Patents by Inventor Naoki Takizawa

Naoki Takizawa 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: 20250000499
    Abstract: A clip device can include a clip including a pair of clip arms, a capsule including a channel, the channel slidably inserted into a proximal end of each clip arm of the pair of clip arms, and a coupler attached onto the proximal end of the capsule. The coupler includes a pair of deployment arms and a pair of retention arms. The pair of retention arms are configured to engage with a corresponding portion of an applicator. Wherein a first length of the coupler in a first direction is longer than a second length of the coupler in a second direction in a cross-section. The cross-section crosses the pair of retention arms and the pair of deployment arms and is perpendicular to a longitudinal direction of the coupler.
    Type: Application
    Filed: June 28, 2024
    Publication date: January 2, 2025
    Inventors: Ryu YORITA, Toshinori TAMURA, Jun SHIRAI, Naoki TAKIZAWA, Shogo Shindo, Kensuke Uesaka, Masaru Yuasa
  • Publication number: 20240407789
    Abstract: Provided is an endoscope clip. The clip includes an arm having a first arm and a second arm, the arm configured to be transitioned between a first configuration in which the first arm and the second arm are separated from each other by a first amount and a second configuration in which the first arm and the second arm are separated from each other by a second amount larger than the first amount. The clip includes a slider to operate the arm to be transitioned between the configurations, and a limiter configured to restrict movement of the slider so as to restrict the transition of the arm from one configuration to another of the configurations.
    Type: Application
    Filed: August 22, 2024
    Publication date: December 12, 2024
    Applicant: OLYMPUS CORPORATION
    Inventors: Tomohiro TSUJI, Kensuke UESAKA, Yuya HIDAKA, Naoki FUJIKAWA, Akane YASUKAWA, Naoki TAKIZAWA
  • Patent number: 12089852
    Abstract: Provided is an endoscope clip and an operation method for a clip. The clip includes a clip arm that is configured to be transitioned between a first, second and third configurations. The clip includes a slider to operate the clip arm to be transitioned between the configurations, and a limiter configured to restrict movement of the slider so as to restrict the transition of the clip arm from one configuration to another of the configurations.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: September 17, 2024
    Assignee: OLYMPUS CORPORATION
    Inventors: Tomohiro Tsuji, Kensuke Uesaka, Yuya Hidaka, Naoki Fujikawa, Akane Yasukawa, Naoki Takizawa
  • Publication number: 20240274697
    Abstract: Two resistance elements are each formed so as to overlap a portion of each of a gate pad and a gate wiring in a plan view, and are electrically connected to the gate pad and the gate wiring. A p-type well region is formed so as to overlap a portion of each of the two insulating films, the two resistance elements, the gate pad, the gate wiring, and the emitter electrode in the plan view. The emitter electrode includes a convex portion that protrudes toward a gate pad side in a Y direction in the plan view. The convex portion is located between the two resistance elements in the plan view. The convex portion and the well region are electrically connected via a hole formed in an interlayer insulating film.
    Type: Application
    Filed: February 6, 2024
    Publication date: August 15, 2024
    Inventor: Naoki TAKIZAWA
  • Publication number: 20240206883
    Abstract: A clip device includes a clip, including a plurality of arms having sliding grooves; and an intermediate member inserted into the sliding grooves for connecting the plurality of arms; a pressing tube accommodating a proximal end portion of the clip; a connection member connecting with an operation wire at a proximal end side and including an engaging portion engaging with the intermediate member; and a locking mechanism for lock the plurality of arms when the clip is pulled toward the proximal end side by a predetermined distance by the connection member, wherein the clip includes a contact portion formed on a side surface of the arm to be in contact with the engaging portion from a direction orthogonal to an axial direction of the intermediate portion for preventing a deformation of the engaging portion when the intermediate portion slides along the sliding groove before the plurality of arms are locked.
    Type: Application
    Filed: March 4, 2024
    Publication date: June 27, 2024
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Toshihiro YOSHII, Naoki TAKIZAWA
  • Publication number: 20240197299
    Abstract: An endoscopic treatment may include a sheath extending in a longitudinal direction, a distal end member having insulation and the distal end member provided at a distal end of the sheath and having a through-hole penetrating in the longitudinal direction. The treatment tool may further include an electrode having a first conduit extending in the longitudinal direction and the electrode being configured to advance and retract into the through-hole. The electrode including a rod extending in the longitudinal direction and configured to be arranged in at least a part of the first conduit.
