Patents by Inventor Shuji Takahashi

Shuji Takahashi 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: 11383208
    Abstract: Provided is a gas separation membrane that can be used continuously. The gas separation membrane comprises: a porous support membrane that contains an aromatic polyamide in which an aromatic ring has been replaced with a chloro group; and a separation functional layer that is disposed on the surface of the porous support membrane and contains a cross-linked polyamide obtained by polycondensation of a polyfunctional amine and a polyfunctional acid halide.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: July 12, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Rina Takahashi, Kazuki Sato, Masakazu Koiwa, Shuji Furuno, Takao Sasaki
  • Publication number: 20220196704
    Abstract: A measurement unit includes: a ground portion forming a part of a line configured to provide continuity for grounding electric potential, the ground portion including a surface forming a plane at one end of the ground portion; a signal portion forming a part of a line configured to provide continuity for a signal for measurement, the signal portion including an end portion configured to come out in a plane that is same as the plane of the ground portion; an insulative dielectric portion provided between the ground portion and the signal portion; an electrically conductive first contact probe configured to expand and contract along a longitudinal axis, the first contact probe coming into contact with the signal portion; and an electrically conductive second contact probe configured to expand and contract along a longitudinal axis, the second contact probe coming into contact with the ground portion.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 23, 2022
    Applicant: NHK Spring Co., Ltd.
    Inventors: Tsuyoshi Inuma, Hiroshi Nakayama, Shuji Takahashi
  • Patent number: 11339844
    Abstract: A seat member has a seat portion, a receiving surface of which comes into contact with a bearing surface of an end turn portion, a mounting shaft portion protruded from the receiving surface of the seat portion, and an enlarged diameter portion formed at the front end of the mounting shaft portion for guiding press-fitting, in a cross section along an axial direction of a coil spring, an outer diameter of the enlarged diameter portion is set larger than an inner diameter of the end turn portion and an axial length of the enlarged diameter portion is set so that at least a maximum diagonal length of the seat member is larger than an inter-element wire distance.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: May 24, 2022
    Assignee: NHK Spring Co., Ltd.
    Inventors: Mitsuteru Mimura, Norihiro Tajima, Yosuke Kawai, Shuji Takahashi
  • Publication number: 20220146552
    Abstract: A contact probe includes a first plunger, a second plunger, a coil spring, and a pipe; the first plunger includes a first slide portion that slides along the inner periphery of the pipe; the second plunger includes a second slide portion that slides along the inner periphery of the pipe; and the coil spring includes: a first attachment portion that is attached to the first plunger and tightly wound; a second attachment portion that is attached to the second plunger and tightly wound; a coarsely wound portion; a first contact portion including one end connected to the first attachment portion and another end connected to the coarsely wound portion and contacting the pipe; and a second contact portion including one end connected to the coarsely wound portion and another end connected to the second attachment portion and contacting to the pipe.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 12, 2022
    Applicant: NHK Spring Co., Ltd.
    Inventors: Kazuya Soma, Masahiro Takahashi, Shuji Takahashi
  • Patent number: 11320461
    Abstract: A probe unit includes: a plurality of contact probes each of which has one end that is brought into contact with a contacting electrode, the one end being an end in a longitudinal direction; a first ground member connected to an external ground; a second ground member provided around each of the contact probes; a connecting member electrically connected to the first ground member, and electrically connected to one end of the second ground member; and a probe holder configured to hold the contact probes, the first ground member, the second ground member and the connecting member.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: May 3, 2022
    Assignee: NHK Spring Co., Ltd.
    Inventors: Kohei Hironaka, Tsuyoshi Inuma, Shuji Takahashi
  • Publication number: 20220018877
    Abstract: A probe unit includes: a first contact probe configured to come in contact with a signal electrode; a second contact probe configured to come in contact with a ground electrode; a probe holder including a first holder hole through which the first contact probe passes, and a second holder hole through which the second contact probe passes; and a conductive floating member including a first through hole to which the first contact probe is inserted and the signal electrode is inserted, and a second through hole to which the second contact probe is inserted and the ground electrode is inserted. The probe holder is configured such that at least an inner circumferential surface of the first holder hole has an insulating property, and the probe unit has a coaxial structure in which central axes of the first contact probe and the first through hole are aligned with each other.
    Type: Application
    Filed: November 26, 2019
    Publication date: January 20, 2022
    Applicant: NHK Spring Co., Ltd.
    Inventors: Tsuyoshi Inuma, Shuji Takahashi
  • Publication number: 20210304236
    Abstract: In accordance with an embodiment, an information processing apparatus acquires a rank of a visiting user and an amount according to the ranking. The information processing apparatus acquires a price at an own store of a commodity that the user has selected for purchase. The information processing apparatus acquires a price at another store of the commodity that the user has selected for purchase. In a case in which the price at the own store is higher than the price at the other store, the information processing apparatus adds an amount based on a difference in price therebetween to the amount according to the ranking, which is acquired by a first acquisition means.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 30, 2021
    Inventor: Shuji TAKAHASHI
  • Publication number: 20210003184
    Abstract: A seat member has a seat portion, a receiving surface of which comes into contact with a bearing surface of an end turn portion, a mounting shaft portion protruded from the receiving surface of the seat portion, and an enlarged diameter portion formed at the front end of the mounting shaft portion for guiding press-fitting, in a cross section along an axial direction of a coil spring, an outer diameter of the enlarged diameter portion is set larger than an inner diameter of the end turn portion and an axial length of the enlarged diameter portion is set so that at least a maximum diagonal length of the seat member is larger than an inter-element wire distance.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 7, 2021
    Inventors: Mitsuteru MIMURA, Norihiro TAJIMA, Yosuke KAWAI, Shuji TAKAHASHI
  • Patent number: 10794455
    Abstract: A tensioner includes a power spring, and a backup member being in contact with the power spring and supporting the power spring by acting an urging force in a direction opposite to a radial shift of the power spring in a direction in which the power spring is wound. The power spring is unwound in a condition in which an inter-plate frictional force of the power spring is small in a case where an urging force acting from a power spring to a tension member is greater than a load acting from the tensioner arm to the power spring and the power spring is wound in a condition in which the inter-plate frictional force of the power spring is large in a case where the urging force acting from the power spring to the tension member is smaller than the load acting from the tension member to the power spring.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 6, 2020
    Assignees: DAIDO KOGYO CO., LTD., NHK SPRING CO., LTD.
    Inventors: Hideaki Seki, Yoshio Yamada, Takao Kobayashi, Kazuhito Hiraoka, Shuji Takahashi
  • Publication number: 20200225265
    Abstract: A probe unit includes: a plurality of contact probes each of which has one end that is brought into contact with a contacting electrode, the one end being an end in a longitudinal direction; a first ground member connected to an external ground; a second ground member provided around each of the contact probes; a connecting member electrically connected to the first ground member, and electrically connected to one end of the second ground member; and a probe holder configured to hold the contact probes, the first ground member, the second ground member and the connecting member.
    Type: Application
    Filed: July 12, 2018
    Publication date: July 16, 2020
    Inventors: Kohei Hironaka, Tsuyoshi Inuma, Shuji Takahashi
  • Publication number: 20200088257
    Abstract: A pressing structure is arranged between a first pressed body and a second pressed body opposite to the first pressed body and presses the first pressed body and second pressed body. The pressing structure includes a spring member including: a base portion formed of a single strip-like member and having a curved principal surface; two extended portions extending respectively from end portions of the base portion and curved in a form inverse of a curving form of the base portion; and two bent portions extending respectively from end portions of the two extended portions, the end portions being at sides opposite to sides connected to the base portion, the two bent portions being curved in a form inverse of the curving form of the extended portions; and the maximum thickness of the extended portions and bent portions is smaller than the maximum thickness of the base portion.
