Patents by Inventor Jun Ishikawa

Jun Ishikawa 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: 20240364066
    Abstract: A connector manufacturing apparatus for manufacturing a connector that includes a connected body including tab terminals and a housing including a housing body in a tubular shape containing the connected body and terminal-containing portions provided in the housing body to contain the respective tab terminals, wherein the connector manufacturing apparatus comprises a press-fit jig, wherein the tab terminals include first tab terminals that include latch protrusions capable of biting into inner surfaces of the terminal-containing portions to latch to the terminal-containing portions and second tab terminals that do not include the latch protrusions, the connected body is provided with a jig contact surface on an end face on an opposite side from the first tab terminals, the jig contact surface being formed for the press-fit jig to come into contact therewith.
    Type: Application
    Filed: March 29, 2024
    Publication date: October 31, 2024
    Inventors: Naoki KOBAYASHI, Masaki Tanaka, Jun Ishikawa
  • Publication number: 20240364067
    Abstract: A connector manufacturing apparatus for manufacturing a connector that includes a busbar and a housing, wherein the connector manufacturing apparatus comprises a press-fit jig, the busbar includes a pair of connected bodies and a pair of coupling portion that couple the pair of connected bodies, the pair of coupling portions is provided at both end portions of the pair of connected bodies, each of the pair of coupling portions includes a pair of extended portions each extending on a same plane as the base portion of a corresponding one of the pair of connected bodies and a continuous portion that is continuous to both of the pair of extended portions and provided between the extended portions, the continuous portion is configured to be bent at a boundary portion with each of the extended portions, the press-fit jig is provided in a plate shape enterable between the extended portions constituting the pair, the press-fit jig includes a first surface, a second surface, and a third surface, and when the press-fit
    Type: Application
    Filed: April 8, 2024
    Publication date: October 31, 2024
    Applicant: Yazaki Corporation
    Inventors: Naoki KOBAYASHI, Masaki TANAKA, Jun ISHIKAWA
  • Patent number: 12126239
    Abstract: In an electric power unit which accommodates at least an electric motor in a housing, polygonal rib regions in which polygonal ribs are respectively formed are provided on at least two surfaces of an outer peripheral surface of the housing, and the polygonal rib regions are connected by a circumferential rib. Here, a first axial rib and a second axial rib extending parallel to an axial direction are formed on the outer peripheral surface of the housing, and the polygonal rib region is provided in a portion sandwiched between the first axial rib and the second axial rib. Further, the circumferential rib is formed over the entire part of the polygonal rib region in a circumferential direction. Note that the polygonal rib is a honeycomb rib.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: October 22, 2024
    Assignee: NIDEC CORPORATION
    Inventors: Daisuke Ogasawara, Yuki Ishikawa, Keisuke Nakata, Jun Murakami, Hiroki Akaishi, Kazuyuki Yamamoto
  • Publication number: 20240347306
    Abstract: A manufacturing method for an electron source according to the present disclosure includes steps of: (A) cutting out a chip from a block of an electron emission material, (B) fixing a first end portion of the chip to a distal end of a support needle, and (C) sharpening a second end portion of the chip. The step (A) includes forming first and second grooves which constitute first and second surfaces of the chip in the block by irradiating a surface of the block with an ion beam. The first end portion of the chip includes the first surface and the second surface with the surfaces forming an angle ? of 10 to 90°. The step (B) includes forming a joint between the distal end of the support needle and the first end portion of the chip.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 17, 2024
    Applicants: Denka Company Limited, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Hiromitsu CHATANI, Daisuke ISHIKAWA, Jie TANG, Tadakatsu OHKUBO, Shuai TANG, Jun UZUHASHI, Kazuhiro HONO
  • Publication number: 20240327576
    Abstract: The present invention aims to provide a method for producing a sulfur-containing polymer such as polyarylene sulfide which has few by-products in the polymerization reaction and little effect caused by the catalyst residue used, on optical properties or other properties. The present invention relates to a method for producing a sulfur-containing polymer, the method including polymerizing a monomer component containing at least one of a disulfide compound or a thiol compound using a catalyst, the catalyst containing an iron-containing substance, an amount of iron in the iron-containing substance being 50 mol % or less relative to 100 mol % of the monomer component.
    Type: Application
    Filed: June 22, 2022
    Publication date: October 3, 2024
    Inventors: Jun-ichi NAKAMURA, Tomoki ISHIKAWA
  • Publication number: 20240326293
    Abstract: A method for producing a fiber assembly, including: putting a plurality of fibers and a fiber treatment agent into a stirring tank; and stirring a mixture of the fibers and the fiber treatment agent with a stirring blade to granulate the mixture, wherein the fibers include carbon fibers, and the mixture is granulated such that the fibers are aligned. A method for producing a fiber assembly, wherein a plurality of fibers containing carbon fibers and a liquid are put into a stirring tank and the mixture of the fibers and the liquid is stirred with a stirring blade, thereby obtaining a fiber assembly which has a spheroidal shape or a strand shape.
