Patents by Inventor Keisuke Nakao

Keisuke Nakao 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: 20240092061
    Abstract: A joined article including: a resin (1) having a linear expansion coefficient at 30° C. to 200° C. of 17 ppm/° C. or higher and a thickness of 5 to 100 ?m; and a metal joined to a surface of the resin (1) and having a thickness of 5 to 50 ?m. The resin (1) includes a heat-affected layer that is close to the metal and that occupies 80% or less of the thickness of the resin (1), and the joined article is a dielectric material for a substrate. Also disclosed is a substrate including the joined article and a resin (2) stacked on the joined article.
    Type: Application
    Filed: October 27, 2023
    Publication date: March 21, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAIKIN INDUSTRIES, LTD.
    Inventors: Keisuke NAGATO, Kota AONO, Yusuke EBIHARA, Masayuki NAKAO, Yuki UEDA, Shingo OKUNO, Hirokazu KOMORI, Akiyoshi YAMAUCHI, Yosuke KISHIKAWA
  • Patent number: 11693130
    Abstract: A radiation detection device includes a circuit board, a light receiving sensor having a light receiving region and a plurality of circuit regions, an FOP, a scintillator layer, and a plurality of wires. The FOP includes a first portion facing the light receiving region and fixed to the light receiving sensor, a second portion facing the circuit region while separated from the light receiving sensor, and a second portion facing the circuit region while separated from the light receiving sensor. The second portions are integrally formed with the first portion. One end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion, and one end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: July 4, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Keisuke Nakao, Kazuhisa Miyaguchi
  • Publication number: 20220363304
    Abstract: Provided is an outer tube including a solid-shaped male-shaft portion and a bottomed cylindrical female-tube portion integrally formed with the male shaft portion. A hole cover is externally fitted to the female-tube portion and closes a gap between a dash panel separating the vehicle cabin interior and the vehicle cabin exterior of a vehicle body and the outer tube. In an assembled state in the vehicle body, the solid male-shaft portion is arranged in the vehicle cabin exterior, and an opening portion of a slide hole provided in the female-tube portion is arranged in the vehicle cabin interior.
    Type: Application
    Filed: November 5, 2020
    Publication date: November 17, 2022
    Applicant: NSK LTD.
    Inventors: Seiichi MORIYAMA, Keisuke NAKAO, Kaname YASUDA, Naofumi FUJITA
  • Publication number: 20220276396
    Abstract: A radiation detection device includes a circuit board, a light receiving sensor having a light receiving region and a plurality of circuit regions, an FOP, a scintillator layer, and a plurality of wires. The FOP includes a first portion facing the light receiving region and fixed to the light receiving sensor, a second portion facing the circuit region while separated from the light receiving sensor, and a second portion facing the circuit region while separated from the light receiving sensor. The second portions are integrally formed with the first portion. One end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion, and one end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion.
    Type: Application
    Filed: May 19, 2022
    Publication date: September 1, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Keisuke NAKAO, Kazuhisa MIYAGUCHI
  • Patent number: 11397267
    Abstract: A radiation detection device includes a circuit board, a light receiving sensor having a light receiving region and a plurality of circuit regions, an FOP, a scintillator layer, and a plurality of wires. The FOP includes a first portion facing the light receiving region and fixed to the light receiving sensor, a second portion facing the circuit region while separated from the light receiving sensor, and a second portion facing the circuit region while separated from the light receiving sensor. The second portions are integrally formed with the first portion. One end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion, and one end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: July 26, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Keisuke Nakao, Kazuhisa Miyaguchi
  • Publication number: 20220120319
    Abstract: A torque transmission shaft includes a shaft and a clamp. The shaft includes: a male serration in one axial end portion; a slit in the other axial end portion, the slit axially extending and having a closed end on one side and an open end on the other side; a fitting cylinder portion in the other axial end portion; and a female serration provided in of the other axial end portion. The clamp includes: a discontinuous portion arranged at one place in the circumferential direction; a pair of flange portions arranged on both sides of the discontinuous portion; a connecting portion connecting the flange portions; and an insertion hole for fitting cylinder portion. The clamp is fitted onto the fitting cylinder portion to reduce the diameter of the fitting cylinder portion by narrowing the width dimension of the discontinuous portion.
    Type: Application
    Filed: January 22, 2020
    Publication date: April 21, 2022
    Inventors: Seiichi MORIYAMA, Keisuke NAKAO
  • Publication number: 20220010841
    Abstract: The torque transmission shaft has a shaft having a hollow tubular shape and a clamp. The shaft has a connecting portion integral with the shaft at one axial end portion, a slit extending in the axial direction in a portion on the other axial end side and opens on the other side in the axial direction, and a female serration on the inner circumferential surface of the other axial end portion. The clamp is separate from the shaft and has a non-continuous portion at one location in the circumferential direction, a pair of flange portions on both sides of the non-continuous portion, and a connecting portion connecting the pair of flange portions in the circumferential direction. The clamp is externally fitted and fixed to the other axial end portion of the shaft and reduces the diameter of the other axial end side portion of the shaft.
