Patents by Inventor Tetsuya Matsushita

Tetsuya Matsushita 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: 12129253
    Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 29, 2024
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Toshihiro Okamoto
  • Patent number: 12109924
    Abstract: An occupant restraining device that uses a side airbag to promote occupant restraint. An occupant restraining device for restraining an occupant seated in a vehicle seat having a seatback and seat cushion, including: a side airbag arranged on at least one of the right side or the left side of the seat back, a tension member arranged over the side portion of the seat back and the seat cushion and a portion thereof provided on the outer surface of the side airbag, and a traction portion on which another portion of the tension member is provided, that is stowed on the inside of or below the seat cushion, and that can pull the tension member, wherein the tension member arranged on the side of the seatback is pulled toward the center of the vehicle seat by the traction portion.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 8, 2024
    Assignee: AUTOLIV DEVELOPMENT AB
    Inventors: Tetsuya Matsushita, Abhiroop Vishwanatha
  • Publication number: 20240295812
    Abstract: A resin component (A1) and a compound (B0) represented by General Formula (b0) in which X0 represents a bromine atom or an iodine atom, Rm represents a hydroxy group, nb1 represents an integer of 1 to 5, and nb2 represents an integer of 0 to 4, 1?nb1+nb2?5 is satisfied, Yb0 represents a divalent linking group or a single bond, Vb0 represents a single bond, an alkylene group, or a fluorinated alkylene group, R0 represents a hydrogen atom, a fluorinated alkyl group having 1 to 5 carbon atoms, or a fluorine atom, and Rb1 to Rb15 each independently represents a hydrogen atom or a substituent, and at least two of Rb1 to Rb5 represent a fluorine atom or at least one of Rb1 to Rb5 represents a perfluoroalkyl group
    Type: Application
    Filed: June 15, 2022
    Publication date: September 5, 2024
    Inventors: Junichi Miyakawa, Hiroki Kato, KhanhTin Nguyen, Takuya Ikeda, Seiji Todoroki, Tetsuya Matsushita
  • Publication number: 20240264527
    Abstract: A resist composition including a resin component which has a constitutional unit (a01a) containing a polycyclic lactone-containing cyclic group and a constitutional unit (a02) represented by General Formula (a0-2), and a compound (B0) represented by General Formula (b0), Ra05 to Ra08 each independently represents a hydrogen atom, X0 represents a bromine atom or an iodine atom, Rm represents a hydroxy group, 1?nb1+nb2?5 is satisfied, Yb0 represents a divalent linking group or a single bond, Vb0 represents a single bond, R0 represents a hydrogen atom, Mm+ represents an m-valent organic cation, m represents an integer of 1 or greater
    Type: Application
    Filed: June 14, 2022
    Publication date: August 8, 2024
    Inventors: Takuya Uehara, Tetsuya Matsushita, Junichi Miyakawa, KhanhTin Nguyen, Hiroki Kato, Yuuki Fujimoto
  • Patent number: 12049184
    Abstract: An occupant restraining device capable of accurately adjusting the position of an airbag that expands and deploys. An occupant restraining device comprising an airbag installed in a seatback frame, provided with bands that pulls said airbag, which expands and deploys, to the center of said frame; said bands being in a position where the first portion, a twisting portion, is attached to the upper part of said frame and is twisted in a width direction relative to the second portion.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: July 30, 2024
    Assignee: AUTOLIV DEVELOPMENT AB
    Inventor: Tetsuya Matsushita
  • Publication number: 20240248403
    Abstract: A resist composition including a resin component (A1) which has a constitutional unit (a0) containing a photodegradable base that is decomposed upon light exposure and loses acid diffusion controllability, and an acid generator component (B) which contains a compound (BO) represented by General Formula (b0) in which X0 represents a bromine atom or an iodine atom, Rm represents a hydroxy group, an alkyl group, a fluorine atom, or a chlorine atom, nb1 represents an integer of 1 to 5, and nb2 represents an integer of 0 to 4, where 1?nb1+nb2?5 is satisfied, Yb0 represents a divalent linking group or a single bond, Vb0 represents a single bond, an alkylene group, or a fluorinated alkylene group, R0 represents a hydrogen atom, a fluorinated alkyl group having 1 to 5 carbon atoms, or a fluorine atom, Mm+ represents an m-valent organic cation, and m represents an integer of 1 or greater
    Type: Application
    Filed: June 6, 2022
    Publication date: July 25, 2024
    Inventors: Tetsuya Matsushita, Koshi Onishi, Shuichi Ishii, Junichi Miyakawa
  • Patent number: 11988506
    Abstract: An error identification method includes: installing a calibrator including a sphere row A and a sphere row B in which a plurality of spheres are linearly aligned in a direction perpendicular to the sphere row A on a table such that the sphere row A and the sphere row B are approximately parallel to respective two of the translational axes and measuring positions of a plurality of spheres of the sphere row A and the sphere row B using a position measurement sensor tool; rotating the calibrator to a plurality of angles around a normal direction on the upper surface of the table to install on the table and measuring each position of the plurality of spheres of the sphere row A and the sphere row B; and identifying an error of the translational axis based on measured values in the installing and the rotating.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: May 21, 2024