    Type: Application
    Filed: December 6, 2017
    Publication date: March 19, 2020
    Inventors: Hironobu Imaizumi, Norihiro Tajima, Yoshio Yamada, Shuji Takahashi, Atsushi Yoneoka
  • Publication number: 20200066494
    Abstract: A film forming device includes an adhesion preventing mechanism in a film formation chamber, in which the adhesion preventing mechanism is configured with a plurality of adhesion preventing plates including at least a substrate edge adhesion preventing plate that is provided on an edge of a region on the substrate holding portion where the substrate is provided and a substrate outer peripheral region adhesion preventing plate that is disposed on an outer periphery of the substrate edge adhesion preventing plate to be spaced from the substrate edge adhesion preventing plate, a potential adjusting mechanism that is electrically connected to any one of the substrate edge adhesion preventing plate or the substrate outer peripheral region adhesion preventing plate is provided, and the adhesion preventing plate connected to the potential adjusting mechanism and an adhesion preventing plate disposed adjacent thereto are disposed at an interval of 0.5 mm to 3.0 mm.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 27, 2020
    Inventors: Naoki MURAKAMI, Shuji TAKAHASHI
  • Publication number: 20190353227
    Abstract: A tensioner includes a power spring, and a backup member being in contact with the power spring and supporting the power spring by acting an urging force in a direction opposite to a radial shift of the power spring in a direction in which the power spring is wound. The power spring is unwound in a condition in which an inter-plate frictional force of the power spring is small in a case where an urging force acting from a power spring to a tension member is greater than a load acting from the tensioner arm to the power spring and the power spring is wound in a condition in which the inter-plate frictional force of the power spring is large in a case where the urging force acting from the power spring to the tension member is smaller than the load acting from the tension member to the power spring.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Inventors: Hideaki SEKI, Yoshio YAMADA, Takao KOBAYASHI, Kazuhito HIRAOKA, Shuji TAKAHASHI
  • Patent number: 10464327
    Abstract: There are provided an inkjet recording device that can stably secure liquid-repellent performance on a surface of a liquid-repellent film formed on a nozzle surface for a long term, and a maintenance method thereof. The inkjet recording device includes: an inkjet head that has a nozzle surface in which a nozzle opening of a nozzle to eject a liquid is formed and on which a liquid-repellent film is formed with an amorphous fluorine resin material; a cleaning portion that wipes off and cleans a surface of the liquid-repellent film by a wiping member; and a liquid-repellent performance recovery processing portion that performs liquid-repellent performance recovery processing to recover liquid-repellent performance on the surface of the liquid-repellent film by heating the liquid-repellent film.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: November 5, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Shuji Takahashi
  • Patent number: 9933008
    Abstract: A rack-and-pinion type steering device includes a ball joint for connecting a rack shaft and a tie rod. The ball joint includes a socket and a ball. The socket is provided with a regulated surface allowed to contact a regulating surface of a rack housing, and a screw projecting from the regulated surface to be connected to the rack shaft. The regulated surface includes an intermediate portion having a curved surface shape that recedes from a regulating surface in a longitudinal direction of the rack shaft toward the outer circumference, and the regulated surface has such a shape that a pointed portion toward the regulating surface is less likely to be formed on the regulated surface even if a processing error occurs in the processing for forming the regulated surface of the socket.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: April 3, 2018
    Assignee: JTEKT CORPORATION
    Inventors: Shuji Takahashi, Akihiro Toshima
  • Publication number: 20170300908
    Abstract: A commodity sales data processing apparatus comprises a commodity sales module configured to execute a commodity sales processing relating to payment of a validation commodity of which a PIN (Personal Identification Number) code is validated at the time the payment is confirmed; a sending module configured to send identification information capable of identifying the validation commodity after the payment is confirmed in the commodity sales module; a receiving module configured to receive validation commodity information read by an information processing apparatus that sends the PIN code to a server of a company that provides a sales item in order to receive the sales item indicated by the validation commodity identified by the identification information sent from the sending module; and a writing module configured to write the validation commodity information received by the receiving module in an IC (Integrated Circuit) tag on the validation commodity.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 19, 2017
    Inventors: Seiji Ishikawa, Shinya Namura, Masato Oishi, Shuji Takahashi
  • Publication number: 20170253995
    Abstract: A method for heat-treating a silicon single crystal wafer by an RTA treatment, including: putting a silicon single crystal wafer having an Nv region for the entire plane of the silicon single crystal wafer or an Nv region containing an OSF region for the silicon single crystal wafer entire plane into an RTA furnace, performing pre-heating at temperature lower than temperature at which silicon reacts with NH3 while supplying gas that contains NH3 into the RTA furnace, subsequently stopping the supply of the gas containing NH3 and starting supply of Ar gas to start an RTA treatment under Ar gas atmosphere in which the NH3 gas remains. This provide a method for heat-treating a silicon single crystal wafer that give gettering capability without degrading TDDB properties even to a silicon single crystal wafer in which the entire plane is an Nv region or an Nv region containing an OSF region.
    Type: Application
    Filed: September 17, 2015
    Publication date: September 7, 2017
    Applicant: SHIN-ETSU HANDOTAI CO., LTD.
    Inventors: Wei Feng QU, Fumio TAHARA, Masahiro SAKURADA, Shuji TAKAHASHI
  • Patent number: 9600224
    Abstract: According to one embodiment, a commodity information browsing system includes a shelf label apparatus including a first storing section and a first transmitting section, a portable terminal including a first receiving section, a notifying section, a second receiving section, and a display section, and a server apparatus including a second storing section and a second transmitting section. The first transmitting section transmits, by radio, one shelf label code among a plurality of shelf label codes. The notifying section notifies the server apparatus of the shelf label code. The second storing section stores association information representing a relation between the shelf label codes and commodity information. The second transmitting section determines, on the basis of the association information, the commodity information associated with the notified shelf label code and transmits the relevant commodity information to the portable terminal.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: March 21, 2017
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Seiji Ishikawa, Shuji Takahashi, Kenya Suzuki, Ryu Morita, Hiroki Mochizuki, Yoshihiko Ikeda, Kazuya Nambu, Kazunari Kogure
  • Patent number: 9390905
    Abstract: A method for manufacturing a silicon substrate, including: performing a rapid heat treatment to a silicon substrate with a rapid-heating and rapid-cooling apparatus by maintaining the silicon substrate at a temperature that is higher than 1300° C. and not greater than a silicon melting point for 1 to 60 seconds, the silicon substrate being sliced from a silicon single crystal ingot grown by the Czochralski method; performing a first temperature decrease process down to a temperature in the range of 600 to 800° C. at a temperature decrease rate of 5 to 150° C./sec; and performing a second temperature decrease process in such a manner that a cooling time of X seconds and a temperature decrease rate of Y° C./sec meet Y?0.15X-4.5 when X<100 and meet Y?10 when X?100.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: July 12, 2016
    Assignee: SHIN-ETSU HANDOTAI CO., LTD.
    Inventors: Tetsuya Oka, Koji Ebara, Shuji Takahashi
  • Publication number: 20150330440
    Abstract: A rack-and-pinion type steering device includes a ball joint for connecting a rack shaft and a tie rod. The ball joint includes a socket and a ball. The socket is provided with a regulated surface allowed to contact a regulating surface of a rack housing, and a screw projecting from the regulated surface to be connected to the rack shaft. The regulated surface includes an intermediate portion having a curved surface shape that recedes from a regulating surface in a longitudinal direction of the rack shaft toward the outer circumference, and the regulated surface has such a shape that a pointed portion toward the regulating surface is less likely to be formed on the regulated surface even if a processing error occurs in the processing for forming the regulated surface of the socket.
    Type: Application
    Filed: April 22, 2015
    Publication date: November 19, 2015
    Inventors: Shuji TAKAHASHI, Akihiro TOSHIMA