    Type: Application
    Filed: December 13, 2023
    Publication date: June 20, 2024
    Inventors: Yusuke SHIOTA, Chika Miyajima, Junichi Kogiso, Yuya Hidaka, Naoki Takizawa
  • Patent number: 11944321
    Abstract: A clip device includes a clip, including a plurality of arms having sliding grooves; and an intermediate member inserted into the sliding grooves for connecting the plurality of arms; a pressing tube accommodating a proximal end portion of the clip; a connection member connecting with an operation wire at a proximal end side and including an engaging portion engaging with the intermediate member; and a locking mechanism for lock the plurality of arms when the clip is pulled toward the proximal end side by a predetermined distance by the connection member, wherein the clip includes a contact portion formed on a side surface of the arm to be in contact with the engaging portion from a direction orthogonal to an axial direction of the intermediate portion for preventing a deformation of the engaging portion when the intermediate portion slides along the sliding groove before the plurality of arms are locked.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: April 2, 2024
    Assignee: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Toshihiro Yoshii, Naoki Takizawa
  • Patent number: 11937828
    Abstract: A clip device includes a tube and a clip having a first arm portion and a second arm portion, and an engagement mechanism including a stepped connector and a hooking structure, and configured to connect to the clip. The stepped connector includes an engaging region connecting two side regions, a width of the engaging region of the stepped connector is smaller than a width of a first of the two side regions of the stepped connector. The hooking structure includes two lateral surfaces connected by a hook surface, and a surface of the engaging region of the stepped connector engages with the hook surface of the hooking structure and each of the two side regions of the stepped connector are adjacent to respective one of the two lateral surfaces of the hooking structure.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: March 26, 2024
    Assignee: Olympus Medical Systems Corp.
    Inventors: Naoki Takizawa, Motoi Satake
  • Publication number: 20230225742
    Abstract: The present invention provides a clip system that is optimal for suture treatment of living tissue. The clip system includes a clip unit having a first arm and a second arm capable of opening and closing, a wire capable of opening and closing the clip, and a sheath through which the wire can be inserted. The clip unit includes a support portion that swingably supports the first arm and the second arm.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 20, 2023
    Inventors: Masaru Yuasa, Rintaro Haraguchi, Shogo Shindo, Yuki Tanaka, Naoki Takizawa, Mayo Kamagata, Kyosuke Sato, Yasuo Funakoshi, Kensuke Uesaka, Shoichiro Kawayoke
  • Patent number: 11637052
    Abstract: A semiconductor device, including a metal base plate having a front surface on which a disposition area is set apart from a central portion of the metal base plate, and a board placed over the disposition area with a solder therebetween. The solder has two edge portions of which one is closer than the other to the central portion of the metal base plate, said one being thicker than said the other.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: April 25, 2023
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventor: Naoki Takizawa
  • Patent number: 11587879
    Abstract: An electronic device includes a first part, and a circuit plate including a circuit substrate, a plating film made of a plating material and being disposed on a front surface of the substrate. The plating film includes a first part region on which the first part is disposed via a first solder, and a liquid-repellent region extending along a periphery side of the first part region in a surface layer of the plating film, and having a liquid repellency greater than a liquid repellency of the plating film. The liquid-repellent region includes a resist region. The plating film includes a remaining portion between the liquid-repellent region and the front surface of the circuit substrate in a thickness direction of the plating film orthogonal to the front surface. The remaining portion is made of the plating material and is free of the oxidized plating material.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: February 21, 2023
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventor: Naoki Takizawa
  • Publication number: 20230051389
    Abstract: A metal base plate is rectangular in plan view, has a joining region set on a front surface, and has a center line, which is parallel to a pair of short sides that face each other, set in a middle interposed between the pair of short sides. A ceramic circuit board includes a ceramic board that is rectangular in plan view, a circuit pattern that is formed on a front surface of the ceramic board and has a semiconductor chip joined thereto, and a metal plate that is formed on a rear surface of the ceramic board and is joined to the joining region by solder. Here, the solder contains voids and is provided with a stress relieving region at one edge portion that is away from the center line. A density of voids included in the stress relieving region is higher than other regions of the solder.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 16, 2023
    Applicant: FUJI ELECTRIC CO., LTD.
    Inventor: Naoki TAKIZAWA
  • Patent number: 11511351
    Abstract: An additive manufacturing apparatus includes a powder layer forming portion, an energy beam source, and a contact detection sensor including a plate-like probe. The powder layer forming portion is configured to form a powder layer in a predetermined region. The energy beam source is configured to radiate an energy beam to the powder layer formed by the powder layer forming portion to fuse or sinter the powder layer so that a solidified layer is formed. Presence or absence of a projection portion on a surface of the solidified layer is detected by using the contact detection sensor.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: November 29, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Kitani, Naoki Takizawa
  • Publication number: 20220280159
    Abstract: An endoscopic treatment device includes a clip unit having a first arm and a second arm connected with each other; a power transmission member; an applicator connected with the clip unit; an engaging portion provided in one of the proximal end portion or the power transmission member; and an engaged portion provided in the other of the proximal end portion or the power transmission member without the engaging portion, wherein the engaging portion includes a hook portion entering the engaged portion so as to be engageable with the engaged portion; a support portion continuing with the hook portion; and a protrusion portion having a dimension so as to be impossible to enter the engaged portion, and at least one of the hook portion and the support portion is deformed to release the engagement between the engaging portion and the engaged portion.
