Patents by Inventor Naokazu NAGASAKA

Naokazu NAGASAKA 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: 11545772
    Abstract: A connector includes: a terminal fitting; a housing including a smooth terminal lead-out area where a terminal outlet for projecting a conductor connection part of the terminal fitting on the inner side toward an outer side is provided; a conductive component shaped in a sheet-like form with a conductor and an insulator exhibiting flexibility, the conductive component including a conductor connection area that physically and electrically connects the conductor to the conductor connection part, and a conductor lead-out area led out from the conductor connection area toward a lead-out direction projecting from the housing; and a reinforcing plate shaped in a planar shape with an insulating material, the reinforcing plate being sandwiched between the conductor connection area and the terminal lead-out area. The housing includes a protruded body protruded toward the conductor lead-out area side of the conductive component than a same plane with the terminal lead-out area.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: January 3, 2023
    Assignee: YAZAKI CORPORATION
    Inventors: Naokazu Nagasaka, Kaoru Sawairi
  • Patent number: 11522318
    Abstract: In a connector, a main locking structure and an auxiliary locking structure are provided between a housing and a cover for maintaining the housing and the cover in a completely assembled state by locking the move of the cover in the connector removal direction with respect to the housing. The main locking structure includes: a first main locking body provided to a first housing sidewall and a second housing sidewall; and a second main locking body provided to a first cover sidewall and a second cover sidewall and engaged with the first main locking body. The auxiliary locking structure includes: a first auxiliary locking body provided to the first housing sidewall and the second housing sidewall; and a second auxiliary locking body provided to the first cover sidewall and the second cover sidewall on a second opening side than the second main locking body is.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: December 6, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Naokazu Nagasaka, Kaoru Sawairi
  • Publication number: 20220328991
    Abstract: A board mount connector includes: a housing having a press-fitting hole; and a terminal press-fitted into the press-fitting hole. The terminal includes: a first terminal portion including a first contact portion contacting and conductively connected to the counterpart terminal when the first contact portion is connected to the counterpart terminal, and a press-fitting portion that is press-fitted into the press-fitting hole; and a second terminal portion including a bent portion extending from the first terminal portion and bent around a bending axis along an axis line of the first terminal portion, and a second contact portion located at a position offset from the first contact portion in an intersecting direction intersecting the axis line of the first terminal portion and conductively connected to the conductor pattern when the boar mount connector is mounted on the circuit board.
    Type: Application
    Filed: April 5, 2022
    Publication date: October 13, 2022
    Inventors: Kaoru Sawairi, Naokazu Nagasaka, Naoki Takamura, Kotarou Wada
  • Publication number: 20220190537
    Abstract: A connector includes: a terminal fitting having a terminal part and a conductor connecting part; a housing in which the terminal fitting is housed; and a conductive component that is molded as a laminate body including an electrical conductor and an electrical insulator and having a through-hole, and causes the electrical conductor to be physically and electrically connected to the conductor connecting part inserted into the through-hole when the electrical conductor is soldered to the conductor connecting part. The conductor connecting part is formed in a tubular part with two ends butted each other in a contact state so that end faces that are the non-plated surfaces of the two ends do not appear on the surface, and the entire outer wall surface of the tubular part is a plating layer.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 16, 2022
    Applicant: Yazaki Corporation
    Inventors: Kotarou WADA, Naoki Takamura, Naokazu Nagasaka
  • Patent number: 11239583
    Abstract: A connector includes a terminal clasp, a flexible flat conductive component, a housing in which an electrical connection part of the terminal clasp protrudes out of an opening of a storage room, and a cover that covers the electrical connection part from outside together with at least part of the housing. The flexible flat conductive component includes an electrical connection region in which the electrical connection part is connected with a conductor, a peripheral region enclosing the electrical connection region, an extension region extending out of the housing and the cover connected with each other, and at least two fitting holes provided on the extension region side in the peripheral region.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: February 1, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Naokazu Nagasaka, Shoichi Watai
  • Publication number: 20220029354
    Abstract: In a connector, a main locking structure and an auxiliary locking structure are provided between a housing and a cover for maintaining the housing and the cover in a completely assembled state by locking the move of the cover in the connector removal direction with respect to the housing. The main locking structure includes: a first main locking body provided to a first housing sidewall and a second housing sidewall; and a second main locking body provided to a first cover sidewall and a second cover sidewall and engaged with the first main locking body.