    Assignee: Okuma Corporation
    Inventors: Tetsuya Matsushita, Takuya Kojima
  • Patent number: 11938887
    Abstract: Problem: To more effectively restrict movement of the airbag in an expanded and deployed state in the event of a vehicle collision, and improve the performance of restraining a passenger using an airbag. Resolution Means: A passenger restraining device of the present invention is provided with an airbag and tensile cloth. The tensile cloth is deployed to the outside of a seat by expansion and deployment of the airbag, and pulled from an upper surface of a seat back portion to a seat cushion portion.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 26, 2024
    Assignee: Autoliv Development AB
    Inventors: Hiroyuki Saito, Tetsuya Matsushita
  • Patent number: 11920967
    Abstract: A fluid detection sensor includes: an optical sensor including a light emitting element array and a light receiving element array which are arranged on a substrate along a longitudinal direction thereof; a flow path member which includes a tubular body which is transparent and is arranged along the longitudinal direction facing the optical sensor, an inside of the tubular body constituting a flow path through which a plurality of substantially immiscible fluids flow as a slug flow; and a reflecting member placed on a side opposite to the optical sensor with respect to the flow path. The fluid detection sensor detects changes in light which occur in accordance with a movement of the plurality of fluids by the light receiving element array receiving light which is emitted by the light emitting element array toward the slug flow in the flow path and is reflected by the reflecting member.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: March 5, 2024
    Assignee: KYOCERA Corporation
    Inventors: Katsumi Tsuchida, Hiroyuki Okushiba, Tetsuya Matsushita
  • Patent number: 11892820
    Abstract: An error compensation method includes outputting at least one of a plurality of calibration-master conditions including a type of a calibration master that includes targets, obtaining measurement values of positions of the targets by detecting the positions of the plurality of targets under the calibration-master condition using a sensor mounted to the main spindle, and calculating an error value using the measurement value and a calibration value of the position of the target. The error compensation method further includes approximating a relation between the measurement values and the error values by a curve and a straight line, calculating a compensation parameter of a positioning error of a translational axis based on an approximate curve in a partial range of a stroke of the translational axis, and calculating the compensation parameter of the positioning error based on an approximate straight line in another range of the stroke of the translational axis.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: February 6, 2024
    Assignee: Okuma Corporation
    Inventors: Takuya Kojima, Tetsuya Matsushita, Yasunori Kondo
  • Publication number: 20240025901
    Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 25, 2024
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Hiroki SUGIURA, Yukio TANI, Tetsuya MATSUSHITA, Tetsuya WATANABE, Toshihiro OKAMOTO
  • Publication number: 20230384076
    Abstract: A calibration master installing jig for installing a calibration master in a predetermined direction on a table when the calibration master installed in the predetermined direction on the table is measured using a sensor mounted to a spindle head in a machine tool. The machine tool includes two or more translational axes and the table provided with a plurality of slots or tap holes. The calibration master installing jig includes a plate and a plurality of rod materials. A plurality of holes are provided in the plate. The plurality of rod materials are insertable into the holes. By putting the plurality of rod materials individually inserted into any given plurality of the holes into any of the slots or the tap holes, any given side surface of the plate or a straight line connecting the plurality of rod materials becomes parallel to the predetermined direction on the table.
    Type: Application
    Filed: May 12, 2023
    Publication date: November 30, 2023
    Applicant: OKUMA CORPORATION
    Inventors: Takuya KOJIMA, Tetsuya MATSUSHITA, Yasunori KONDO
  • Patent number: 11794684
    Abstract: Pair of airbags, a left side tensile cloth and the right side tensile cloth stowed within the seat cushion of the seat, and a lower tensile cloth that connects both ends of the left side tensile cloth and the right side tensile cloth in the inner portion of the seat cushion, wherein the lower tensile cloth is disposed in the center in the left-right direction of the seat cushion and to the front side of center in the front-rear direction of the seat cushion, where the left side tensile cloth and the right side tensile cloth extend to the left and right rearwardly from both the left and right ends of the lower tensile cloth in the inner portion of the cushion, such that the left side tensile cloth and the right side tensile cloth are stretched between the seatback and the seat cushion when the airbag expands and deploys.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: October 24, 2023
    Inventors: Tetsuya Matsushita, Hiroyuki Saito
  • Patent number: 11785845
    Abstract: An object of the present invention is to provide a composition capable of manufacturing an organic thin film transistor having excellent carrier mobility even under low temperature conditions. The composition of the present invention contains a compound represented by Formula (1) and an alcohol represented by Formula (S1).
