Patents by Inventor Hiroaki Yamazaki

Hiroaki Yamazaki 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: 11214481
    Abstract: According to one embodiment, a MEMS element includes a base body, a supporter, a film part, a first electrode, a second electrode, and an insulating member. The supporter is fixed to the base body. The film part is separated from the base body in a first direction and supported by the supporter. The first electrode is fixed to the base body and provided between the base body and the film part. The second electrode is fixed to the film part and provided between the first electrode and the film part. The insulating member includes a first insulating region and a second insulating region. The first insulating region is provided between the first electrode and the second electrode. A first gap is provided between the first insulating region and the second electrode. The second insulating region does not overlap the first electrode in the first direction.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: January 4, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Fumitaka Ishibashi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Tomohiko Nagata, Kei Masunishi, Yoshihiko Kurui
  • Patent number: 11203793
    Abstract: A steel pipe for fuel injection pipe has a tensile strength of 500 to 900 MPa and a yield ratio of 0.50 to 0.85, and has a critical internal pressure (IP) satisfying [IP?0.41×TS×?] (?=[(D/d)2?1]/[0.776×(D/d)2], where TS: tensile strength (MPa) of the steel pipe, D: steel pipe outer diameter (mm), and d: steel pipe inner diameter (mm)), wherein a circumferential-direction residual stress on an inner surface of the pipe is ?20 MPa or lower after the steel pipe is split in half in a pipe axis direction.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 21, 2021
    Assignees: USUI CO., LTD., NIPPON STEEL CORPORATION
    Inventors: Tatsuya Masuda, Tsugumi Yamazaki, Hiroaki Kondo, Taizo Makino, Masahiro Yamazaki, Katsunori Nagao
  • Patent number: 11169035
    Abstract: According to one embodiment, a pressure sensor includes a base body, a supporter, a film part, a first electrode, and a second electrode. The supporter is fixed to the base body. The film part is separated from the base body. The film part includes first, second, and third partial regions, and a rim portion. The rim portion is supported by the supporter. The second partial region is between the first partial region and the rim portion. The third partial region is between the second partial region and the rim portion. The first electrode is provided between the base body and the first partial region and between the base body and the second partial region. The first electrode is fixed to the base body. The second electrode is provided between the first electrode and the first partial region and between the first electrode and the second partial region.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: November 9, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kei Masunishi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
  • Publication number: 20210318282
    Abstract: According to one embodiment, a sensor includes a handhole part, a sensor module, and a holder. The handhole part includes an inner wall. The sensor module is provided in the handhole part. The sensor module includes a housing, a sensor circuit provided in the housing, the sensor circuit including a gas sensor element, and a battery configured to supply electrical power to the sensor circuit. The holder holds the sensor module so that a gap is formed between the inner wall and the housing and between the housing and a first member under the housing.
    Type: Application
    Filed: February 16, 2021
    Publication date: October 14, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yosuke AKIMOTO, Hiroki KUDO, Hiroaki YAMAZAKI
  • Publication number: 20210318279
    Abstract: According to one embodiment, a sensor includes a handhole part, and a sensor module. The handhole part includes an inner wall and a holder. The holder is located at the inner wall. The sensor module is provided in the handhole part. The sensor module includes a held part held by the holder, a housing connected with the held part, a sensor circuit provided in the housing and including a gas sensor element, and a battery configured to supply electrical power to the sensor circuit. A gap is between the inner wall and the housing and between the housing and a first member under the housing.
    Type: Application
    Filed: February 16, 2021
    Publication date: October 14, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yosuke AKIMOTO, Hiroki KUDO, Hiroaki YAMAZAKI, Kentaro NAKAJIMA, Kohei SUZUKI
  • Publication number: 20210175035
    Abstract: According to one embodiment, a MEMS element includes a first member, and an element part. The element part includes a first fixed electrode fixed to the first member, a first movable electrode facing the first fixed electrode, a first conductive member electrically connected to the first movable electrode, and a second conductive member electrically connected to the first movable electrode. The first conductive member and the second conductive member support the first movable electrode to be separated from the first fixed electrode in a first state before a first electrical signal is applied between the second conductive member and the first fixed electrode. The first conductive member and the second conductive member are in a broken state in a second state after the first electrical signal is applied between the second conductive member and the first fixed electrode.
