Patents by Inventor Tomoya Hattori

Tomoya Hattori 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: 20240189970
    Abstract: An impact wrench includes a motor including a rotor rotatable about a rotation axis extending in a front-rear direction, a spindle rotatable with a rotational force from the rotor, an anvil frontward from at least a part of the spindle and including an anvil shaft and an anvil projection, and a hammer including a hammer projection that strikes the anvil projection in a rotation direction. The anvil shaft includes a first shaft having a circular cross section, a second shaft having a rectangular cross section, and an intermediate portion between the first and second shafts. The second shaft includes four flat portions and four flat portion connectors. Each flat portion has a first edge and a second edge. The intermediate portion includes support portions each connected to the first edge and is connected to the second edge of each flat portion at positions rearward from the support portions.
    Type: Application
    Filed: December 5, 2023
    Publication date: June 13, 2024
    Applicant: MAKITA CORPORATION
    Inventors: Tokuo HIRABAYASHI, Kihiro KUSUMOTO, Tomoya HATTORI
  • Publication number: 20240157521
    Abstract: A leak of a lubricant oil contained in a hammer case is reduced. An impact tool includes a motor including a rotor, a striker rotatable by the rotor, an anvil strikable by the striker, a hammer case having an opening, an anvil bearing fixed to the hammer case inside the hammer case and supporting the anvil, a seal between the anvil bearing and the anvil inside the hammer case, and a support facing the opening and supporting the seal from a front. The support has a smaller inner diameter than the opening.
    Type: Application
    Filed: October 10, 2023
    Publication date: May 16, 2024
    Applicant: MAKITA CORPORATION
    Inventor: Tomoya HATTORI
  • Publication number: 20240085663
    Abstract: A mirror support mechanism includes three first supporting members and three second supporting members. Each first supporting member includes a mirror supporting portion that is in contact with and support a corresponding one of three supported surfaces provided on the supported portion with rotational symmetry of 120 degrees around an optical axis, and two first beam portions connected to both sides of the mirror supporting portion. Each second supporting member includes a supporting portion to which ends of two first beam portions adjacent to each other are connected, the ends being not connected to the mirror supporting portion, and two second beam portions connected to both sides of the supporting portion, an end of the second beam portion not connected to the supporting portion being supported by a structure member provided on the rear side of the reflecting mirror.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 14, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tomoya HATTORI, Takayuki SAKAI, Atsumu OIKAWA, Kouichi TAKEDA
  • Publication number: 20240075609
    Abstract: A power tool is less likely to have lower workability. A power tool includes a motor including a rotor rotatable about a rotation axis extending in a front-rear direction and a stator, an output unit located frontward from the motor and rotatable in response to a rotational force from the rotor, a motor compartment accommodating the motor, a grip extending downward from the motor compartment, a rear rotor bearing supporting a rear portion of the rotor, and a rear cover covering an opening at a rear end of the motor compartment and holding the rear rotor bearing. The motor compartment includes a guide that guides the rear cover in a first circumferential direction and frontward, a front-rear restrictor that restricts front-rear movement of the rear cover, and a circumferential restrictor that restricts circumferential movement of the rear cover.
    Type: Application
    Filed: August 17, 2023
    Publication date: March 7, 2024
    Applicant: MAKITA CORPORATION
    Inventors: Ding ZHAO, Yuta SUZUKI, Tomoya HATTORI
  • Publication number: 20230136316
    Abstract: A robot includes elbows connecting forearms rotatably to upper arms with two rotational degrees of freedom. The elbow includes: an elbow joint connecting the forearm and the upper arm with two rotational degrees of freedom; an elbow drive main link; an elbow drive auxiliary link; a forearm-side main link attaching unit attached with one end of the elbow drive main link with two rotational degrees of freedom, and provided in the forearm; an elbow-drive-main-link-side auxiliary link attaching unit attached with one end of the elbow drive auxiliary link with two rotational degrees of freedom, and provided on the elbow drive main link; and two linear actuators for moving two upper-arm-side link attaching units each attached with the other end of either the elbow drive main link or the elbow drive auxiliary link with two rotational degrees of freedom, and provided so as to be movable along the upper arm.
