Patents by Inventor Hideaki Nakajima

Hideaki Nakajima 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: 11915720
    Abstract: The spindle motor includes; a shaft including a shaft portion and a flange portion, the shaft portion having a columnar shape extending in an axial direction, the shaft portion including a shaft end portion, the flange portion being provided at the shaft end portion and receiving a load in the axial direction; and a bearing sleeve rotatably supporting the shaft, the bearing sleeve having a tubular shape including a sleeve end portion having a large-diameter recess part formed in the axial direction. The shaft is a member formed of a copper alloy containing from 0.5 mass percent to 1.5 mass percent of silicon and from 0.5 mass percent to 3.0 mass percent of manganese, and the member includes the shaft portion and the flange portion integrated with one another.
    Type: Grant
    Filed: March 2, 2023
    Date of Patent: February 27, 2024
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Hideaki Showa, Daigo Nakajima
  • Patent number: 11602050
    Abstract: A flexible printed circuit board includes: a proximal end portion; a left strip portion and a right strip portion that extend in the rear direction from the proximal end portion; and conductive paths, a portion of which is provided spanning from the proximal end portion to the left strip portion, and another portion of which is provided spanning from the proximal end portion to the right strip portion. In portions of the conductive path in the left strip portion and the right strip portion, strip side connecting portions that are electrically connected to electrode terminals of electricity storage devices are provided. In the left strip portion, a deformation portion that deforms to increase the distance between the left strip portion and the right strip portion is provided.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: March 7, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hideo Takahashi, Shinichi Takase, Hideaki Nakajima
  • Publication number: 20220344780
    Abstract: A battery wiring module including: bus bars including a terminating bus bar having an external connection portion; a case accommodating the bus bars; a cover portion mounted on the case to cover the bus bars while including a fixing portion mounted on the case, a large lid portion attached to the fixing portion via a first hinge portion to be rotatable from a first closed end covering the external connection portion and its peripheral region to a first open end exposing the external connection portion and its peripheral region, and a small lid portion attached to the large lid portion via a second hinge portion to be rotatable from a second closed end covering the external connection portion to a second open end exposing the external connection portion; and a retainer to retain the large lid portion at the first open end.
    Type: Application
    Filed: April 18, 2022
    Publication date: October 27, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideo TAKAHASHI, Yoshinori IKAI, Hideaki NAKAJIMA, Yuhei YAMADA, Daiji YOSHITO, Yuki OHIRA
  • Publication number: 20220336929
    Abstract: A wiring module that is to be mounted on power storage elements having electrode terminals includes a flexible board to be electrically connected to the electrode terminals, a connector connected to the flexible board, and a casing holding the flexible board and the connector. The casing includes a case body to be fixed to the power storage elements, a connector holder holding the connector, and a connection portion that is expandable and retractable and connects the connector holder and the case body such that the connector holder is movable relative to the case body. The flexible board includes a board body section fixed to the case body, and an extra section extending from the board body section and having an end that is connected to the connector. The extra section moves according to expansion and retraction of the connection portion.
    Type: Application
    Filed: April 4, 2022
    Publication date: October 20, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuhei YAMADA, Hideo TAKAHASHI, Hideaki NAKAJIMA, Yuki OHIRA
  • Publication number: 20220029249
    Abstract: A connection module includes multiple bus bars for connecting electrode terminals of adjacent power storage elements, and a holding member that holds the multiple bus bars. The holding member includes multiple holding units that respectively hold the multiple bus bars and are arranged side by side in one line, and the holding units include shielding walls. The shielding wall included on one first holding unit is provided in a standing manner along only the short side of the bus bar held in the first holding unit, the short side opposing another adjacent first holding unit or second holding unit.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 27, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hideo TAKAHASHI, Hideaki NAKAJIMA
  • Publication number: 20220006159
    Abstract: A connection module includes an FPC and a plurality of bus bars. The plurality of bus bars constitute a first bus bar row disposed along one long side of the FPC, and a second bus bar row disposed along the other long side of the FPC. The FPC includes tolerance absorbing portions each including a slit and a pair of deflection portions disposed with the slit interposed therebetween, and is divided into a plurality of wiring portion by the tolerance absorbing portions. The pair of deflection portions constituting the first tolerance absorbing portion can be deflected in a direction in which the two wiring portions that are adjacent to each other with the first tolerance absorbing portion interposed therebetween move toward and away from each other. The same description also applies to the second tolerance absorbing portion.