    Type: Application
    Filed: November 18, 2019
    Publication date: January 13, 2022
    Inventors: Seiichi MORIYAMA, Keisuke NAKAO
  • Publication number: 20210239858
    Abstract: A radiation detection device includes a circuit board, a light receiving sensor having a light receiving region and a plurality of circuit regions, an FOP, a scintillator layer, and a plurality of wires. The FOP includes a first portion facing the light receiving region and fixed to the light receiving sensor, a second portion facing the circuit region while separated from the light receiving sensor, and a second portion facing the circuit region while separated from the light receiving sensor. The second portions are integrally formed with the first portion. One end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion, and one end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 5, 2021
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Keisuke NAKAO, Kazuhisa MIYAGUCHI
  • Patent number: 11035414
    Abstract: The torque transmission shaft includes: a shaft that is integrally formed and that has a yoke provided at one end portion in the axial direction and a female serration provided on the inner peripheral surface at the other end in the axial direction; and a clamp that is separate from the shaft and that is capable of reducing the diameter of the other end portion of the shaft in the axial direction; wherein the shaft and the clamp are fixed together.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: June 15, 2021
    Assignee: NSK Ltd.
    Inventors: Seiichi Moriyama, Keisuke Nakao
  • Patent number: 11022179
    Abstract: The shaft coupling structure includes: a male joint, and a female shaft that is coupled to male joint. The outer peripheral surface of the male joint has an outer peripheral side concave-convex portion having a concave-convex shape in the circumferential direction and an annular concave groove, and the inner peripheral surface of the female shaft has an inner peripheral side concave-convex portion having a concave-convex shape in the circumferential direction. The outer peripheral side concave-convex portion and the inner peripheral side concave-convex portion engage with a concave-convex engagement. The outer peripheral surface of the male joint and an end portion on one side of the female shaft in the axial direction are welded and fixed together, and an embossed portion provided on the inner peripheral surface of the female shaft is arranged on the inner side of the annular concave groove.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: June 1, 2021
    Assignee: NSK Ltd.
    Inventors: Seiichi Moriyama, Keisuke Nakao
  • Publication number: 20200378445
    Abstract: A shaft coupling structure of the present invention includes a male joint and a female shaft that are coupled together. The outer peripheral surface of the male joint has an outer peripheral side concave-convex portion having a concave-convex shape in the circumferential direction and an annular concave groove, and the inner peripheral surface of the female shaft has an inner peripheral side concave-convex portion having a concave-convex shape in the circumferential direction. The outer peripheral side concave-convex portion and the inner peripheral side concave-convex portion engage with a concave-convex engagement. The outer peripheral surface of the male joint and an end portion on one side of the female shaft in the axial direction are welded and fixed together, and an embossed portion provided on the inner peripheral surface of the female shaft is arranged on the inner side of the annular concave groove.
    Type: Application
    Filed: August 2, 2018
    Publication date: December 3, 2020
    Inventors: Seiichi MORIYAMA, Keisuke NAKAO
  • Publication number: 20200284299
    Abstract: The torque transmission shaft includes: a shaft that is integrally formed and that has a yoke provided at one end portion in the axial direction and a female serration provided on the inner peripheral surface at the other end in the axial direction; and a clamp that is separate from the shaft and that is capable of reducing the diameter of the other end portion of the shaft in the axial direction; wherein the shaft and the clamp are fixed together.
    Type: Application
    Filed: September 5, 2018
    Publication date: September 10, 2020
    Inventors: Seiichi MORIYAMA, Keisuke NAKAO
  • Publication number: 20190388947
    Abstract: A structure of the hollow torque transmission member having a bellows portion in the middle section in the axial direction is manufactured at low cost by bulge molding such as hydroforming molding. A thin thickness portion having a smaller thickness in the radial direction than other portion is provided in the middle section in the axial direction of a hollow material. A hollow torque transmission member comprising a bellows portion is obtained by expanding the thin thickness portion outward in the radial direction by performing hydroforming molding to the hollow material.
    Type: Application
    Filed: January 26, 2018
    Publication date: December 26, 2019
    Inventors: Seiichi MORIYAMA, Keisuke NAKAO
  • Publication number: 20190331807
    Abstract: An intraoral sensor includes a scintillator including a first surface and a second surface, a fiber optical plate disposed on the second surface side of the scintillator, an image sensor disposed on an opposite side of the fiber optical plate from the scintillator, and a wiring board disposed on an opposite side of the image sensor from the fiber optical plate. An outline of the scintillator, an outline of the fiber optical plate, an outline of the image sensor, and an outline of the wiring board as viewed from a direction perpendicular to the first surface of the scintillator are substantially aligned.