    Type: Application
    Filed: December 11, 2023
    Publication date: October 3, 2024
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kazuki TSUJIKAWA, Takeshi ISHIKAWA, Jun MATSUI, Masashi IKEDA
  • Patent number: 12103836
    Abstract: A coupling structure includes an outer member attached over first and second column members, a first inner member between the first column member and the outer member, a second inner member between the second column member and the outer member, a first fixing member to fix the outer member to the first column member along with the first inner member, a second fixing member to fix the outer member to the second column member along with the second inner member, a third fixing member to fix the first inner member to the first column member, and a fourth fixing member to fix the second inner member to the second column member. The outer member and the first inner member are provided with a first positioner, and the outer member and the second inner member are provided with a second positioner.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: October 1, 2024
    Assignee: MURATA MACHINERY, LTD.
    Inventors: Jun Sai, Kazuhiro Ishikawa
  • Patent number: 12097788
    Abstract: A vehicle seat frame includes a seat cushion frame, left and right links, a connection member, left and right slide rails, and left and right risers. The seat cushion frame includes left and right side frames. The left and right links each have a one end portion connected to respective front portions of the left and right side frames. The connection member connects the left and right links together in the seat left-right direction. The left and right slide rails are disposed below the left and right side frames and are attached to a floor section of the vehicle. The left and right risers are respectively attached to the left and right slide rails, are connected to respective other end portions of the left and right links, and are configured to be impacted by the connection member under load from the occupant during a head-on collision of the vehicle.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: September 24, 2024
    Assignees: NHK Spring Co., Ltd, Subaru Corporation, Toyota Boshoku Kabushiki Kaisha
    Inventors: Syunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Fumito Kitanaka, Kenji Nagumo, Suguru Ishikawa, Naoki Hayashi
  • Patent number: 12094979
    Abstract: A semiconductor device having favorable electrical characteristics is provided.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 17, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yasuhiro Jinbo, Jun Ishikawa, Sachiaki Tezuka, Tetsuya Kakehata
  • Patent number: 12054080
    Abstract: In a vehicle seat frame, a connection member that connects left and right links together in a seat left-right direction is disposed below a rear portion of a cushion pan included in a seat cushion frame. A sloped surface sloped with a downward gradient toward a seat rear side is formed at a lower surface of the rear portion of the cushion pan. The sloped surface of the cushion pan slides in a seat rearward and diagonally downward direction relative to the connection member when the cushion pan deforms in a seat downward direction under load from the occupant during a head-on collision of the vehicle.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: August 6, 2024
    Assignees: NHK SPRING CO., LTD., SUBARU CORPORATION
    Inventors: Syunichirou Osa, Hiroki Matsuda, Jun Shirai, Masafumi Takano, Kenji Nagumo, Fumito Kitanaka, Suguru Ishikawa, Naoki Hayashi
  • Patent number: 12043053
    Abstract: A coating device includes a coating roller configured to rotate in a rotation direction to apply a treatment liquid onto a sheet at an application position, and a contacting member in contact with a peripheral surface of the coating roller at a position downstream of the application position in the rotation direction.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: July 23, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Jun Matsushima, Yuji Karikusa, Keisuke Yuasa, Teiichiro Ishikawa, Toshiya Satoh, Tetsuya Ohba
  • Publication number: 20240211077
    Abstract: An electronic device having a novel structure is provided. A battery is provided in each component of an electronic device, whereby the electronic device includes two batteries. The electronic device including the two batteries and a display portion that can be called a flexible display and has a plurality of foldable portions is provided as a novel device.
    Type: Application
    Filed: February 5, 2024
    Publication date: June 27, 2024
    Inventors: Shunpei YAMAZAKI, Jun ISHIKAWA
  • Publication number: 20240154359
    Abstract: A fixing structure of a connector 1 includes a housing 13 and a front holder 15. The front holder 15 includes a detection portion 151, a latching lock 152, and a restriction protrusion 153. The housing 13 includes an accommodation portion 1314, a restriction recessed portion 1315, and a latching portion 1316a. A restriction surface 1533 extending to cross a height direction Z is provided on the restriction protrusion 153, and a contact surface 1315a-1 configured to come into contact with the restriction surface 1533 and support the restriction protrusion 153 is provided on the restriction recessed portion 1315. When the latching lock 152 elastically deforms in the height direction Z, the restriction surface 1533 is in contact with the contact surface 1315a-1.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 9, 2024
    Applicant: Yazaki Corporation
    Inventors: Yasuhiro SASAKI, Jun ISHIKAWA, Yuki NORO
  • Publication number: 20240154360
    Abstract: A connector includes a housing with a latching lock and a lever latch section which is independent from the latching lock. A partner connector includes a partner housing with a lock section which is latchable by the latching lock. The lever is changeable between a non-latched state and a latched state, wherein when changing the lever from the non-latched state to the latched state, the lever connects the connector to the partner connector so as to cause the connector and the partner connector to approach each other in a forward-rearward direction. The connector is configured to be fixed to the partner connector by the lever being brought into the latched state and by the lock section being brought into a state in which the lock section is latched by the latching lock.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 9, 2024
    Applicant: Yazaki Corporation
    Inventors: Yasuhiro SASAKI, Jun ISHIKAWA, Yuki NORO
  • Publication number: 20240063571
    Abstract: There is provided a joint connector including: a ground terminal member integrally formed by a plate-shaped fixing portion fixed to a ground portion, a body horizontal plate portion extending from the plate-shaped fixing portion, a body rising plate portion formed by bending in a rising direction, a terminal connection portion provided formed with a plurality of terminal connecting portions electrically connectable with a counterpart terminal, and a coupling piece; and a housing integrally formed by a housing body portion in which the body rising plate portion and the terminal connection portion are insert-molded in a state where the plurality of terminal connecting portions are protruded for connecting the counterpart terminal, and a reinforcing rib portion provided to couple a resin portion covering the coupling piece and a resin portion covering the terminal connection portion.