    Type: Application
    Filed: September 10, 2020
    Publication date: June 10, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroaki YAMAZAKI, Kei Masunishi
  • Patent number: 11013756
    Abstract: The present invention provides an anti-IL-17 aptamer comprising a compound represented by the following formula (I): (each symbol is as defined in the DESCRIPTION) or a pharmaceutically acceptable salt, solvate or hydrate thereof, and showing improved in vivo stability.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: May 25, 2021
    Assignee: ZENYAKU KOGYO CO., LTD.
    Inventors: Kazuhiko Haruta, Hiroaki Yamazaki
  • Patent number: 11009478
    Abstract: According to one embodiment, a gas sensor includes a film structure including a gas sensitive film and a heater film heating the gas sensitive film, a physical quantity sensing section sensing a predetermined physical quantity which varies based on storage of a gas to be carried out by the gas sensitive film, a voltage generation section generating a first voltage for heating the gas sensitive film at a first temperature and a second voltage for heating the gas sensitive film at a second temperature higher than the first temperature, and a voltage switching section switching between the first voltage and the second voltage to be supplied to the heater film.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: May 18, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yumi Hayashi, Hiroaki Yamazaki
  • Publication number: 20210109071
    Abstract: According to one embodiment, a sensor includes a sensor part including a first film, and a structure body including a second film. The first film has a first density, and a first concentration of a first element. The second film has at least one of a second density, or a second concentration of the first element. The second concentration is greater than the first concentration. The second density is greater than the first density.
    Type: Application
    Filed: August 12, 2020
    Publication date: April 15, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yumi HAYASHI, Hiroaki YAMAZAKI
  • Publication number: 20210047171
    Abstract: According to one embodiment, a MEMS element includes a base body, a supporter, a film part, a first electrode, a second electrode, and an insulating member. The supporter is fixed to the base body. The film part is separated from the base body in a first direction and supported by the supporter. The first electrode is fixed to the base body and provided between the base body and the film part. The second electrode is fixed to the film part and provided between the first electrode and the film part. The insulating member includes a first insulating region and a second insulating region. The first insulating region is provided between the first electrode and the second electrode. A first gap is provided between the first insulating region and the second electrode. The second insulating region does not overlap the first electrode in the first direction.
    Type: Application
    Filed: March 4, 2020
    Publication date: February 18, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Fumitaka ISHIBASHI, Naofumi NAKAMURA, Hiroaki YAMAZAKI, Tomohiro SAITO, Tomohiko NAGATA, Kei MASUNISHI, Yoshihiko KURUI
  • Publication number: 20210041311
    Abstract: According to one embodiment, a pressure sensor includes a base body, a supporter, a film part, a first electrode, and a second electrode. The supporter is fixed to the base body. The film part is separated from the base body. The film part includes first, second, and third partial regions, and a rim portion. The rim portion is supported by the supporter. The second partial region is between the first partial region and the rim portion. The third partial region is between the second partial region and the rim portion. The first electrode is provided between the base body and the first partial region and between the base body and the second partial region. The first electrode is fixed to the base body. The second electrode is provided between the first electrode and the first partial region and between the first electrode and the second partial region.
    Type: Application
    Filed: February 13, 2020
    Publication date: February 11, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kei MASUNISHI, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
  • Patent number: 10908035
    Abstract: According to one embodiment, a pressure sensor is disclosed. The pressure sensor includes a substrate, and a first capacitor element. The first capacitor element includes a lower electrode provided on the substrate, an upper electrode disposed above the lower electrode, and a film provided over the lower electrode and upper electrode. The lower electrode and the upper electrode are between the substrate and the film. An absolute value of an amount of change in an electrostatic capacitance between the lower electrode and the upper electrode with respect to unit change in an ambient temperature of the first capacitor element is substantially zero.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 2, 2021
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kei Masunishi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
  • Publication number: 20200408250
    Abstract: Provided are an oil receiver (20) having an annular recess portion (52) which faces an entire circumference of an outer circumferential edge of a concave spherical portion (36), and a guide member (21) which guides lubricating oil, which has flowed out from a spherical engagement portion between a convex spherical portion (24) and a concave spherical portion (36), toward an annular recess portion (52).
    Type: Application
    Filed: February 25, 2019
    Publication date: December 31, 2020
    Applicant: NSK LTD.