    Type: Application
    Filed: November 1, 2019
    Publication date: January 6, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hideo TAKAHASHI, Shinichi TAKASE, Hiroki SHIMODA, Hideaki NAKAJIMA
  • Publication number: 20210408633
    Abstract: A flexible printed circuit includes disclosed in this specification is a flexible printed with a plurality of conductive paths to which connection protruding portions of connection protruding pieces protruding from conductive members to be connected to electrode terminals of power storage elements are to be connected. The flexible printed circuit includes a plurality of inlet openings that are larger in size than the external shapes of the connection protruding portions and into which the connection protruding portions can be inserted with a gap being formed around each protruding portion, and a plurality of entrance openings that are provided corresponding to the inlet openings, have a configuration in which the protruding portions can be moved thereinto from the inlet openings, and extend in the form narrower than the inlet openings. Each of the conductive paths includes a land that is located at an edge portion of the entrance opening and to which the connection protruding portion is to be connected.
    Type: Application
    Filed: September 11, 2019
    Publication date: December 30, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hideo TAKAHASHI, Shinichi TAKASE, Hideaki NAKAJIMA
  • Publication number: 20210267057
    Abstract: A flexible printed circuit board includes: a proximal end portion; a left strip portion and a right strip portion that extend in the rear direction from the proximal end portion; and conductive paths, a portion of which is provided spanning from the proximal end portion to the left strip portion, and another portion of which is provided spanning from the proximal end portion to the right strip portion. In portions of the conductive path in the left strip portion and the right strip portion, strip side connecting portions that are electrically connected to electrode terminals of electricity storage devices are provided. In the left strip portion, a deformation portion that deforms to increase the distance between the left strip portion and the right strip portion is provided.
    Type: Application
    Filed: September 11, 2019
    Publication date: August 26, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hideo TAKAHASHI, Shinichi TAKASE, Hideaki NAKAJIMA
  • Patent number: 10704148
    Abstract: A laminated film includes a flexible base material, a first thin film layer formed on at least one of surfaces of the base material, and a second thin film layer formed on the first thin film layer, and the first thin film layer contains a silicon atom (Si), an oxygen atom (O) and a carbon atom (C), the second thin film layer contains a silicon atom, an oxygen atom and a nitrogen atom (N), and the first thin film layer and the second thin film layer are formed by using glow discharge plasma.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: July 7, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuhiro Yamashita, Yutaka Ito, Hideaki Nakajima
  • Patent number: 10385447
    Abstract: The invention provides a gas barrier laminated film having high impact resistance when a heterolayer is formed on a thin film layer. The laminated film includes a flexible substrate and a thin film layer formed on at least one surface of the substrate, wherein the thin film layer contains Si, O, and C, and the ratio of the number of carbon atoms to the number of silicon atoms which is calculated using peaks each corresponding to each binding energy of 2p of Si, 1s of O, 1s of N, and 1s of C obtained from wide scan spectrums is in the range defined by the following formula (1) when the surface of the thin film layer is subjected to X-ray photoelectron spectrometry, and a intensity ratio of a peak intensity (I2) at 1240 to 1290 cm?1 to a peak intensity (I1) at 950 to 1050 cm?1 is in the range defined by the following formula (2) when the surface of the thin film layer is measured by an ATR method in infrared spectrometry: 0.01<C/Si?0.02??(1) 0.01?I2/I1<0.05??(2).
