Patents by Inventor Kazuhisa Tamura

Kazuhisa Tamura 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: 20240334619
    Abstract: In order to provide an electronic device capable of securing a sufficient heat dissipation path while reducing assembly man-hours, the electronic device includes: a substrate on which an electronic component is packaged; a case in which a substrate insertion opening portion is provided, a slide groove through which a substrate is inserted by sliding is formed on both sidewalls, and the substrate is contained by being inserted in the slide groove from the substrate insertion opening portion; and a cover which is coupled to the case to block the substrate insertion opening portion of the case, the case being provided with a case side positioning portion for positioning the substrate; and the cover being provided with a cover side positioning portion for positioning the substrate.
    Type: Application
    Filed: August 1, 2023
    Publication date: October 3, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Eri Kuwahara, Takashi Ohara, Kazuhisa Tamura
  • Patent number: 11905848
    Abstract: To provide a turbine blade, a manufacturing method for a turbine blade, and a gas turbine. In the turbine blade including a cooling passage provided along a blade height direction, the cooling passage includes: a first cooling hole including one end opening toward a front end, and having an inner diameter that is constant along the blade height direction; and a second cooling hole including one end communicating with the other end of the first cooling hole without a level difference, and having an inner diameter that is increased toward a base end. A length from the one end of the first cooling hole to a position where the first cooling hole and the second cooling hole are communicated with is 40% to 60% of a length from the one end of the first cooling hole to a gas path surface on the base end.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: February 20, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Masayoshi Hatta, Keita Takamura, Susumu Wakazono, Takashi Fujii, Hiroyuki Otomo, Yosuke Mukai, Kazuhisa Tamura, Takaaki Oda, Hiroshi Kawasaki, Hiroyuki Kishihara
  • Publication number: 20230278527
    Abstract: A linking structure of a wiper blade 12 includes a wiper arm 10, the wiper blade 12, a hook part 10a provided at the wiper arm 10, and a linking part 13 provided at the wiper blade 12. The hook part 10a has a tip side extension part 10b in which a through hole 10c is formed. The linking part 13 has: a pair of sidewalls 13a, 13b facing each other; a cylindrical part 13c bonded to the pair of sidewalls 13a, 13b and engaged with the hook part 10a; a release lever 13d provided at the cylindrical part 13c; and a bridging part 13g bonded to the pair of sidewalls 13a, 13b. The release lever 13d is flexible, and includes a protrusion part 13f fittable with the through hole 10c. The tip part 13e of the release lever 13d protrudes to the outside of the linking part 13.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 7, 2023
    Applicant: MITSUBA Corporation
    Inventors: KAZUHISA TAMURA, KAZUYA NISHIMURA, NOBUTAKA NAKAJIMA
  • Publication number: 20230273295
    Abstract: This in-vehicle radar device includes: a conductive heat sink; a first cover covering a first-direction side of the heat sink; a second cover covering a second-direction side of the heat sink and connected to the first cover; a first circuit board including a first board, a first electronic component, a first ground pattern, and an antenna portion, stored between the heat sink and the first cover, and contacting with the heat sink; a conductive inner cover contacting with the first cover and the first circuit board; and an elastic member pressing the heat sink, the first circuit board, and the inner cover to the first cover. The first ground pattern contacts with and is electrically connected to one or both of the heat sink and the inner cover. A distance between the antenna portion and the first cover is equal to a thickness of the inner cover.
    Type: Application
    Filed: December 28, 2020
    Publication date: August 31, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takashi OHARA, Kazuhisa TAMURA
  • Publication number: 20230122791
    Abstract: The electric device has a first seal part, including, between a first case and a second case, a groove portion prepared at one side and a projection portion prepared at another side, where those portions are joined by sealing material; a second seal part, including, between the opening part of the first case and a peripheral part of the connector, a groove portion prepared at one side and a projection portion prepared at another side, where those portions are joined by the sealing material; and a third seal part, including, among the first case, the second case, and the peripheral part of the connector, a groove portion prepared at one side and a projection portion prepared at another side, as a combination, or a projection portion prepared at one side and a groove portion prepared at another side, as a combination, where those portions are joined by the sealing material.