    Type: Application
    Filed: March 1, 2022
    Publication date: September 8, 2022
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Toshihiro YOSHII, Naoki TAKIZAWA
  • Publication number: 20220233198
    Abstract: A clip device includes a clip, including a plurality of arms having sliding grooves; and an intermediate member inserted into the sliding grooves for connecting the plurality of arms; a pressing tube accommodating a proximal end portion of the clip; a connection member connecting with an operation wire at a proximal end side and including an engaging portion engaging with the intermediate member; and a locking mechanism for lock the plurality of arms when the clip is pulled toward the proximal end side by a predetermined distance by the connection member, wherein the clip includes a contact portion formed on a side surface of the arm to be in contact with the engaging portion from a direction orthogonal to an axial direction of the intermediate portion for preventing a deformation of the engaging portion when the intermediate portion slides along the sliding groove before the plurality of arms are locked.
    Type: Application
    Filed: January 26, 2022
    Publication date: July 28, 2022
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Toshihiro YOSHII, Naoki TAKIZAWA
  • Publication number: 20220233197
    Abstract: A clip device includes a tube and a clip having a first arm portion and a second arm portion, and an engagement mechanism including a stepped connector and a hooking structure, and configured to connect to the clip. The stepped connector includes an engaging region connecting two side regions, a width of the engaging region of the stepped connector is smaller than a width of a first of the two side regions of the stepped connector. The hooking structure includes two lateral surfaces connected by a hook surface, and a surface of the engaging region of the stepped connector engages with the hook surface of the hooking structure and each of the two side regions of the stepped connector are adjacent to respective one of the two lateral surfaces of the hooking structure.
    Type: Application
    Filed: January 14, 2022
    Publication date: July 28, 2022
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Naoki TAKIZAWA, Motoi SATAKE
  • Patent number: 11348852
    Abstract: A semiconductor device includes an insulating circuit substrate including an insulating plate, a first metal layer formed on a top surface of the insulating plate, and a second metal layer formed on a bottom surface of the insulating plate, a heatsink on whose top surface the insulating circuit substrate is disposed; semiconductor elements disposed on the top surface of the first metal layer through a bonding material, and a case that encloses a perimeter of the insulating circuit substrate and the semiconductor elements. The first metal layer includes circuit patterns electrically connected to the semiconductor elements and an annular pattern formed to enclose the perimeter of the circuit patterns with a gap provided with respect to the circuit patterns. The second metal layer is disposed at a spot that surfaces the annular pattern. The housing is affixed to the annular pattern through an adhesive.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: May 31, 2022
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventor: Naoki Takizawa
  • Publication number: 20210322022
    Abstract: A medical device includes a clip having an arm member and a pressing tube configured to receive the arm member; an applicator having an operation wire configured to advance and retract to open and close the arm member and a sheath configured to accommodate the operation wire; and a link configured to engage the operation wire with the clip and transition between an engagement configuration in which the clip and the operation wire is engaged with each other and a release configuration in which the engagement of the clip and the operation wire is released.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 21, 2021
    Applicant: OLYMPUS CORPORATION
    Inventors: Kensuke UESAKA, Shinya ANSAI, Ryu YORITA, Naoki TAKIZAWA
  • Patent number: 11133326
    Abstract: In a semiconductor device including a plurality of memory regions formed of split-gate type MONOS memories, threshold voltages of memory cells are set to different values for each memory region. Memory cells having different threshold voltages are formed by forming a metal film, which is a work function film constituting a memory gate electrode of a memory cell in a data region, and a metal film, which is a work function film constituting a memory gate electrode of a memory cell in a code region, of different materials or different thicknesses.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: September 28, 2021
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Naoki Takizawa, Tomoya Saito
  • Publication number: 20210267602
    Abstract: Provided is an endoscope clip and an operation method for a clip. The clip includes a clip arm that is configured to be transitioned between a first, second and third configurations. The clip includes a slider to operate the clip arm to be transitioned between the configurations, and a limiter configured to restrict movement of the slider so as to restrict the transition of the clip arm from one configuration to another of the configurations.
    Type: Application
    Filed: May 6, 2021
    Publication date: September 2, 2021
    Applicant: OLYMPUS CORPORATION
    Inventors: Tomohiro TSUJI, Kensuke UESAKA, Yuya HIDAKA, Naoki FUJIKAWA, Akane YASUKAWA, Naoki TAKIZAWA