Patents by Inventor Tetsuhei Kobayashi

Tetsuhei Kobayashi 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: 20230294967
    Abstract: A forklift includes a vehicle including a pair of straddle legs extending forward from a lower part of a vehicle body and provided at an interval in a vehicle width direction, a cargo handling device including a mast provided between the pair of straddle legs and extending in an up-down direction, a lift bracket provided at the mast such that the lift bracket is capable of being raised and lowered, and a pair of forks extending forward from the lift bracket, a reach mechanism including an advance/retract drive unit capable of performing advance/retract drive in a front-back direction on each of the pair of straddle legs, and a coupling portion coupling the mast and the advance/retract drive unit, in which the coupling portion includes a protrusion provided at one of the advance/retract drive unit and the mast and extending in the up-down direction toward the other of the advance/retract drive unit and the mast, and an accommodating portion provided at the other of the advance/retract drive unit and the mast a
    Type: Application
    Filed: February 24, 2023
    Publication date: September 21, 2023
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naoto Kawauchi, Tatsuya Sato, Tetsuhei Kobayashi, Megumu Tsuruta, Kensuke Futahashi
  • Publication number: 20220281727
    Abstract: A movable body is a tricyclic movable body automatically moving and includes: a first steering wheel which is steerable but not drivable; a second steering wheel which is steerable but not drivable and provided on a side in a first direction with respect to the first steering wheel; and a drive wheel which is steerable and drivable and provided on a side in a second direction orthogonal to the first direction with respect to the first steering wheel and the second steering wheel.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Inventors: Yuji YOSHIDA, Tetsuhei KOBAYASHI, Kazuma OTAKA, Hiroyasu ARUGA, Hiroto AKITAYA
  • Publication number: 20220281729
    Abstract: A coupling portion that is coupled to a mast that supports a fork and has a mechanism that moves the fork in a vertical direction, the coupling portion disposed on each of both ends in a width direction of the mast, a rail that is disposed on a straddle leg disposed on an outside in the width direction of the mast and extending in a direction where the fork extends, the rail moving the coupling portion in the direction where the fork extends, and a drive unit that is disposed on the straddle leg and moves the mast along the straddle leg are included.
    Type: Application
    Filed: January 27, 2022
    Publication date: September 8, 2022
    Inventors: Megumu TSURUTA, Keitaro KAMATA, Tetsuhei KOBAYASHI, Kensuke FUTAHASHI, Tatsuya SATO, Naoto KAWAUCHI
  • Patent number: 11135667
    Abstract: A machining position correcting device is configured to be applied to an electrochemical machining device configured to make an electrolyte flow out of a distal end part of an electrode bar extending along an axis while rotating the electrode bar about the axis to electrochemically machine a material to be machined in a range from the distal end part of the electrode bar. The machining position correcting device includes a position detector configured to detect a rotational position of a feature point of the electrode bar.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 5, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Sho Onodera, Tetsuhei Kobayashi, Shin Asano
  • Publication number: 20210231530
    Abstract: This inspection tube drive control device is provided with: an inverse analysis unit (83) which performs an analysis to move a flexible tube along a predetermined route within an object being inspected, from a start point to a target point of the route; and a forward analysis unit (84) which, on the basis of analysis results from the inverse analysis unit (83), acquires, as analysis operation amounts, operation amounts for an attitude actuator capable of adjusting the attitude of the tube when the tube is positioned at each position on the route, and an advancing and retreating actuator which causes the tube to advance and retreat.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 29, 2021
    Inventors: Yasutaka FUKE, Naotaka KOMATSU, Shin ASANO, Sho ONODERA, Tetsuhei KOBAYASHI
  • Patent number: 10775164
    Abstract: A measurement system is for measuring positions of a plurality of subjects by using an ultrasonic testing sensor. The measurement system includes an ideal arcuate waveform creation unit configured to create, for each of the subjects, an ideal arcuate waveform of a measurement result of the ultrasonic testing sensor based on machining position information on the subject; a measurement arcuate waveform creation unit configured to create a measurement arcuate waveform based on the measurement result; a position estimation unit configured to collate the ideal arcuate waveform and the measurement arcuate waveform with each other to estimate a position of the subject from the measurement arcuate waveform determined to correspond to any ideal arcuate waveform; and an antiphase waveform addition unit configured to add, to the measurement arcuate waveform, a waveform in antiphase to the measurement arcuate waveform with which the position of the subject has been estimated.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: September 15, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tetsuhei Kobayashi, Sho Onodera