    Type: Application
    Filed: July 21, 2021
    Publication date: January 27, 2022
    Applicant: Yazaki Corporation
    Inventors: Naokazu NAGASAKA, Kaoru SAWAIRI
  • Publication number: 20220029327
    Abstract: A connector includes: a terminal fitting; a housing including a smooth terminal lead-out area where a terminal outlet for projecting a conductor connection part of the terminal fitting on the inner side toward an outer side is provided; a conductive component shaped in a sheet-like form with a conductor and an insulator exhibiting flexibility, the conductive component including a conductor connection area that physically and electrically connects the conductor to the conductor connection part, and a conductor lead-out area led out from the conductor connection area toward a lead-out direction projecting from the housing; and a reinforcing plate shaped in a planar shape with an insulating material, the reinforcing plate being sandwiched between the conductor connection area and the terminal lead-out area. The housing includes a protruded body protruded toward the conductor lead-out area side of the conductive component than a same plane with the terminal lead-out area.
    Type: Application
    Filed: July 21, 2021
    Publication date: January 27, 2022
    Applicant: Yazaki Corporation
    Inventors: Naokazu Nagasaka, Kaoru Sawairi
  • Patent number: 11158977
    Abstract: A connector includes a housing in which a terminal fitting is stored, and a cover. A guiding structure configured to guide the housing and the cover in a connection direction, and a holding structure configured to hold the housing and the cover at a connection completed position are provided between the housing and the cover. The guiding structure includes a wedge guiding protrusion provided to the cover, and a wedge guiding groove provided to the housing. The wedge guiding protrusion and the wedge guiding groove are formed to have a gap between a protrusion-side wall surface and a groove-side wall surface disposed opposite to each other in each of two pairs. The holding structure includes a press-fit protrusion being configured to hold the wedge guiding protrusion and the wedge guiding groove in a press-fitted state when the housing and the cover are at the connection completed position.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: October 26, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Naokazu Nagasaka, Shoichi Watai, Akihiro Tsuruta, Tohru Kurosawa, Masayuki Yamamoto
  • Patent number: 11121497
    Abstract: A connector includes: a housing; and a cover. The housing includes a lock body that is lockable to a counterpart lock body so that fitting connection with the counterpart housing is not canceled, and a lock cancellation arm that deforms with application of lock cancellation force to a point-of-effort part and cancels a state in which the lock body is lockable to the counterpart lock body. The cover includes a second wall that covers the housing up to the position of the point-of-effort part in the fitting connection direction, an exposure part formed at the wall to expose the point-of-effort part, and a lock cancellation operation body that includes an operation part capable of receiving a press movement operation, blocks the exposure part to an extent that deformation along with the press movement operation is possible, and applies the lock cancellation force to the point-of-effort part through the deformation.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: September 14, 2021
    Assignee: YAZAKI CORPORATION
    Inventors: Naokazu Nagasaka, Shoichi Watai, Akihiro Tsuruta, Masanobu Oishi, Naoki Okamoto, Nobuyuki Sakamoto, Yoshihito Masuko
  • Patent number: 11095063
    Abstract: A terminal metal fitting (10) includes a tubular box portion (11) receiving a counterpart terminal; a lock hole (14) formed through a wall (11a) of the box portion (11) and receiving the lock projection (25); a terminal spring (16) extending from an inner wall surface of the box portion (11) to press and contact to the counterpart terminal; and a supporting point portion (15) formed at a portion around the lock hole (14) to have a cantilevered-shape. The supporting point portion (15) serves as a supporting point (15a) when the terminal spring (16) contacts to the counterpart terminal.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: August 17, 2021