    Type: Application
    Filed: December 29, 2022
    Publication date: May 4, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Noboru KAWAGUCHI, Hidetaka YAMAUCHI, Tomoya HATTORI, Koji HIROSE
  • Patent number: 11571806
    Abstract: A three-rotational-degree-of-freedom connection mechanism required for a robot that can make motion similar to a human has a simple structure, and there is no restriction on motion within a movable range. The three-rotational-degree-of-freedom connection mechanism includes a joint connecting a second member rotatably to a first member with three rotational degrees of freedom including rotation around a torsion axis, three actuators each including variable length links having a variable length, and power sources for generating force changing the lengths of variable length links and three first-member-side link attaching units provided in first member and the second-member-side link attaching units provided on the second member such that variable length links having a twisted relationship with respect to a torsion axis exist in each state within a movable range of joint.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: February 7, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Noboru Kawaguchi, Hidetaka Yamauchi, Tomoya Hattori, Koji Hirose
  • Patent number: 11511967
    Abstract: A structure having limited supportable portions has been difficult to isolate from vibration in the direction in which a load is applied. A base isolation apparatus includes a Z-axis base isolation unit, an X-axis base isolation unit, and a Y-axis base isolation unit. The base isolation unit includes a vibration-source connector, an isolated-object connector, a lock device disposed between the isolated-object connector and the vibration-source connector for switching between a state of fixing the isolated-object connector and a state of making it movable, a distance recovery device for generating a force to cause an amount of change in distance to approach zero, depending on the amount of change, and a vibration damper for generating a force in an orientation of hindering the change, depending on the rate of change in distance.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: November 29, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomoya Hattori, Noboru Kawaguchi
  • Patent number: 11506865
    Abstract: A honeycomb sandwich panel having an absolute value of thermal expansion coefficient smaller than an absolute value of thermal expansion coefficient obtained by using carbon fiber reinforced plastic (CFRP) is provided. The honeycomb sandwich panel includes: a first skin being a plate material made of a low expansion metal being a metal having an absolute value of thermal expansion coefficient smaller than an absolute value of thermal expansion coefficient of CFRP; a second skin being a plate material made of the low expansion metal and arranged to face the first skin; and a core made of CFRP or the low expansion metal, being bonded to the first skin and the second skin and including a plurality of tubular cells each having a hexagonal cross section, the tubular cells being formed adjacently to each other.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: November 22, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tomoya Hattori, Noboru Kawaguchi, Toshitaka Nakaoji, Atsumu Oikawa
  • Patent number: 11391913
    Abstract: An optical device can deal with a relative difference in thermal expansion coefficient between a reflecting mirror and a mirror supporting member, and can also support the reflecting mirror with a simpler structure than the conventional one. The optical device includes: a reflecting mirror including a reflecting surface to reflect light, and a supported portion disposed on a rear surface and having three supported surfaces arranged with rotational symmetry of 120 degrees around an optical axis, the rear surface being a surface of the reflecting mirror existing on the contrary side to the reflecting surface; a structural member provided on a rear side of reflecting mirror; and three supporting members, each of the three supporting members including a mirror supporting portion connected to and supporting each of the three supported surfaces, and having two ends connected to the structural member.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: July 19, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tomoya Hattori, Noboru Kawaguchi, Toshitaka Nakaoji, Atsumu Oikawa
  • Patent number: 11268572
    Abstract: A rolling-sliding member that is high in hardness and continues to have a passivation film reliably even after being subjected to a process that does not require any processing for removal of scale, etc., as well as a rolling bearing using the same and a method for manufacturing the rolling-sliding member.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: March 8, 2022
    Assignees: JTEKT CORPORATION, DAIDO STEEL CO., LTD.
    Inventors: Nao Inazaki, Fumihiro Furukawa, Kanji Kawasaki, Hisato Nishisaka, Tomoya Hattori, Kazuhisa Kitamura, Yusuke Kusafuka, Keita Hinoshita, Hiroyuki Takabayashi, Kazuhisa Ishida
  • Publication number: 20220026668
    Abstract: An optical device can deal with a relative difference in thermal expansion coefficient between a reflecting mirror and a mirror supporting member, and can also support the reflecting mirror with a simpler structure than the conventional one. The optical device includes: a reflecting mirror including a reflecting surface to reflect light, and a supported portion disposed on a rear surface and having three supported surfaces arranged with rotational symmetry of 120 degrees around an optical axis, the rear surface being a surface of the reflecting mirror existing on the contrary side to the reflecting surface; a structural member provided on a rear side of reflecting mirror; and three supporting members, each of the three supporting members including a mirror supporting portion connected to and supporting each of the three supported surfaces, and having two ends connected to the structural member.