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: October 10, 2023
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Koki Nakamura, Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Junichi Takeya, Toshihiro Okamoto
  • Publication number: 20230069773
    Abstract: A method includes: installing a square calibration master on a table, and measuring each of measurement surfaces A, B, and C of the square calibration master by a position measurement sensor attached to a main spindle; calculating a first squareness between the measurement surfaces A and B; calculating a second squareness between the measurement surfaces A and C; calculating a difference between the first squareness and the second squareness; comparing the difference with a preliminarily set difference threshold value; calculating an average value of the first squareness and the second squareness when the difference is equal to or less than the difference threshold value, and calculating a corrected squareness based on an angular deviation and the first squareness or the second squareness when the difference exceeds the difference threshold value; and setting the compensation parameter based on the average value or the corrected squareness.
    Type: Application
    Filed: August 24, 2022
    Publication date: March 2, 2023
    Applicant: OKUMA CORPORATION
    Inventors: Yasunori KONDO, Tetsuya MATSUSHITA, Takuya KOJIMA
  • Publication number: 20230012314
    Abstract: An occupant restraining device that uses a side airbag to promote occupant restraint. An occupant restraining device for restraining an occupant seated in a vehicle seat having a seatback and seat cushion, including: a side airbag arranged on at least one of the right side or the left side of the seat back, a tension member arranged over the side portion of the seat back and the seat cushion and a portion thereof provided on the outer surface of the side airbag, and a traction portion on which another portion of the tension member is provided, that is stowed on the inside of or below the seat cushion, and that can pull the tension member, wherein the tension member arranged on the side of the seatback is pulled toward the center of the vehicle seat by the traction portion.
    Type: Application
    Filed: October 20, 2020
    Publication date: January 12, 2023
    Inventors: Tetsuya MATSUSHITA, Abhiroop VISHWANATHA
  • Publication number: 20230010236
    Abstract: An error identification method includes: installing a calibrator including a sphere row A and a sphere row B in which a plurality of spheres are linearly aligned in a direction perpendicular to the sphere row A on a table such that the sphere row A and the sphere row B are approximately parallel to respective two of the translational axes and measuring positions of a plurality of spheres of the sphere row A and the sphere row B using a position measurement sensor tool; rotating the calibrator to a plurality of angles around a normal direction on the upper surface of the table to install on the table and measuring each position of the plurality of spheres of the sphere row A and the sphere row B; and identifying an error of the translational axis based on measured values in the installing and the rotating.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 12, 2023
    Applicant: OKUMA CORPORATION
    Inventors: Tetsuya MATSUSHITA, Takuya KOJIMA
  • Publication number: 20230010557
    Abstract: An error identification method for identifying an error includes: securing a calibrator having three or more spheres on the table; measuring an initial position of the calibrator with a position measurement sensor tool; calculating a reference angle of each of the rotation axes for positioning the calibrator to a predetermined reference position using a measured value in the measuring; indexing each of the rotation axes individually to a plurality of indexed angles with respect to the reference angle and measuring a center position of a sphere of the calibrator secured on the table at each of the indexed angles with the position measurement sensor tool; and identifying a positioning error and a straightness error of the linear axis, a squareness error between the respective linear axes, and a position error and an inclination error of each of the rotation axes based on a measured value in the indexing.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 12, 2023
    Applicant: OKUMA CORPORATION
    Inventors: Tetsuya MATSUSHITA, Takuya KOJIMA
  • Patent number: 11447086
    Abstract: A vehicle occupant re-straining device, comprising an air bag inflated and deployed on both sides of a vehicle occupant; tension cloth housed so as to extend from the inside of the seat back of a seat into a seat cushion; an angle detection means for detecting the reclining angle of the seat back; and an inner pressure control means for controlling, depending on the reclining angle, pressure in the air bag at the time of inflation and deployment thereof, wherein the tension cloth is deployed on the sides of the seat when the surface material of the seat is broken open by the inflation and deployment of the air bag, thereby holding the surfaces of the air bag, which are located on the opposite sides of the vehicle occupant, and wherein the inner pressure control means reduces pressure in the air bag.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: September 20, 2022
    Assignee: Autoliv Development AB
    Inventors: Tetsuya Matsushita, Hiroyuki Saito
  • Patent number: 11433843
    Abstract: A vehicle occupant restraining device, comprising: a pair of air bags; an inner bag housed in at least one of the pair of air bags, is in communication with the at least one of the air bags, and is inflated and deployed inside the at least one of the air bags, on the sides of the body of a vehicle occu-pant; and a pair of pieces of tension cloth housed so as to extend along the respective sides of a housed pair of air bags, which are located on the opposite sides of the vehicle occupant, and then through the inside of the seat back of a seat into a seat cushion, wherein the inner bag completes inflation and deployment before the at least one of the air bags does, and the pair of pieces of tension cloth is deployed on the sides of the seat.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: September 6, 2022
    Assignee: Autoliv Development AB
    Inventors: Tetsuya Matsushita, Hiroyuki Saito