    Assignee: Yazaki Corporation
    Inventors: Shingo Chiba, Naokazu Nagasaka, Dacheng Jin, Atsuhito Saito
  • Patent number: 11088483
    Abstract: A terminal metal fitting includes a tubular box portion receiving a counterpart terminal; a terminal spring extending from an inner wall surface of the box portion to press and contact the counterpart terminal; and a deformation restriction portion restricting deformation of the terminal spring within a preset range when the terminal spring contacts the counterpart terminal. The deformation restriction portion has a chamfered portion to contact the terminal spring.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: August 10, 2021
    Assignee: Yazaki Corporation
    Inventors: Shingo Chiba, Naokazu Nagasaka, Dacheng Jin, Atsuhito Saito
  • Publication number: 20210119370
    Abstract: A connector includes: a housing; and a cover. The housing includes a lock body that is lockable to a counterpart lock body so that fitting connection with the counterpart housing is not canceled, and a lock cancellation arm that deforms with application of lock cancellation force to a point-of-effort part and cancels a state in which the lock body is lockable to the counterpart lock body. The cover includes a second wall that covers the housing up to the position of the point-of-effort part in the fitting connection direction, an exposure part formed at the wall to expose the point-of-effort part, and a lock cancellation operation body that includes an operation part capable of receiving a press movement operation, blocks the exposure part to an extent that deformation along with the press movement operation is possible, and applies the lock cancellation force to the point-of-effort part through the deformation.
    Type: Application
    Filed: October 14, 2020
    Publication date: April 22, 2021
    Inventors: Naokazu Nagasaka, Shoichi Watai, Akihiro Tsuruta, Masanobu Oishi, Naoki Okamoto, Nobuyuki Sakamoto, Yoshihito Masuko
  • Publication number: 20210119378
    Abstract: A connector includes a housing in which a terminal fitting is stored, and a cover. A guiding structure configured to guide the housing and the cover in a connection direction, and a holding structure configured to hold the housing and the cover at a connection completed position are provided between the housing and the cover. The guiding structure includes a wedge guiding protrusion provided to the cover, and a wedge guiding groove provided to the housing. The wedge guiding protrusion and the wedge guiding groove are formed to have a gap between a protrusion-side wall surface and a groove-side wall surface disposed opposite to each other in each of two pairs. The holding structure includes a press-fit protrusion being configured to hold the wedge guiding protrusion and the wedge guiding groove in a press-fitted state when the housing and the cover are at the connection completed position.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 22, 2021
    Inventors: Naokazu Nagasaka, Shoichi Watai, Akihiro Tsuruta, Tohru Kurosawa, Masayuki Yamamoto
  • Publication number: 20210119359
    Abstract: A connector includes a terminal clasp, a flexible flat conductive component, a housing in which an electrical connection part of the terminal clasp protrudes out of an opening of a storage room, and a cover that covers the electrical connection part from outside together with at least part of the housing. The flexible flat conductive component includes an electrical connection region in which the electrical connection part is connected with a conductor, a peripheral region enclosing the electrical connection region, an extension region extending out of the housing and the cover connected with each other, and at least two fitting holes provided on the extension region side in the peripheral region.