    Inventors: Tetsurou MARUNO, Satoshi SUGAI, Hiroaki YAMAZAKI, Nobuyuki HAGIWARA
  • Patent number: 10794886
    Abstract: A gas detection device includes a substrate having a main surface and a movable film structure located on, and including a portion thereof spaced from, the main surface of the substrate. The portion of the movable film structure located over and spaced from the substrate includes a first film formed of an insulating material, a patterned second film which deforms as a result of absorbing or adsorbing a predetermined gas, and a patterned third film comprising a resistive heater, at least a portion of the movable film structure spaced from the substrate being movable with respect to the substrate. From the perspective of a direction perpendicular to the main surface of the substrate, at least a portion of a pattern of the second film overlaps at least a portion of a pattern of the third film.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: October 6, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tamio Ikehashi, Hiroaki Yamazaki
  • Publication number: 20200300717
    Abstract: According to one embodiment, a pressure sensor is disclosed. The pressure sensor includes a substrate, and a first capacitor element. The first capacitor element includes a lower electrode provided on the substrate, an upper electrode disposed above the lower electrode, and a film provided over the lower electrode and upper electrode. The lower electrode and the upper electrode are between the substrate and the film. An absolute value of an amount of change in an electrostatic capacitance between the lower electrode and the upper electrode with respect to unit change in an ambient temperature of the first capacitor element is substantially zero.
    Type: Application
    Filed: September 11, 2019
    Publication date: September 24, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kei Masunishi, Naofumi Nakamura, Hiroaki Yamazaki, Tomohiro Saito, Fumitaka Ishibashi, Yoshihiko Kurui, Tomohiko Nagata
  • Publication number: 20200300803
    Abstract: In one embodiment, a gas sensor includes a sensing layer having a first region containing PdCuSi, and a second region which is provided outside the first region and contains PdCu.
    Type: Application
    Filed: October 4, 2019
    Publication date: September 24, 2020
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yumi Hayashi, Akihiro Kojima, Hiroaki Yamazaki
  • Patent number: 10763815
    Abstract: According to one embodiment, an IC chip includes a plurality of fuse elements including a plurality of fuse portions each of which is to be cut off by a stress, and a plurality of actuator portions provided for the plurality of fuse portions, respectively, and each of which applies a stress to corresponding one of fuse portions, and a control circuit supplying a control signal for cutting off desired one of the fuse portions to corresponding one of the actuator portions.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: September 1, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tamio Ikehashi, Hiroaki Yamazaki
  • Patent number: 10640024
    Abstract: A seat back frame includes an upper frame having a first through-hole, a bracket having a second through-hole, and a holder including a first locking portion and a second locking portion. The upper frame includes a first inner edge portion, and the first inner edge portion inwardly defines an opening of the first through-hole located opposite to the bracket. The bracket includes a second inner edge portion, and the second inner edge portion inwardly defines an opening of the second through-hole located opposite to the upper frame. The first locking portion is locked to the first inner edge portion and the second locking portion is locked to the second inner edge portion to allow the first locking portion and the second locking portion to retain the upper frame and the bracket therebetween in the up-down direction.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: May 5, 2020
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Takuya Inoue, Kazunobu Nuno, Hiroaki Yamazaki
  • Patent number: 10598647
    Abstract: According to one embodiment, a gas sensor is disclosed. The gas sensor includes a substrate region, a first electrode provided on the substrate region, and a movable structure above the first electrode. The movable structure includes a deformable member which deforms by absorbing or adsorbing a predetermined gas, a heat member which heats the deformable member, and a second electrode. The gas sensor further includes a first cavity region which is provided between the first electrode and the second electrode.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: March 24, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tamio Ikehashi, Hiroaki Yamazaki
  • Publication number: 20200080954
    Abstract: According to one embodiment, a hydrogen sensor is disclosed. The hydrogen sensor includes a capacitor, a gas detector, a heater, and a determiner. The capacitor includes a deformable member that deforms by absorbing or adsorbing hydrogen and varies a capacitance value corresponding to a deformation of the deformable member. The gas detector detects gas based on a capacitance value of the capacitor. The heater heats the deformable member. The determiner determines whether gas detected by the gas detector contains a substance other than hydrogen or not, wherein the gas detector detects the gas during a heating period during which the heater heats the deformable member.
    Type: Application
    Filed: March 13, 2019
    Publication date: March 12, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Hiroaki Yamazaki