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: August 20, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuhiro Yamashita, Hideaki Nakajima, Yutaka Ito
  • Publication number: 20190239857
    Abstract: A scanning range for a B-mode image is divided into a plurality of scanning regions, and a division transmission and reception is performed in which transmission and reception for each scanning region and transmission and reception that targets a region of interest for a color flow are alternately repeated. A control unit determines a transmission and reception condition of the division transmission and reception based on required speed information required in a color flow image, and controls the division transmission and reception by a transmission and reception unit in accordance with the determined transmission and reception condition.
    Type: Application
    Filed: December 5, 2017
    Publication date: August 8, 2019
    Inventor: Hideaki NAKAJIMA
  • Patent number: 9899665
    Abstract: Disclosed is a sodium secondary battery. The sodium secondary battery comprises a first electrode and a second electrode comprising a carbonaceous material. The carbonaceous material satisfies one or more requirements selected from the group consisting of requirements 1, 2, 3 and 4. Requirement 1: R value (=ID/IG) obtained by Raman spectroscopic measurement is 1.07 to 3. Requirement 2: A value and ?A value obtained by small angle X-ray scattering measurement are ?0.5 to 0 and 0 to 0.010, respectively. Requirement 3: for an electrode comprising an electrode mixture obtained by mixing 85 parts by weight of the carbonaceous material with 15 parts by weight of poly(vinylidene fluoride), the carbonaceous material in the electrode after being doped and dedoped with sodium ions is substantially free from pores having a size of not less than 10 nm. Requirement 4: Q1 value obtained by a calorimetric differential thermal analysis is not more than 800 joules/g.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: February 20, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Taketsugu Yamamoto, Hideaki Nakajima, Hiroshi Inukai, Shigekazu Ohmori, Chikara Murakami, Daisuke Nakaji, Hidekazu Yoshida, Maiko Saka
  • Publication number: 20170329062
    Abstract: To improve an optical film containing a polyimide-based polymer and the like and used for a front plate of a flexible device member, in terms of improvement of hygroscopic characteristics and achievement of high transparency, less coloring, and satisfactory ultraviolet absorption. Disclosed is an optical film containing a polyimide-based polymer and/or polyamide and an ultraviolet absorbent. A light transmittance of the optical film is not more than 5% at 380 nm and not less than 80% at 420 nm.
    Type: Application
    Filed: May 5, 2017
    Publication date: November 16, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hideaki NAKAJIMA, Takashi SAKURAI, Katsunori MOCHIZUKI, Boram PYEON
  • Publication number: 20170275752
    Abstract: The invention provides a gas barrier laminated film having high impact resistance when a heterolayer is formed on a thin film layer. The laminated film includes a flexible substrate and a thin film layer formed on at least one surface of the substrate, wherein the thin film layer contains Si, O, and C, and the ratio of the number of carbon atoms to the number of silicon atoms which is calculated using peaks each corresponding to each binding energy of 2p of Si, 1s of O, 1s of N, and 1s of C obtained from wide scan spectrums is in the range defined by the following formula (1) when the surface of the thin film layer is subjected to X-ray photoelectron spectrometry, and a intensity ratio of a peak intensity (I2) at 1240 to 1290 cm?1 to a peak intensity (Ii) at 950 to 1050 cm?1 is in the range defined by the following formula (2) when the surface of the thin film layer is measured by an ATR method in infrared spectrometry: 0.01<C/Si?0.02??(1) 0.01?I2/I1<0.
    Type: Application
    Filed: September 7, 2015
    Publication date: September 28, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuhiro YAMASHITA, Hideaki NAKAJIMA, Yutaka ITO
  • Publication number: 20160312362
    Abstract: A laminated film includes a flexible base material, a first thin film layer formed on at least one of surfaces of the base material, and a second thin film layer formed on the first thin film layer, and the first thin film layer contains a silicon atom (Si), an oxygen atom (O) and a carbon atom (C), the second thin film layer contains a silicon atom, an oxygen atom and a nitrogen atom (N), and the first thin film layer and the second thin film layer are formed by using glow discharge plasma.