    Type: Application
    Filed: October 14, 2020
    Publication date: April 22, 2021
    Inventors: Naokazu Nagasaka, Shoichi Watai
  • Patent number: 10862237
    Abstract: In a terminal accommodating chamber provided in a housing of a connector, a terminal to which an electric wire is connected is accommodated. The terminal is held by the engagement between a locking face of a lance molded in a terminal accommodating chamber and a locking target face provided in a box portion of the terminal. The locking target face is provided in a front ceiling plate molded by notching a ceiling plate of the box portion in a width direction to reach a facing plate outer face. The locking face and the locking target face are engaged with each other within a range wider than a facing plate inner face width of the facing plate.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: December 8, 2020
    Assignee: YAZAKI CORPORATION
    Inventors: Dacheng Jin, Naokazu Nagasaka, Atsuhito Saito, Shingo Chiba
  • Patent number: 10840623
    Abstract: A board-mounting connector includes a cylindrical terminal and a housing holding the cylindrical terminal. The cylindrical terminal includes a cylindrical portion in contact with a mating terminal, a contact portion extending in a direction intersecting a fitting direction so as to be connected to a circuit board, and an intermediate portion supported by the housing between the cylindrical portion and the contact portion. The cylindrical portion includes a slit defined, by bending a plate-shaped conductor into a cylindrical shape and abutting one edge portion thereof against another edge portion thereof, between the one edge portion and the other edge portion. Further, the slit is formed such that a slit tip end portion located on a mating terminal side of the cylindrical portion and a slit base end portion located on an intermediate portion side thereof are located at offset positions in a peripheral direction of the cylindrical portion.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: November 17, 2020
    Assignee: Yazaki Corporation
    Inventors: Naokazu Nagasaka, Shin Nemoto, Koji Miyawaki, Takashi Matsunaga
  • Patent number: 10826221
    Abstract: A connector includes a terminal including an electric contact portion having a lock end edge at a rear end thereof in an insertion direction and a wire connection portion having a core wire caulked portion; a housing having an insertion opening on a rear end surface thereof and a terminal accommodation chamber to accommodate the terminal inserted from the insertion opening; a flexible lock piece integrally formed with the housing and having a lock surface locking the lock end edge of the terminal inserted into the terminal accommodation chamber; an inclined surface formed on the flexible lock piece, pressed by the terminal during insertion, and moving the lock surface in an unlocking direction; and a recessed clearance portion formed on the inclined surface and having a bottom surface located farther from the core wire caulked portion of the insertion-completed terminal and the vicinity thereof than the inclined surface.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: November 3, 2020
    Assignee: YAZAKI CORPORATION
    Inventors: Shingo Chiba, Naokazu Nagasaka, Dacheng Jin, Atsuhito Saito
  • Patent number: 10622748
    Abstract: A terminal includes a box, the box of the terminal connected to an electric wire includes a ceiling plate and an inner plate. The ceiling plate includes a front ceiling plate and a rear ceiling plate formed by a notch. The rear ceiling plate includes a projection part engagement surface provided by the forming of the notch. The inner plate includes a projection part. In a state where the ceiling plate and the inner plate are superimposed, the projection part and the projection part engagement surface are engaged with each other.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: April 14, 2020
    Assignee: YAZAKI CORPORATION
    Inventors: Dacheng Jin, Naokazu Nagasaka, Atsuhito Saito, Shingo Chiba
  • Publication number: 20200083624
    Abstract: A board-mounting connector includes a cylindrical terminal and a housing holding the cylindrical terminal. The cylindrical terminal includes a cylindrical portion in contact with a mating terminal, a contact portion extending in a direction intersecting a fitting direction so as to be connected to a circuit board, and an intermediate portion supported by the housing between the cylindrical portion and the contact portion. The cylindrical portion includes a slit defined, by bending a plate-shaped conductor into a cylindrical shape and abutting one edge portion thereof against another edge portion thereof, between the one edge portion and the other edge portion. Further, the slit is formed such that a slit tip end portion located on a mating terminal side of the cylindrical portion and a slit base end portion located on an intermediate portion side thereof are located at offset positions in a peripheral direction of the cylindrical portion.
    Type: Application
    Filed: August 16, 2019
    Publication date: March 12, 2020
    Applicant: Yazaki Corporation
    Inventors: Naokazu Nagasaka, Shin Nemoto, Koji Miyawaki, Takashi Matsunaga
  • Publication number: 20200028294
    Abstract: A terminal is provided with a box portion having four wall portions formed by bending a single plate, and a bending spring portion arranged in the box portion. A mating terminal is inserted into the box portion in a state in which the bending spring portion is bent and deformed, and the terminal comes into contact with the mating terminal with a bending restoration force of the bending spring portion applied as a contact load. One of one wall portion located at one end of the bending and the other wall portion adjacent to the one wall portion is provided with a locking hole, and the other is provided with a locking piece which is bent and enters the locking hole by the bending.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 23, 2020
    Applicant: Yazaki Corporation
    Inventors: Yasunari NAGANO, Shingo Chiba, Naokazu Nagasaka, Dacheng Jin, Atsuhito Saito