  • Patent number: 10584675
    Abstract: Provided is an underwater floating-type ocean current power generation device whereby cyclical directional vibration of a floating body of the ocean current power generation device, caused by shadow moment, can be suppressed. An underwater floating type ocean current power generation device includes ocean current power generation device main bodies, each including a rotor of a power generator housed in a nacelle, and a structure. The rotor is configured to be driven by a rotary blade protruding outward from the nacelle. A twin drum floating body capable of floating underwater is constituted by the structure and the ocean current power generation device main bodies joined to the left and right of the structure. The underwater floating type ocean current power generation device is moored to an ocean floor by a mooring rope.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: March 10, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kensuke Futahashi, Sho Onodera, Shin Asano, Tetsuhei Kobayashi
  • Patent number: 10465648
    Abstract: An ocean current electric power generator includes a mechanical brake that restricts a rotation of a rotor shaft of a rotatable wing, and a power transmission mechanism that is disposed between the rotor shaft and an electric power generator. The power transmission mechanism includes a switching section that switches between a power transmission state and a power disconnection state, a load application section that applies a rotation load on the rotor shaft during the power disconnection state, and a speed varying section that varies a revolution speed of the rotor shaft, and transmits the revolution to the electric power generator during the power transmission state.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: November 5, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kensuke Futahashi, Tetsuhei Kobayashi, Shin Asano, Sho Onodera
  • Publication number: 20190275599
    Abstract: A machining position correcting device is applied to an electrochemical machining device that makes an electrolyte flow out of a distal end part of an electrode bar extending along an axis while rotating the electrode bar about the axis to electrochemically machine a material to be machined in a region from the distal end part of the electrode bar. The machining position correcting device includes a position detector configured to detect a rotational position of a feature point provided to the electrode bar.
    Type: Application
    Filed: December 27, 2018
    Publication date: September 12, 2019
    Inventors: Sho ONODERA, Tetsuhei KOBAYASHI, Shin ASANO
  • Publication number: 20190162531
    Abstract: A measurement system is for measuring positions of a plurality of subjects by using an ultrasonic testing sensor. The measurement system includes an ideal arcuate waveform creation unit configured to create, for each of the subjects, an ideal arcuate waveform of a measurement result of the ultrasonic testing sensor based on machining position information on the subject; a measurement arcuate waveform creation unit configured to create a measurement arcuate waveform based on the measurement result; a position estimation unit configured to collate the ideal arcuate waveform and the measurement arcuate waveform with each other to estimate a position of the subject from the measurement arcuate waveform determined to correspond to any ideal arcuate waveform; and an antiphase waveform addition unit configured to add, to the measurement arcuate waveform, a waveform in antiphase to the measurement arcuate waveform with which the position of the subject has been estimated.
    Type: Application
    Filed: November 28, 2018
    Publication date: May 30, 2019
    Inventors: Tetsuhei KOBAYASHI, Sho ONODERA
  • Patent number: 9981331
    Abstract: In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: May 29, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuhisa Tamura, Yosuke Mukai, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
  • Patent number: 9943919
    Abstract: Provided is an electrochemical machining apparatus, which includes an electrode (3) that form of a shape which a tube shape is extended, including a flexible conductive material, and is which an electrolyte (W) circulates from a base end side (3b) thereof toward a distal end side (3a) thereof, a current supply unit (6) that causes electric current to flow with respect to the electrode (3) in an extending direction (direction running the Y direction) in which the electrode (3) extends, and a magnetic field generation unit (7) that includes at least one pair of magnets (9) which are disposed to face the electrodes (3) a direction and apply a magnetic field in a direction (X direction) intersecting the extending direction with respect to the electrodes (3).
