatic polyether-based resin included in the resin material layer by Friedel-Crafts reaction.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 7, 2021
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY
    Inventors: Koichi Hasegawa, Toshio Abe, Kiyoka Takagi, Takashi Nishino, Takuya Matsumoto, Akira Miyagaki