    Type: Application
    Filed: December 11, 2014
    Publication date: October 27, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuhiro YAMASHITA, Yutaka ITO, Hideaki NAKAJIMA
  • Publication number: 20160312363
    Abstract: A laminated film includes a flexible base material, and at least one thin film layer formed on at least one of surfaces of the base material, and the at least one thin film layer satisfies all of the following conditions (i) and (ii): (i) a silicon atom (Si), an oxygen atom (O) and a nitrogen atom (N) are contained, (ii) when X-ray photoelectron spectrometry is conducted for a surface of the thin film layer, an atomic number ratio of carbon atoms to silicon atoms calculated from a wide scan spectrum satisfies a condition represented by the following formula (1): 0<C/Si?0.2??(1).
    Type: Application
    Filed: December 11, 2014
    Publication date: October 27, 2016
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuhiro YAMASHITA, Yutaka ITO, Hideaki NAKAJIMA
  • Patent number: 9307956
    Abstract: This ultrasonic diagnostic apparatus comprises: an operation unit with which a time division of a staining commencement time when a contrast agent enters is specified for each pixel of an ultrasonic image which is constructed chronologically with the ultrasonic diagnostic apparatus; and an image analyzing unit which determines a color assignment according to the time division of the staining commencement time, and applies a color to the pixel of the ultrasonic image with the determined color assignment, generating a contrast progress image.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: April 12, 2016
    Assignee: Hitachi Medical Corporation
    Inventor: Hideaki Nakajima
  • Publication number: 20130182120
    Abstract: This ultrasonic diagnostic apparatus comprises: an operation unit with which a time division of a staining commencement time when a contrast agent enters is specified for each pixel of an ultrasonic image which is constructed chronologically with the ultrasonic diagnostic apparatus; and an image analyzing unit which determines a color assignment according to the time division of the staining commencement time, and applies a color to the pixel of the ultrasonic image with the determined color assignment, generating a contrast progress image.
    Type: Application
    Filed: September 21, 2011
    Publication date: July 18, 2013
    Applicant: HITACHI MEDICAL CORPORATION
    Inventor: Hideaki Nakajima
  • Publication number: 20120258538
    Abstract: By culturing hematopoietic stem cells in the presence of SFRP-F protein, hematopoietic stem cells for hematopoietic stem cell transplantation can be produced.
    Type: Application
    Filed: September 9, 2010
    Publication date: October 11, 2012
    Applicant: Keio University
    Inventor: Hideaki Nakajima
  • Publication number: 20110135990
    Abstract: Disclosed is a sodium secondary battery. The sodium secondary battery comprises a first electrode and a second electrode comprising a carbonaceous material. The carbonaceous material satisfies one or more requirements selected from the group consisting of requirements 1, 2, 3 and 4. Requirement 1: R value (=ID/IG) obtained by Raman spectroscopic measurement is 1.07 to 3. Requirement 2: A value and ?A value obtained by small angle X-ray scattering measurement are ?0.5 to 0 and 0 to 0.010, respectively. Requirement 3: for an electrode comprising an electrode mixture obtained by mixing 85 parts by weight of the carbonaceous material with 15 parts by weight of poly(vinylidene fluoride), the carbonaceous material in the electrode after being doped and dedoped with sodium ions is substantially free from pores having a size of not less than 10 nm. Requirement 4: Q1 value obtained by a calorimetric differential thermal analysis is not more than 800 joules/g.
    Type: Application
    Filed: July 29, 2009
    Publication date: June 9, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Taketsugu Yamamoto, Hideaki Nakajima, Hiroshi Inukai, Shigekazu Ohmori, Chikara Murakami, Daisuke Nakaji, Hidekazu Yoshida, Maiko Saka