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: April 17, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tetsuhei Kobayashi, Shin Asano, Kazuhisa Tamura, Yosuke Mukai, Tomofumi Shintani
  • Patent number: 9889515
    Abstract: An electrochemical machining tool (3) includes a tool body (10) which has an electrode (11) which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end (10a) side, and an insulating layer (12) coated on an outer circumferential surface of the electrode (11) to expose a leading end surface of the electrode (11), wherein a non-insulation section (15) which exposes the outer circumferential surface of the electrode (11) is formed on the tool body (11), and the non-insulation section (15) is surrounded by the insulating layer (12) from an axial (O) direction.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: February 13, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
  • Patent number: 9878388
    Abstract: The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: January 30, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
  • Publication number: 20170314525
    Abstract: Provided is an underwater floating-type ocean current power generation device whereby cyclical directional vibration of a floating body of the ocean current power generation device, caused by shadow moment, can be suppressed. An underwater floating type ocean current power generation device includes ocean current power generation device main bodies, each including a rotor of a power generator housed in a nacelle, and a structure. The rotor is configured to be driven by a rotary blade protruding outward from the nacelle. A twin drum floating body capable of floating underwater is constituted by the structure and the ocean current power generation device main bodies joined to the left and right of the structure. The underwater floating type ocean current power generation device is moored to an ocean floor by a mooring rope.
    Type: Application
    Filed: October 20, 2015
    Publication date: November 2, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kensuke Futahashi, Sho Onodera, Shin Asano, Tetsuhei Kobayashi
  • Publication number: 20170260962
    Abstract: An ocean current electric power generator includes a mechanical brake that restricts a rotation of a rotor shaft of a rotatable wing, and a power transmission mechanism that is disposed between the rotor shaft and an electric power generator. The power transmission mechanism includes a switching section that switches between a power transmission state and a power disconnection state, a load application section that applies a rotation load on the rotor shaft during the power disconnection state, and a speed varying section that varies a revolution speed of the rotor shaft, and transmits the revolution to the electric power generator during the power transmission state.
    Type: Application
    Filed: September 7, 2015
    Publication date: September 14, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kensuke Futahashi, Tetsuhei Kobayashi, Shin Asano, Sho Onodera
  • Publication number: 20160303673
    Abstract: In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.
    Type: Application
    Filed: February 14, 2014
    Publication date: October 20, 2016
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuhisa TAMURA, Yosuke MUKAI, Shin ASANO, Tetsuhei KOBAYASHI, Tomofumi SHINTANI
  • Patent number: 9403227
    Abstract: An electrochemical machining tool includes a tool main body which includes an electrode having a tubular shape extending along an axis and formed of a conductive material having flexibility, the electrode through which an electrolyte flows toward a distal end side, and an insulating layer coated on an outer circumferential surface of the electrode so as to expose a distal end surface of the electrode. In the electrochemical machining tool, a hole part serving as a fluid discharge part configured to discharge the electrolyte flowing through inside of the electrode toward the outside in the radial direction of the tool main body is formed at a portion of a position in the circumferential direction of the tool main body.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: August 2, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuhisa Tamura, Yosuke Mukai, Shin Asano, Tetsuhei Kobayashi
  • Publication number: 20160074951
    Abstract: An electrochemical machining tool (3) includes a tool body (10) which has an electrode (11) which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end (10a) side, and an insulating layer (12) coated on an outer circumferential surface of the electrode (11) to expose a leading end surface of the electrode (11), wherein a non-insulation section (15) which exposes the outer circumferential surface of the electrode (11) is formed on the tool body (11), and the non-insulation section (15) is surrounded by the insulating layer (12) from an axial (O) direction.
    Type: Application
    Filed: February 14, 2014
    Publication date: March 17, 2016
    Inventors: Yosuke MUKAI, Kazuhisa TAMURA, Shin ASANO, Tetsuhei KOBAYASHI, Tomofumi SHINTANI
  • Publication number: 20150273602
    Abstract: The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.
    Type: Application
    Filed: December 4, 2013
    Publication date: October 1, 2015
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani