Patents by Inventor Hajime MATSUI

Hajime MATSUI 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: 20240151305
    Abstract: A vehicle includes a transmission which has a first oil pump driven by rotation of a drive source that drives a drive wheel and a second oil pump provided with a check valve on a suction side and driven by a motor. In a vehicle control device for controlling the vehicle, a minimum value of a drive current value of the motor is defined as a first current value, when the second oil pump is driven in a normal drive state, and a minimum rotation speed of the drive source is increased compared to a case in which the drive current value of the motor is equal to or larger than the first current value, when an automatic downshift control for automatically downshifting a speed ratio of the transmission is executed in a case in which the drive current value of the motor is smaller than the first current value when the second oil pump is driven.
    Type: Application
    Filed: February 25, 2022
    Publication date: May 9, 2024
    Applicants: JATCO Ltd, NISSAN MOTOR CO., LTD.
    Inventors: Tarou MURAZUMI, Hajime TASAKA, Junki MATSUI, Masakatsu OGAWA
  • Patent number: 11955750
    Abstract: A joint connector includes the plurality of wires extending in an extending direction, a plurality of terminals to be respectively connected to front end parts of the plurality of wires in the extending direction, a lower housing for accommodating the plurality of terminals, a busbar to be disposed in the lower housing, and an upper cover to be assembled with the lower housing. The busbar includes a plurality of tabs. Each of the plurality of terminals includes a tube portion, into which each of the plurality of tabs is inserted, and a wire connecting portion to be connected to each of the plurality of wires. The plurality of wires drawn out rearward in the extending direction from the lower housing include bent portions folded forward in the extending direction. The upper cover includes wire pressing portions for holding the plurality of wires folded forward in the extending direction.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: April 9, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hiroki Kobayashi, Hajime Kawase, Masaaki Tabata, Teruo Hara, Hajime Matsui
  • Patent number: 11942737
    Abstract: A joint connector for connecting a plurality of wires includes a lower housing, an upper cover assembled with the lower housing, a plurality of terminals respectively connected to front end parts in an extending direction of the plurality of wires, and a busbar connected to the plurality of terminals. The busbar disposed in the lower housing includes a plurality of tabs. Each of the plurality of terminals disposed in the lower housing includes a tube portion, each of the plurality of tabs being inserted into the tube portion, sandwiching portions extending along the extending direction and configured to sandwich one of the plurality of wires, and a sliding portion disposed outside the sandwiching portions, movable along the extending direction and including pressurizing portions configured to pressurize the sandwiching portions toward the wire with the one of the plurality of wires sandwiched by the sandwiching portions.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: March 26, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hiroki Kobayashi, Hajime Kawase, Masaaki Tabata, Teruo Hara, Hajime Matsui
  • Patent number: 11888277
    Abstract: A terminal to be coupled to a front end portion of an electric wire. The terminal includes a terminal body and a slider. The terminal body includes a holding section holding a core wire of the electric wire. The slider is movable in a front-rear direction between a first position and a second position that is on a front side with respect to the first position while the slider being fitted on a section of the terminal body including the holding section. The slider includes a pressing portion that presses the holding section toward the electric wire when the slider is at the second position. The slider includes a pressure receiving portion that is pushed from a rear side to move the slider from the first position to the second position. The slider includes a support portion that receives a force applied to the pressure receiving portion that is pushed.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: January 30, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LIMITED, SUMITOMO WIRING SYSTEMS, LIMITED, SUMITOMO ELECTRIC INDUSTRIES, LIMITED, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nungna Wi, Masaaki Tabata, Hajime Matsui, Shunya Takeuchi, Hiroshi Kobayashi, Takeshi Amakawa
  • Publication number: 20230299535
    Abstract: A connector 10 of the present disclosure is provided with a plurality of terminals 30, a plurality of wires 20, a plurality of sub-housings 60, 70 and a lock member 80. The terminal 30 includes a locked portion. The sub-housings 60, 70 include cavities 61, 71 for accommodating the terminals 30 and locking portions for retaining the terminals 30 by locking the locked portions from behind. The plurality of wires 20 are respectively pulled out rearward from the plurality of terminals 30. The plurality of sub-housings 60, 70 are assembled with each other with the locked portions of the terminals 30 facing in the same direction, and held in an assembled state by the lock member 80.
