Patents by Inventor Hirokazu Kawashima

Hirokazu Kawashima 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: 11189963
    Abstract: A connector (female connector 1) is provided with an inner housing 20 from which wires W are pulled out to outside and which is connected to a mating housing 90, and a vibration transmitting member 30, 40 including a mating contact portion (inner peripheral surface 31A) capable of coming into contact with the mating housing 90. The vibration transmitting member 30, 40 includes a wire fixing portion 43 to which the wires W are fixed, and is capable of transmitting vibration from the wire fixing portion 43 to the mating housing 90 from the mating contact portion 31A. The inner housing 20 is allowed to relatively move with respect to the vibration transmitting member 30, 40.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 30, 2021
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito, Hirokazu Komori
  • Patent number: 11165177
    Abstract: A board connector (A) has a housing (10) placed on a circuit board (P). The board connector (A) includes a terminal holding portion (11) and a receptacle (13) extending forward from an outer peripheral edge of the terminal holding portion (11). Terminal fittings (25, 26) are mounted while penetrating through the terminal holding portion (11) and are connectable to the circuit board (P) while being placed on the circuit board (P) behind the terminal holding portion (11). Locks (19) are formed on the housing (10) and restrict a forward tiling displacement of the housing (10) by being locked to the circuit board (P).
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: November 2, 2021
    Inventors: Naomichi Kawashima, Hirokazu Komori
  • Publication number: 20210020784
    Abstract: A field effect transistor including: a substrate, and at least gate electrode, a gate insulating film, a semiconductor layer, a protective layer for the semiconductor layer, a source electrode and a drain electrode provided on the substrate, wherein the source electrode and the drain electrode are connected with the semiconductor layer therebetween, the gate insulating film is between the gate electrode and the semiconductor layer, the protective layer is on at least one surface of the semiconductor layer, the semiconductor layer includes an oxide containing In atoms, Sn atoms and Zn atoms, the atomic composition ratio of Zn/(In+Sn+Zn) is 25 atom % or more and 75 atom % or less, and the atomic composition ratio of Sn/(In+Sn+Zn) is less than 50 atom %.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 21, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Koki YANO, Hirokazu KAWASHIMA, Kazuyoshi INOUE
  • Patent number: 10833201
    Abstract: A field effect transistor including: a substrate, and at least gate electrode, a gate insulating film, a semiconductor layer, a protective layer for the semiconductor layer, a source electrode and a drain electrode provided on the substrate, wherein the source electrode and the drain electrode are connected with the semiconductor layer therebetween, the gate insulating film is between the gate electrode and the semiconductor layer, the protective layer is on at least one surface of the semiconductor layer, the semiconductor layer includes an oxide containing In atoms, Sn atoms and Zn atoms, the atomic composition ratio of Zn/(In+Sn+Zn) is 25 atom % or more and 75 atom % or less, and the atomic composition ratio of Sn/(In+Sn+Zn) is less than 50 atom %.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: November 10, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Koki Yano, Hirokazu Kawashima, Kazuyoshi Inoue
  • Patent number: 10809820
    Abstract: A touch pen of a pen-type electronic input device includes a shaft-shaped body, a pen tip used to input information and provided on a front end of the body, a switch unit used to perform operations and arranged in a line on a side face of the body, and an electrically conductive barrel in which a slit is formed in an axial direction, wherein the switch unit passes through the slit to be mounted on an outer face of the body in an exposed state.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 20, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroya Saito, Hirokazu Kawashima
  • Patent number: 10709028
    Abstract: A touch pen includes a shaft-shaped body, a pen tip provided on a front end of the body, a switch unit arranged in a line on a side face of the body, a battery disposed inside the body, and a barrel in which a slit having a front opening is formed in an axial direction. A back end of the body is inserted from the opening such that the barrel covers an outer face of the body with the switch unit positioned in the slit, and the barrel has a center of gravity on an opposite side of the slit as seen in a transverse cross-section. When the touch pen is placed horizontally in a state with the barrel mounted on the outer face of the body, the center of gravity is positioned on the opposite side of the switch unit and the switch unit is positioned on top.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: July 7, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroya Saito, Hirokazu Kawashima
  • Patent number: 10649257
    Abstract: A cover mounting structure is configured to mount a cover to a covering target to be covered with the cover. The cover mounting structure includes a support member and a sliding member. The support member is configured to be secured to the covering target and supports the cover. The sliding member is prepared separately from the cover and provided so as to be slidable relative to the support member. The cover is secured to the support member at a prescribed securing position and connected to the sliding member at a different position from the prescribed securing position.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: May 12, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Hirokazu Kawashima
  • Patent number: 10644163
    Abstract: A field effect transistor including: a substrate, and at least gate electrode, a gate insulating film, a semiconductor layer, a protective layer for the semiconductor layer, a source electrode and a drain electrode provided on the substrate, wherein the source electrode and the drain electrode are connected with the semiconductor layer therebetween, the gate insulating film is between the gate electrode and the semiconductor layer, the protective layer is on at least one surface of the semiconductor layer, the semiconductor layer includes an oxide containing In atoms, Sn atoms and Zn atoms, the atomic composition ratio of Zn/(In+Sn+Zn) is 25 atom % or more and 75 atom % or less, and the atomic composition ratio of Sn/(In+Sn+Zn) is less than 50 atom %.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: May 5, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Koki Yano, Hirokazu Kawashima, Kazuyoshi Inoue
  • Patent number: 10487658
    Abstract: A turning device (30) includes an electric motor (41), a moving gear (53) configured to move between a first position (P1) at which rotation of an output shaft (43) of the electric motor (41) is able to be transmitted to a rotor (11) and a second position (P2) at which rotation of the output shaft (43) is unable to be transmitted to the rotor (11), a movement mechanism (60) configured to move the moving gear (53) between the first position (P1) and the second position (P2), a torque detection unit (44) configured to detect a torque of the output shaft (43) of the electric motor (41), and a control device (61) configured to control the movement mechanism (60) to move the moving gear (53) from the first position (P1) to the second position (P2) based on the torque detected by the torque detection unit (44).
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: November 26, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Hirokazu Kawashima, Masataka Yamada, Manu Agarwal
  • Publication number: 20190331004
    Abstract: A steam turbine includes: a partition section that partitions a high-pressure stage and a low-pressure stage; and a pressure regulation valve that regulates a pressure of extraction steam. The pressure regulation valve includes: a plurality of flow rate regulation valves; and a plurality of flow path compartments that correspond to the respective flow rate regulation valves and that communicate with the low-pressure stage side relative to the partition section through respective nozzle holes. The plurality of flow path compartments are arranged over the entire partition section in a circumferential direction in a region including an outer peripheral side of the pressure regulation valve relative to the partition section as a whole. The partition section includes a bypass passage that makes the high-pressure stage side and the low-pressure stage side communicate with each other without passing through the pressure regulation valve.
    Type: Application
    Filed: February 10, 2017
    Publication date: October 31, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventor: Hirokazu Kawashima
  • Patent number: 10443513
    Abstract: The emergency shutoff device is provided with a casing (21) in which inflow ports (22) through which control oil flows into a space (A1) provided therein and a plurality of outflow ports (23) through which the control oil flows outside of the space (A1) are formed; and a switching unit (24) configured to slide along an inner circumferential surface of the casing (21) in which the space (A1) is formed, to change its position relative to the plurality of outflow ports (23), and thus to switch a circulation state of the control oil in the space (A1). The switching unit (24) switches the circulation state between the first circulation state in which the control oil is circulated from a first inflow port (221) to a first outflow port (231) and the third circulation state in which an open and closed state of a test outflow port (236) is switched while the control oil is being circulated from the first inflow port (221) to the first outflow port (231).
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: October 15, 2019
    Assignee: MITSUBISHI INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Takashi Niiyama, Ken Nishitani, Hirokazu Kawashima, Abhay Jain
  • Publication number: 20190174643
    Abstract: A touch pen includes a shaft-shaped body, a pen tip provided on a front end of the body, a switch unit arranged in a line on a side face of the body, a battery disposed inside the body, and a barrel in which a slit having a front opening is formed in an axial direction. A back end of the body is inserted from the opening such that the barrel covers an outer face of the body with the switch unit positioned in the slit, and the barrel has a center of gravity on an opposite side of the slit as seen in a transverse cross-section. When the touch pen is placed horizontally in a state with the barrel mounted on the outer face of the body, the center of gravity is positioned on the opposite side of the switch unit and the switch unit is positioned on top.