    Type: Application
    Filed: November 14, 2017
    Publication date: October 31, 2019
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Keisuke NAKAO, Kazuhisa MIYAGUCHI
  • Patent number: 9295436
    Abstract: A method for manufacturing an intraoral sensor having improved airtightness within its package is provided. A method for manufacturing this intraoral sensor comprises a first step S1 of arranging the signal cable 2 in a first mold, then filling the first mold with a first resin, and heating the first mold, so as to mold the cable connection unit 14 having the jacket 2c of the signal cable 2 welded thereto; a second step S2 of preparing the joint 13; a third step S3 of arranging the cable connection unit 14 at a predetermined position in the joint 13 by using a second mold; and a fourth step S4 of resin-sealing the joint 13 and cable connection unit 14 onto each other.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: March 29, 2016
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Keisuke Nakao, Kazuhisa Miyaguchi
  • Patent number: 9054015
    Abstract: The solid-state imaging device 1 includes an imaging photodetecting section 10, a trigger photodetecting section 20, a row selection section 30, a column selection section 40, a holding section 50, a pixel data output section 60, a trigger data output section 70, and a control section 80. In a shutter method of the solid-state imaging device 1, the start of a charge accumulation period is common to all rows of the imaging photodetecting section 10, while the end of the charge accumulation period varies row by row of the imaging photodetecting section 10, and there is a signal readout period subsequent to the charge accumulation period in each row of the imaging photodetecting section 10. Accordingly, a solid-state imaging device that can perform high-accuracy imaging even when the incident period of light to be imaged is considerably short is realized.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: June 9, 2015
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Atsushi Ihori, Yukinobu Sugiyama, Keisuke Nakao
  • Patent number: 9006632
    Abstract: The solid-state imaging device 1 includes an imaging photodetecting section 10, a trigger photodetecting section 20, a row selection section 30, a column selection section 40, a holding section 50, a pixel data output section 60, a trigger data output section 70, and a control section 80. The control section 80, when an absolute value of trigger data has changed into a state of being in excess of a first threshold, and then the state has continued for a predetermined time ?1 or more, judges it as a start of a light incidence, and starts a charge accumulating operation for each pixel unit, and when an absolute value of trigger data has changed into a state of being less than a second threshold, and then the state has continued for a predetermined time ?2 or more, judges it as an end of a light incidence, and causes a charge transferring operation and a data outputting operation to be performed for each pixel unit.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: April 14, 2015
    Assignee: Hamamatsu Photonics K.K.
    Inventors: Atsushi Ihori, Yukinobu Sugiyama, Keisuke Nakao
  • Publication number: 20140360012
    Abstract: A method for manufacturing an intraoral sensor having improved airtightness within its package is provided. A method for manufacturing this intraoral sensor comprises a first step S1 of arranging the signal cable 2 in a first mold, then filling the first mold with a first resin, and heating the first mold, so as to mold the cable connection unit 14 having the jacket 2c of the signal cable 2 welded thereto; a second step S2 of preparing the joint 13; a third step S3 of arranging the cable connection unit 14 at a predetermined position in the joint 13 by using a second mold; and a fourth step S4 of resin-sealing the joint 13 and cable connection unit 14 onto each other.
    Type: Application
    Filed: June 6, 2013
    Publication date: December 11, 2014
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Keisuke NAKAO, Kazuhisa MIYAGUCHI
  • Publication number: 20130112851
    Abstract: The solid-state imaging device 1 includes an imaging photodetecting section 10, a trigger photodetecting section 20, a row selection section 30, a column selection section 40, a holding section 50, a pixel data output section 60, a trigger data output section 70, and a control section 80. In a shutter method of the solid-state imaging device 1, the start of a charge accumulation period is common to all rows of the imaging photodetecting section 10, while the end of the charge accumulation period varies row by row of the imaging photodetecting section 10, and there is a signal readout period subsequent to the charge accumulation period in each row of the imaging photodetecting section 10. Accordingly, a solid-state imaging device that can perform high-accuracy imaging even when the incident period of light to be imaged is considerably short is realized.
    Type: Application
    Filed: February 8, 2011
    Publication date: May 9, 2013
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Atsushi Ihori, Yukinobu Sugiyama, Keisuke Nakao
  • Publication number: 20130037699
    Abstract: The solid-state imaging device 1 includes an imaging photodetecting section 10, a trigger photodetecting section 20, a row selection section 30, a column selection section 40, a holding section 50, a pixel data output section 60, a trigger data output section 70, and a control section 80. The control section 80, when an absolute value of trigger data has changed into a state of being in excess of a first threshold, and then the state has continued for a predetermined time ?1 or more, judges it as a start of a light incidence, and starts a charge accumulating operation for each pixel unit, and when an absolute value of trigger data has changed into a state of being less than a second threshold, and then the state has continued for a predetermined time ?2 or more, judges it as an end of a light incidence, and causes a charge transferring operation and a data outputting operation to be performed for each pixel unit.
    Type: Application
    Filed: February 8, 2011
    Publication date: February 14, 2013
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Atsushi Ihori, Yukinobu Sugiyama, Keisuke Nakao