    Type: Application
    Filed: May 18, 2021
    Publication date: September 21, 2023
    Inventors: Hiroki KOBAYASHI, Hajime MATSUI
  • Patent number: 11764493
    Abstract: A terminal to be connected to a wire is provided with a terminal body including a sandwiching portion for sandwiching the wire, and a tubular slide portion for accommodating the terminal body inside, the slide portion being slidable with respect to the terminal body. The slide portion includes a wide portion located on a front side in a sliding direction of the slide portion and a narrow portion located behind the wide portion in the sliding direction, an inner shape of the slide portion being narrower in the narrow portion than in the wide portion. The narrow portion is provided with a pressurizing portion projecting inwardly of the slide portion. The pressurizing portion presses the sandwiching portion toward the wire with the slide portion 16 slid in the sliding direction with respect to the terminal body and the narrow portion located outside the sandwiching portion.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: September 19, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Shunya Takeuchi, Masaaki Tabata, Hajime Matsui, Nungna Wi
  • Patent number: 11749933
    Abstract: A joint connector 10 to be connected to wires 11 includes a lower housing 30 and an upper cover 60. The lower housing 30 accommodates terminals 12 to be respectively connected to front end parts in an extending direction of the wires 11. The upper cover 60 is assembled to close an upper surface of the lower housing 30. The lower housing 30 or the upper cover 60 includes a lower guide portion 36 or an upper guide portion 69 for bending the wires 11 by contacting the wires 11 with the lower housing 30 and the upper cover 60 assembled.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: September 5, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hiroki Kobayashi, Hajime Kawase, Masaaki Tabata, Teruo Hara, Hajime Matsui
  • Patent number: 11738980
    Abstract: A capping machine includes a gripper having a pair of gripping arms provided on an outer peripheral portion of a rotating body and configured to grip a cylindrical portion of a vessel, an opening and closing device configured to open and close the gripping arms, and a capping head liftably and rotatably provided on the rotating body. The gripping arms are arranged symmetrically with respect to a radius of the rotating body. The gripper has a protrusion for preventing the vessel from rotating on a vessel gripping surface of the gripping arms. The gripping arms have outer and inner gripping surfaces which are connected in a V shape. The protrusion is formed only on the inner gripping surface of a right gripping arm. A cap held by the capping head is screwed onto the vessel while sticking the protrusion into the cylindrical portion.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: August 29, 2023
    Assignee: SHIBUYA CORPORATION
    Inventors: Satoshi Masumoto, Hajime Matsui, Yasuto Nishide, Hiroyoshi Yamada, Hiroaki Kitamoto, Masatoshi Nozaki
  • Patent number: 11726924
    Abstract: According to one embodiment, a key search circuit includes a hit determination circuit that determines whether a key search request hits a content stored in a search result buffer, and an update determination circuit that determines whether to update the content stored in the search result buffer. When the hit determination circuit determines that the key search request hits the search result buffer, the key search circuit outputs the search result stored in the search result buffer to an encryption/decryption circuit. When the update determination circuit determines to update the search result buffer, the key search circuit updates the content stored in the search result buffer with the key search request and a search result obtained from a range table.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: August 15, 2023
    Assignee: Kioxia Corporation
    Inventors: Takaya Ogawa, Hajime Matsui
  • Publication number: 20230238729
    Abstract: A connector 10 is provided with a terminal 20 to be connected to a front end part of a wire 11 extending in a front-rear direction, a connector housing 40 including an accommodating portion 41 for accommodating the terminal 20, and a rear holder 50 to be mounted on a rear end part of the connector housing 40. The rear holder 50 is formed with an insertion hole 61 extending along an extending direction of the wire between a communication opening 61A communicating with the accommodating portion 41 and a rear opening 61B open to outside in a rear end part of the rear holder 50. A guiding inclined surface 62 for reducing a hole diameter of the insertion hole 61 toward the communication opening 61A is provided on a wall surface of the insertion hole 61.
    Type: Application
    Filed: June 4, 2021
    Publication date: July 27, 2023
    Inventors: Nungna WI, Teruo HARA, Hajime MATSUI
  • Publication number: 20230231340
    Abstract: A wire cover is to be mounted on a rear side in a connecting direction of a connector to be connected to a mating connector. The connector includes a plurality of female terminals disposed apart from each other in a lateral direction and a plurality of wires connected to the respective female terminals and pulled out from the rear side in the connecting direction. The wire cover includes a housing having an insertion opening through which the plurality of wires are inserted and a draw-out opening through which the plurality of wires inserted through the insertion opening are drawn out rightward, and an assisting member for assisting three-dimensional bending of the respective wires inside the housing. The respective wires are three-dimensionally bent inside the housing and drawn out through the draw-out opening by being assisted by the assisting member.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 20, 2023
    Inventors: Hiroki KOBAYASHI, Shunya TAKEUCHI, Teruo HARA, Hajime MATSUI, Nungna WI, Masaaki TABATA
  • Publication number: 20230137240
    Abstract: A terminal to be connected to a front end part of a wire includes a terminal body and a slide portion. The terminal body includes a sandwiching portion for sandwiching the wire. The slide portion has a tubular shape to be externally fit to the terminal body and includes a pressurizing portion projecting inward from an inner surface of the slide portion. The slide portion is slidable with respect to the terminal body between a non-contact position where the pressurizing portion is not in contact with the sandwiching portion and a contact position forward of the non-contact position, the pressurizing portion being in contact with the sandwiching portion at the contact position. The slide portion has a lower wall, a first side wall extending upward from one side edge of the lower wall and a second sandwiching portion extending upward from the other side edge of the lower wall.
    Type: Application
    Filed: March 8, 2021
    Publication date: May 4, 2023
    Inventors: Shunya TAKEUCHI, Teruo HARA, Hajime MATSUI
  • Patent number: 11637386
    Abstract: A terminal coupled to an electric wire includes a terminal body and a shell. The shell includes a tubular portion and pressing portions 25A and 25B that protrudes from an inner wall of the tubular portion. The tubular portion includes a bottom wall, a first sidewall that projects upward from a first side edge of the bottom wall, a second sidewall that projects upward from a second side edge of the bottom wall, a ceiling that extends from the first sidewall to the second sidewall and is opposite the bottom wall, and a restricting portion that extends from the second sidewall to the first sidewall and overlaps an outer surface of the ceiling.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: April 25, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Teruo Hara, Hajime Kawase, Masaaki Tabata, Hajime Matsui, Hiroshi Kobayashi, Takeshi Amakawa
  • Publication number: 20230093203
    Abstract: According to an embodiment, an arithmetic device outputting an arithmetic result on a finite field with characteristic P includes a hardware processor. The hardware processor performs readout processing of a plurality of input values. The hardware processor performs, for each word, arithmetic operations with respect to the plurality of input values by using a value being based on the characteristic P and a comparison value between each input value of the plurality of input values and the characteristic P. The hardware processor outputs a first output value resulting from computing a value being based on each input value of the plurality of input values, the comparison value, and the characteristic P. The hardware processor outputs a second output value resulting from comparing the first output value and the characteristic P.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 23, 2023
    Applicant: Kioxia Corporation
    Inventor: Hajime MATSUI
  • Publication number: 20230071555
    Abstract: According to one embodiment, a key search circuit includes a hit determination circuit that determines whether a key search request hits a content stored in a search result buffer, and an update determination circuit that determines whether to update the content stored in the search result buffer. When the hit determination circuit determines that the key search request hits the search result buffer, the key search circuit outputs the search result stored in the search result buffer to an encryption/decryption circuit. When the update determination circuit determines to update the search result buffer, the key search circuit updates the content stored in the search result buffer with the key search request and a search result obtained from a range table.
    Type: Application
    Filed: March 4, 2022
    Publication date: March 9, 2023
    Applicant: Kioxia Corporation
    Inventors: Takaya OGAWA, Hajime MATSUI
  • Publication number: 20220376419
    Abstract: A terminal that is to be coupled to a mate terminal. The terminal includes a tubular portion and a spring tab. The mate terminal is to be inserted in the tubular portion and the spring tab is within the tubular portion, and includes a spring-side wall, connection wall, a first side wall that is continuous from the connection wall and the spring-side wall, a second side wall that is continuous from the spring-side wall, and an opening limiter portion. The spring tab presses the mate terminal, which is inserted in the tubular portion, from the spring-side wall toward the connection wall. The tubular portion includes a connection portion that connects the spring tab and connection wall. The tubular portion includes the opening limiter portion that contacts the connection portion from an opposite direction from a pressing direction, in which the spring tab presses the mate terminal, toward the connection wall.
    Type: Application
    Filed: June 29, 2020
    Publication date: November 24, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nungna WI, Masaaki TABATA, Hajime MATSUI, Hiroshi KOBAYASHI, Takeshi AMAKAWA
  • Publication number: 20220368056
    Abstract: A joint connector 10 for electrically connecting a plurality of wires 11 includes a housing 29 and a joint terminal 12 to be disposed in the housing 29. The joint terminal 12 includes a plurality of branch portions 20 arranged along an arrangement direction, a plurality of wire connecting portions 17 respectively continuous with the plurality of branch portions 20 and to be connected to the plurality of wires 11, and a coupling portion 19 for electrically connecting the plurality of branch portions 20 by coupling the plurality of branch portions 20. The coupling portion 19 is in the form of a plate extending in the arrangement direction and is bent. The coupling portion 19 is engaged with the housing 29.
    Type: Application
    Filed: August 18, 2020
    Publication date: November 17, 2022
    Inventors: Hiroki KOBAYASHI, Hajime KAWASE, Masaaki TABATA, Teruo HARA, Hajime MATSUI
  • Publication number: 20220368040
    Abstract: A terminal to be coupled to a front end portion of an electric wire. The terminal includes a terminal body and a slider. The terminal body includes a holding section holding a core wire of the electric wire. The slider is movable in a front-rear direction between a first position and a second position that is on a front side with respect to the first position while the slider being fitted on a section of the terminal body including the holding section. The slider includes a pressing portion that presses the holding section toward the electric wire when the slider is at the second position. The slider includes a pressure receiving portion that is pushed from a rear side to move the slider from the first position to the second position. The slider includes a support portion that receives a force applied to the pressure receiving portion that is pushed.
    Type: Application
    Filed: June 29, 2020
    Publication date: November 17, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Nungna WI, Masaaki TABATA, Hajime MATSUI, Shunya TAKEUCHI, Hiroshi KOBAYASHI, Takeshi AMAKAWA
  • Publication number: 20220300576
    Abstract: A controller of a computing apparatus calculates aP by multiplying an integer a being 2 or more and less than 2w and a coordinate value P; reads out, by w bits, a multiplication value k being a bit string and generates a string of signed odd numbers d of w+1 bits; calculates dP by multiplying a head of the d and the P and inputs the dP to a variable; executes looping between processing for inputting, to the variable, a value obtained by doubling the variable w times and processing for calculating dP by multiplying the P and a second or after of the d and inputting, to the variable, an addition result of the dP and the variable; and calculates a value by multiplying the P and a value based on lower 2 bits of the k and outputs kP by adding the calculated value and the variable.
    Type: Application
    Filed: September 9, 2021
    Publication date: September 22, 2022
    Applicant: Kioxia Corporation
    Inventor: Hajime MATSUI
  • Publication number: 20220247109
    Abstract: A female terminal includes a terminal body and a slider displaced relative to the terminal body. The terminal body includes a connecting tab deformable in a pressing direction crossing an inserting direction in which an electric wire is inserted and contactable with the electric wire. The slider is slidable between separated and overlapping positions. The slider includes a narrow portion that protrudes inward and has a less inner dimension in the pressing direction, and a wide portion in front of the narrow portion with respect to the inserting direction and has a greater inner dimension in the pressing direction than the narrow portion. The connecting tab contacts the electric wire when the narrow portion overlaps the connecting tab at the overlapping position. The slider includes a sloped guide surface that is angled at in front of the wide portion to spread further than the wide portion toward the front.
    Type: Application
    Filed: May 25, 2020
    Publication date: August 4, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Teruo HARA, Hajime KAWASE, Masaaki TABATA, Hajime MATSUI, Hiroshi KOBAYASHI, Takeshi AMAKAWA