    Type: Application
    Filed: July 17, 2023
    Publication date: February 22, 2024
    Inventors: Kozo Oishi, Tomoyoshi Fukaya, Jun Ishikawa
  • Publication number: 20240063569
    Abstract: There is provided a joint connector including: a ground terminal member made of a conductive metal, and configured by integrally forming a plate-shaped fixing portion fixed to a ground portion, the body horizontal plate portion extending from the plate-shaped fixing portion, the body rising plate portion formed by bending the body horizontal plate portion in a rising direction at a bent portion, the terminal connection portion provided above the body rising plate portion, and the crank-shaped bent portion bent in a crank shape near the terminal connection portion in the body rising plate portion; a housing to which the ground terminal member is insert-molded; and a primer treatment portion applied to an outer peripheral surface of the body rising plate portion on a side of the body horizontal plate portion with respect to the crank-shaped bent portion.
    Type: Application
    Filed: July 13, 2023
    Publication date: February 22, 2024
    Inventors: Kozo Oishi, Tomoyoshi Fukaya, Jun Ishikawa
  • Publication number: 20240055782
    Abstract: A terminal fitting comprising: a first terminal portion in which first tab portions, extending from a first tab continuous connecting portion, are arranged; a second terminal portion in which second tab portions, extending from a second tab continuous connecting portion, are arranged; a connecting portion connecting the first and second terminal portions; and a contact portion to be connected to an external terminal. The terminal fitting has a three-dimensional shape in which the terminal fitting having a preliminary shape is bent at the connecting portion. In the three-dimensional shape, the first terminal portion and the second terminal portion are three-dimensionally arranged to be connected at the connecting portion. In the preliminary shape, the first terminal portion and the second terminal portion are arranged to be fitted to each other, and the first tab continuous connecting portion and the second tab continuous connecting portion are connected at the connecting portion.
    Type: Application
    Filed: July 17, 2023
    Publication date: February 15, 2024
    Inventors: Masaki Tanaka, Naoki Kobayashi, Jun Ishikawa
  • Patent number: 11899886
    Abstract: An electronic device having a novel structure is provided. A battery is provided in each component of an electronic device, whereby the electronic device includes two batteries. The electronic device including the two batteries and a display portion that can be called a flexible display and has a plurality of foldable portions is provided as a novel device.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: February 13, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Jun Ishikawa
  • Publication number: 20230327207
    Abstract: A storage battery includes positive and negative electrodes and an electrolytic solution. The negative electrode includes a first element and carbon. The first element is any of silicon, tin, gallium, aluminum, germanium, lead, antimony, bismuth, silver, zinc, cadmium, and indium. The negative electrode includes an active material and a first layer in contact with a surface of the active material. The first layer has a thickness of 10 nm to 1000 nm inclusive. The electrolytic solution contains first and second cations. The first cation is one or more of a lithium ion, a sodium ion, a calcium ion, and a magnesium ion. The second cation is an imidazolium cation or a tertiary sulfonium cation.
    Type: Application
    Filed: May 1, 2023
    Publication date: October 12, 2023
    Inventors: Nobuhiro INOUE, Masaki YAMAKAJI, Jun ISHIKAWA, Kazuhei NARITA
  • Patent number: 11600948
    Abstract: A connector includes a housing fitted into or detached from a mating housing, and a fitting detection member assembled to a member housing section of the housing and detecting a fitting completion. The fitting detection member includes a locked portion locked to or detached from a lock section of a flexible lock arm, and a flexible arm section provided with a slip-off prevention locking section locked to or detached from a locking protrusion of the member housing section, and when fitting of both the housings is released, the flexible arm section is bent and deformed in a direction in which a locking margin between the locking protrusion of the member housing section and the slip-off prevention locking section of the flexible arm section increases.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: March 7, 2023
    Assignee: YAZAKI CORPORATION
    Inventors: Masatoshi Nakamura, Jun Ishikawa