    Type: Application
    Filed: August 22, 2022
    Publication date: April 20, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takashi OHARA, Kazuhisa Tamura
  • Publication number: 20220279664
    Abstract: An electronic device housing (1) includes: a case (20) having a bottom-surface portion (20a) and side-surface portions (10a) provided around the bottom-surface portion (20a); and a cover (10) covering an opening enclosed by ends of the side-surface portions (10a). At positions along each of at least two opposing side lines of the cover (10), two flexible arm portions (11) are provided so as to extend toward the bottom-surface portion (20a), and two protrusions (21) are provided between the two arm portions (11) so as to protrude from the side-surface portion (10a) and are held between the two arm portions so as to contact therewith. Contact parts of either the arm portions (11) or the protrusions (21) have curved-surface portions, and contact parts of others have flat-surface portions.
    Type: Application
    Filed: December 12, 2019
    Publication date: September 1, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hisakazu YAMANE, Takaaki TANAKA, Kazuhisa TAMURA
  • Publication number: 20220170376
    Abstract: To provide a turbine blade, a manufacturing method for a turbine blade, and a gas turbine. In the turbine blade including a cooling passage provided along a blade height direction, the cooling passage includes: a first cooling hole including one end opening toward a front end, and having an inner diameter that is constant along the blade height direction; and a second cooling hole including one end communicating with the other end of the first cooling hole without a level difference, and having an inner diameter that is increased toward a base end. A length from the one end of the first cooling hole to a position where the first cooling hole and the second cooling hole are communicated with is 40% to 60% of a length from the one end of the first cooling hole to a gas path surface on the base end.
    Type: Application
    Filed: June 1, 2020
    Publication date: June 2, 2022
    Inventors: Masayoshi HATTA, Keita TAKAMURA, Susumu WAKAZONO, Takashi FUJII, Hiroyuki OTOMO, Yosuke MUKAI, Kazuhisa TAMURA, Takaaki ODA, Hiroshi KAWASAKI, Hiroyuki KISHIHARA
  • Patent number: 11180277
    Abstract: A body portion (120A) that is a cylindrical body has one end portion, such as a lower end portion or the body portion (120A) or a first part (126) of a body portion (120), that is folded back inwardly. The body portion (120A) has at least one planar-shaped flat section, such as a second flat section (122) or a fourth flat section (124). A notch, such as a notch (K1) or a notch (K2), is provided at one end, such as a lower end, of the flat section. The one end portion includes a portion provided with the notch, such as by providing the notch (K1) or (K2) at a lower end of the lower end portion of the body portion (120A) or at a distal end of the first part (126A) of the body portion (120).
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: November 23, 2021
    Assignee: TOKAN KOGYO CO., LTD.
    Inventor: Kazuhisa Tamura
  • Publication number: 20200207505
    Abstract: A body portion (120A) that is a cylindrical body has one end portion, such as a lower end portion or the body portion (120A) or a first part (126) of a body portion (120), that is folded back inwardly. The body portion (120A) has at least one planar-shaped flat section, such as a second flat section (122) or a fourth flat section (124). A notch, such as a notch (K1) or a notch (K2), is provided at one end, such as a lower end, of the flat section. The one end portion includes a portion provided with the notch, such as by providing the notch (K1) or (K2) at a lower end of the lower end portion of the body portion (120A) or at a distal end of the first part (126A) of the body portion (120).
    Type: Application
    Filed: July 10, 2018
    Publication date: July 2, 2020
    Inventor: Kazuhisa Tamura
  • Publication number: 20200109063
    Abstract: A chemical feed control device controls feeding of a chemical into a water system of a plant. A water quality index-obtaining unit obtains a water quality index value for each of a plurality of disruptive factors of the water system. An environmental data-obtaining unit obtains environmental data related to the plant. An operational data-obtaining unit obtains operational data related to the plant. A determination unit determines a feed amount of each of a plurality of chemicals acting on at least one disruptive factor and having components different from each other with respect to the water system based on the water quality index value, the environmental data, and the operational data such that the water quality index value for each of the disruptive factors approximates a water quality target value for each of the disruptive factors.
    Type: Application
    Filed: November 30, 2018
    Publication date: April 9, 2020
    Inventors: Yuuji NAKAJIMA, Masato KANEDOME, Kazuhisa TAMURA, Masanori FUJIOKA, Toru TANAKA, Akihiro HAMASAKI, Kenji SATO, Yukihiko INOUE, Hideharu TANAKA
  • Patent number: 9981331
    Abstract: In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: May 29, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuhisa Tamura, Yosuke Mukai, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
  • Patent number: 9943919
    Abstract: Provided is an electrochemical machining apparatus, which includes an electrode (3) that form of a shape which a tube shape is extended, including a flexible conductive material, and is which an electrolyte (W) circulates from a base end side (3b) thereof toward a distal end side (3a) thereof, a current supply unit (6) that causes electric current to flow with respect to the electrode (3) in an extending direction (direction running the Y direction) in which the electrode (3) extends, and a magnetic field generation unit (7) that includes at least one pair of magnets (9) which are disposed to face the electrodes (3) a direction and apply a magnetic field in a direction (X direction) intersecting the extending direction with respect to the electrodes (3).