    Type: Application
    Filed: December 12, 2019
    Publication date: January 27, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tomoya HATTORI, Noboru KAWAGUCHI, Toshitaka NAKAOJI, Atsumu OIKAWA
  • Publication number: 20220026667
    Abstract: A honeycomb sandwich panel having an absolute value of thermal expansion coefficient smaller than an absolute value of thermal expansion coefficient obtained by using carbon fiber reinforced plastic (CFRP) is provided. The honeycomb sandwich panel includes: a first skin being a plate material made of a low expansion metal being a metal having an absolute value of thermal expansion coefficient smaller than an absolute value of thermal expansion coefficient of CFRP; a second skin being a plate material made of the low expansion metal and arranged to face the first skin; and a core made of CFRP or the low expansion metal, being bonded to the first skin and the second skin and including a plurality of tubular cells each having a hexagonal cross section, the tubular cells being formed adjacently to each other.
    Type: Application
    Filed: December 12, 2019
    Publication date: January 27, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tomoya HATTORI, Noboru KAWAGUCHI, Toshitaka NAKAOJI, Atsumu OIKAWA
  • Patent number: 11215230
    Abstract: A rolling-sliding member that is high in hardness and continues to have a passivation film reliably even after being subjected to a process that does not require any processing for removal of scale etc., as well as a rolling bearing using the same and a method for manufacturing the rolling-sliding member.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: January 4, 2022
    Assignees: JTEKT CORPORATION, DAIDO STEEL CO., LTD.
    Inventors: Nao Inazaki, Fumihiro Furukawa, Kanji Kawasaki, Hisato Nishisaka, Tomoya Hattori, Kazuhisa Kitamura, Yusuke Kusafuka, Keita Hinoshita, Hiroyuki Takabayashi, Kazuhisa Ishida
  • Patent number: 11086100
    Abstract: A mirror support includes a first rod in which one end is connected to an arm at a position closer to a side of a first pad fixed to the mirror with respect to a second pad fixed to the mirror while the other end stretched and inclined onto the side of first pad from the position connected is connected to a support structure; a first-rod elastic body that is an elastic body constituting the first rod; a second rod in which one end is connected to arm at a position closer to a side of second pad with respect to first pad while the other end stretched and inclined onto the side of second pad from the position connected is connected to the support structure; and a second-rod elastic body that is an elastic body constituting the second rod.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: August 10, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomoya Hattori, Koji Hirose, Teppei Ikezaki
  • Publication number: 20210162602
    Abstract: A rotation connecting mechanism includes: a joint that connects a second member rotatably to a first member with three rotational degrees of freedom; a first link and a third link in each of which one end is attached rotatably to second member with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, each of first link and third link having a variable length and five rotational degrees of freedom; a second link in which one end is attached rotatably to first link with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, second link having a variable length and five rotational degrees of freedom; and motors that generate force changing lengths of the three links.
    Type: Application
    Filed: April 24, 2019
    Publication date: June 3, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Noboru KAWAGUCHI, Tomoya HATTORI, Masaki HARUNA, Koji HIROSE, Ken UEDA, Shingo KIMURA
  • Publication number: 20200257076
    Abstract: A mirror support includes a first rod in which one end is connected to an arm at a position closer to a side of a first pad fixed to the mirror with respect to a second pad fixed to the mirror while the other end stretched and inclined onto the side of first pad from the position connected is connected to a support structure; a first-rod elastic body that is an elastic body constituting the first rod; a second rod in which one end is connected to arm at a position closer to a side of second pad with respect to first pad while the other end stretched and inclined onto the side of second pad from the position connected is connected to the support structure; and a second-rod elastic body that is an elastic body constituting the second rod.
    Type: Application
    Filed: November 9, 2018
    Publication date: August 13, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tomoya HATTORI, Koji HIROSE, Teppei IKEZAKI
  • Patent number: D882656
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 28, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Noboru Kawaguchi, Tomoya Hattori, Masaki Haruna, Koji Hirose, Ken Ueda, Shingo Kimura
  • Patent number: D882657
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 28, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Noboru Kawaguchi, Tomoya Hattori, Masaki Haruna, Koji Hirose, Ken Ueda, Shingo Kimura
  • Patent number: D882659
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 28, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Noboru Kawaguchi, Tomoya Hattori, Masaki Haruna, Koji Hirose, Ken Ueda, Shingo Kimura
  • Patent number: D1034736
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: July 9, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomoya Hattori, Noboru Kawaguchi, Atsumu Oikawa, Koichi Takeda