    Type: Application
    Filed: August 29, 2018
    Publication date: June 6, 2019
    Inventors: HIROYA SAITO, HIROKAZU KAWASHIMA
  • Patent number: 10227898
    Abstract: A multi-valve-type steam valve provided with a plurality of control valves widening a flow path as valve bodies are gradually separated from valve seats by valve shafts being driven in one direction and allowing steam to flow in by allowing the plurality of control valves to reach an open state in order, the multi-valve-type steam valve being configured such that at least the control valve reaching the open state first among the plurality of control valves have a smaller steam inflow amount during the driving in the one direction from a closed state than the other control valves.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: March 12, 2019
    Assignee: Mitsubishi Heavy Industries Compressor Corporation
    Inventor: Hirokazu Kawashima
  • Patent number: 10227894
    Abstract: A rotary system capable of maintaining a distance of separation between two rotary machines and inhibiting vibration in an intermediate shaft connecting rotary shafts of the two rotary machines to each other. The rotary system includes a first rotary machine having a first rotary shaft, a second rotary machine having a second rotary shaft, and an intermediate shaft device having an intermediate shaft main body having a first end portion connected to the first rotary shaft and a second end portion connected to the second rotary shaft and rotating about an axis and a plurality of bearing devices slidably supporting the intermediate shaft main body.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: March 12, 2019
    Assignee: Mitsubishi Heavy Industries Compressor Corporation
    Inventors: Hirokazu Kawashima, Tomoyuki Nishikawa
  • Publication number: 20190064945
    Abstract: A touch pen of a pen-type electronic input device includes a shaft-shaped body, a pen tip used to input information and provided on a front end of the body, a switch unit used to perform operations and arranged in a line on a side face of the body, and an electrically conductive barrel in which a slit is formed in an axial direction, wherein the switch unit passes through the slit to be mounted on an outer face of the body in an exposed state.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Inventors: HIROYA SAITO, HIROKAZU KAWASHIMA
  • Publication number: 20180275447
    Abstract: A cover mounting structure is configured to mount a cover to a covering target to be covered with the cover. The cover mounting structure includes a support member and a sliding member. The support member is configured to be secured to the covering target and supports the cover. The sliding member is prepared separately from the cover and provided so as to be slidable relative to the support member. The cover is secured to the support member at a prescribed securing position and connected to the sliding member at a different position from the prescribed securing position.
    Type: Application
    Filed: March 6, 2018
    Publication date: September 27, 2018
    Inventor: HIROKAZU KAWASHIMA
  • Patent number: 10082044
    Abstract: A turning apparatus (30) includes an electric motor (41), a moving gear (53) that is movable between a first position at which rotation of an output shaft (43) of the electric motor (41) is able to be transmitted to a rotor (11), and a second position and a third position, which are different from each other and at which rotation of the output shaft (43) is unable to be transmitted to the rotor (11), a movement mechanism (60) configured to move the moving gear (53) between the first position, the second position and the third position, and a control device (61) configured to control the movement mechanism (60) based on a retreat signal such that the moving gear (53) is moved from the first position to the second position and control the movement mechanism (60) based on an adhesion prevention signal such that the moving gear (53) reciprocates between the second position and the third position.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: September 25, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Hirokazu Kawashima, Masataka Yamada, Manu Agarwal
  • Publication number: 20170268432
    Abstract: The emergency shutoff device is provided with a casing (21) in which inflow ports (22) through which control oil flows into a space (A1) provided therein and a plurality of outflow ports (23) through which the control oil flows outside of the space (A1) are formed; and a switching unit (24) configured to slide along an inner circumferential surface of the casing (21) in which the space (A1) is formed, to change its position relative to the plurality of outflow ports (23), and thus to switch a circulation state of the control oil in the space (A1). The switching unit (24) switches the circulation state between the first circulation state in which the control oil is circulated from a first inflow port (221) to a first outflow port (231) and the third circulation state in which an open and closed state of a test outflow port (236) is switched while the control oil is being circulated from the first inflow port (221) to the first outflow port (231).
    Type: Application
    Filed: November 26, 2014
    Publication date: September 21, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Takashi NIIYAMA, Ken NISHITANI, Hirokazu KAWASHIMA, Abhay JAIN
  • Publication number: 20170226858
    Abstract: A turning device (30) includes an electric motor (41), a moving gear (53) configured to move between a first position (P1) at which rotation of an output shaft (43) of the electric motor (41) is able to be transmitted to a rotor (11) and a second position (P2) at which rotation of the output shaft (43) is unable to be transmitted to the rotor (11), a movement mechanism (60) configured to move the moving gear (53) between the first position (P1) and the second position (P2), a torque detection unit (44) configured to detect a torque of the output shaft (43) of the electric motor (41), and a control device (61) configured to control the movement mechanism (60) to move the moving gear (53) from the first position (P1) to the second position (P2) based on the torque detected by the torque detection unit (44).
    Type: Application
    Filed: October 30, 2014
    Publication date: August 10, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Hirokazu KAWASHIMA, Masataka YAMADA, Manu AGARWAL
  • Publication number: 20170226899
    Abstract: A turning apparatus (30) includes an electric motor (41), a moving gear (53) that is movable between a first position at which rotation of an output shaft (43) of the electric motor (41) is able to be transmitted to a rotor (11), and a second position and a third position, which are different from each other and at which rotation of the output shaft (43) is unable to be transmitted to the rotor (11), a movement mechanism (60) configured to move the moving gear (53) between the first position, the second position and the third position, and a control device (61) configured to control the movement mechanism (60) based on a. retreat signal such that the moving gear (53) is moved from the first position to the second position and control the movement mechanism (60) based on an adhesion prevention signal such that the moving gear (53) reciprocates between the second position and the third position.
    Type: Application
    Filed: November 5, 2014
    Publication date: August 10, 2017
    Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    Inventors: Hirokazu KAWASHIMA, Masataka YAMADA, Manu AGARWAL