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: April 17, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tetsuhei Kobayashi, Shin Asano, Kazuhisa Tamura, Yosuke Mukai, Tomofumi Shintani
  • Patent number: 9925866
    Abstract: A tractor is provided. The tractor includes step brackets that are attached to a transmission case forming a vehicle body and that supports a step, a heat shield plate that is projected upward from a front section of the transmission case, fuel tank stays that extend downward from a lower section of the heat shield plate and that are attached to the fuel tank. The tractor also includes fenders serving as mud guards; and mud guard covers attached to the step brackets. The fuel tank stays are attached to the step brackets. The mud guard covers are attached to the fenders and the fuel tank.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: March 27, 2018
    Assignee: Iseki & Co., LTD.
    Inventor: Kazuhisa Tamura
  • Patent number: 9889515
    Abstract: An electrochemical machining tool (3) includes a tool body (10) which has an electrode (11) which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end (10a) side, and an insulating layer (12) coated on an outer circumferential surface of the electrode (11) to expose a leading end surface of the electrode (11), wherein a non-insulation section (15) which exposes the outer circumferential surface of the electrode (11) is formed on the tool body (11), and the non-insulation section (15) is surrounded by the insulating layer (12) from an axial (O) direction.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: February 13, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
  • Patent number: 9878388
    Abstract: The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: January 30, 2018
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani
  • Publication number: 20160303673
    Abstract: In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.
    Type: Application
    Filed: February 14, 2014
    Publication date: October 20, 2016
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuhisa TAMURA, Yosuke MUKAI, Shin ASANO, Tetsuhei KOBAYASHI, Tomofumi SHINTANI
  • Patent number: 9403227
    Abstract: An electrochemical machining tool includes a tool main body which includes an electrode having a tubular shape extending along an axis and formed of a conductive material having flexibility, the electrode through which an electrolyte flows toward a distal end side, and an insulating layer coated on an outer circumferential surface of the electrode so as to expose a distal end surface of the electrode. In the electrochemical machining tool, a hole part serving as a fluid discharge part configured to discharge the electrolyte flowing through inside of the electrode toward the outside in the radial direction of the tool main body is formed at a portion of a position in the circumferential direction of the tool main body.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: August 2, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuhisa Tamura, Yosuke Mukai, Shin Asano, Tetsuhei Kobayashi
  • Publication number: 20160129783
    Abstract: A tractor is provided. The tractor includes step brackets that are attached to a transmission case forming a vehicle body and that supports a step, a heat shield plate that is projected upward from a front section of the transmission case, fuel tank stays that extend downward from a lower section of the heat shield plate and that are attached to the fuel tank. The tractor also includes fenders serving as mud guards; and mud guard covers attached to the step brackets. The fuel tank stays are attached to the step brackets. The mud guard covers are attached to the fenders and the fuel tank.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 12, 2016
    Inventor: Kazuhisa TAMURA
  • Publication number: 20160074951
    Abstract: An electrochemical machining tool (3) includes a tool body (10) which has an electrode (11) which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end (10a) side, and an insulating layer (12) coated on an outer circumferential surface of the electrode (11) to expose a leading end surface of the electrode (11), wherein a non-insulation section (15) which exposes the outer circumferential surface of the electrode (11) is formed on the tool body (11), and the non-insulation section (15) is surrounded by the insulating layer (12) from an axial (O) direction.
    Type: Application
    Filed: February 14, 2014
    Publication date: March 17, 2016
    Inventors: Yosuke MUKAI, Kazuhisa TAMURA, Shin ASANO, Tetsuhei KOBAYASHI, Tomofumi SHINTANI
  • Publication number: 20150273602
    Abstract: The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.
    Type: Application
    Filed: December 4, 2013
    Publication date: October 1, 2015
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yosuke Mukai, Kazuhisa Tamura, Shin Asano, Tetsuhei Kobayashi, Tomofumi Shintani