Patents by Inventor Taichi IGARASHI

Taichi IGARASHI 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: 20220250263
    Abstract: In a suspended industrial robot, a base and a swivel section have an internal space into which a cable can be inserted. The base has an insertion opening through which at least the cable can be passed into the internal space from the outside. A first cable holding part that holds the cable is installed on at least one of a first arm and a second arm. The cable passes through the internal space of the base and the swivel section and is routed up to an end effector with a midway portion of the cable being held by the first cable holding part.
    Type: Application
    Filed: June 12, 2020
    Publication date: August 11, 2022
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Tatsuji MINATO, Tomokatsu ISOYAMA, Taichi IGARASHI
  • Patent number: 11400538
    Abstract: Provided is an articulated welding robot that includes an articulated arm in which a plurality of arm parts are linked via a drive shaft. A welding wire is disposed along the articulated arm. In at least one of the arm parts a depression is formed that forms a hollow on the inner side of the arm. At least a portion of the welding wire is accommodated in the depression.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: August 2, 2022
    Assignee: Kobe Steel, Ltd.
    Inventors: Yasuharu Sakurai, Yuki Shika, Motoaki Murakami, Taichi Igarashi, Tatsuji Minato
  • Patent number: 11316097
    Abstract: According to one embodiment, a memory device includes a first wiring extending in a first direction, and a second wiring extending in a second direction that intersects the first direction. A memory cell is between the first wiring and the second wiring and includes a resistive memory element and a switching element that are connected in series between the first wiring and the second wiring. An insulating region surrounds side surfaces of the memory cell. The insulating region includes a first insulating part adjacent to a side surface of the resistive memory element and a second insulating part adjacent to a side surface of the switching element. The second insulating part has a higher thermal conductivity than the first insulating part.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: April 26, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Taichi Igarashi, Tadaomi Daibou, Junichi Ito, Tadashi Kai, Shogo Itai, Toshiyuki Enda
  • Publication number: 20220085278
    Abstract: In general, according to one embodiment, a magnetoresistance memory device includes: a first conductor; a second conductor on the first conductor; a first element on the second conductor; a third conductor on the first element; and a first layer stack on the third conductor. The second conductor is amorphous. The first element includes a silicon oxide introduced with a dopant. The first layer stack includes a first magnetic layer, a second magnetic layer, and a first insulating layer between the first magnetic layer and the second magnetic layer.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 17, 2022
    Applicant: Kioxia Corporation
    Inventor: Taichi IGARASHI
  • Patent number: 11220011
    Abstract: Provided is a multi-jointed welding robot that includes: a rotating part that is rotatably provided on a base that is fixed to an installation surface; and a multi-jointed arm that is coupled to the rotating part via a first driving shaft and has a plurality of arm parts. An opening is formed in the rotating part through which a routing member, which is routed inside the rotating part, is guided from part of the rotating part toward the side opposite the installation surface. A guide member guides the routing member, which has one end fixed to the opening and which is guided through the opening, toward the installation surface from the other end of the routing member while bending the routing member.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: January 11, 2022
    Assignee: Kobe Steel, Ltd.
    Inventors: Yasuharu Sakurai, Yuki Shika, Motoaki Murakami, Taichi Igarashi, Tatsuji Minato
  • Patent number: 11141869
    Abstract: A harness connection structure has a first arm; a second arm which has a base side that is rotatably coupled to the first arm via an arm joint; and a harness that extends from a leading end of the first arm and is guided into an arm interior at the arm joint. The leading end of the first arm has a harness holding part that holds one longitudinal side of the harness. The arm joint has a harness fixing part that fixes the other longitudinal side of the harness inside the arm joint. The harness fixing part is disposed such that the harness is inclined from the longitudinal axis of the second arm toward the leading end of the first arm.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: October 12, 2021
    Assignee: Kobe Steel, Ltd.
    Inventors: Yasuharu Sakurai, Yuki Shika, Motoaki Murakami, Taichi Igarashi, Tatsuji Minato
  • Patent number: 11133456
    Abstract: According to one embodiment, a magnetic storage device includes: a magnetoresistive effect element including a non-magnet, and a stacked structure on the non-magnet, the stacked structure including: a first ferromagnet on the non-magnet; an anti-ferromagnet being exchange-coupled with the first ferromagnet; and a second ferromagnet between the first ferromagnet and the anti-ferromagnet. The stacked structure is configured to: have a first resistance value in response to a first current flowing through the stacked structure in a first direction, and have a second resistance value different from the first resistance value in response to a second current flowing through the stacked structure in a second direction opposite to the first direction.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: September 28, 2021
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Takeshi Iwasaki, Akiyuki Murayama, Tadashi Kai, Tadaomi Daibou, Masaki Endo, Shumpei Omine, Taichi Igarashi, Junichi Ito
  • Publication number: 20210296568
    Abstract: According to one embodiment, a memory device includes a first wiring extending in a first direction, and a second wiring extending in a second direction that intersects the first direction. A memory cell is between the first wiring and the second wiring and includes a resistive memory element and a switching element that are connected in series between the first wiring and the second wiring. An insulating region surrounds side surfaces of the memory cell. The insulating region includes a first insulating part adjacent to a side surface of the resistive memory element and a second insulating part adjacent to a side surface of the switching element. The second insulating part has a higher thermal conductivity than the first insulating part.
    Type: Application
    Filed: August 26, 2020
    Publication date: September 23, 2021
    Inventors: Taichi IGARASHI, Tadaomi DAIBOU, Junichi ITO, Tadashi KAI, Shogo ITAI, Toshiyuki ENDA
  • Patent number: 10978636
    Abstract: According to one embodiment, a storage device includes a magnetoresistive effect element comprising a nonmagnetic layer and a stacked body on the nonmagnetic layer. The stacked body includes a first ferromagnetic layer on the nonmagnetic layer, a second ferromagnetic layer exchange-coupled with the first ferromagnetic layer, and a magnetic layer between the first ferromagnetic layer and the second ferromagnetic layer. The magnetic layer includes a magnetic material and at least one compound selected from among a carbide, a nitride, and a boride.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: April 13, 2021
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Takeshi Iwasaki, Akiyuki Murayama, Tadashi Kai, Tadaomi Daibou, Masaki Endo, Shumpei Omine, Taichi Igarashi, Junichi Ito
  • Publication number: 20210082999
    Abstract: A magnetoresistive memory device according to one embodiment includes: first and second layer stacks, each of which includes: a first ferromagnetic layer having a magnetization directed in a first direction; a non-magnetic first conductive layer above the first ferromagnetic layer, a second ferromagnetic layer provided above the first conductive layer and having a magnetization directed in a second direction different from the first direction, a first insulating layer on an upper surface of the second ferromagnetic layer, and a third ferromagnetic layer above the first insulating layer. The second ferromagnetic layer of the second layer stack is thicker than the second ferromagnetic layer of the first layer stack.
    Type: Application
    Filed: March 12, 2020
    Publication date: March 18, 2021
    Applicant: KIOXIA CORPORATION
    Inventors: Masaru TOKO, Tadaomi DAIBOU, Junichi ITO, Taichi IGARASHI, Tadashi KAI
  • Patent number: 10843334
    Abstract: A mechanical stopper device wherein a fixed body includes a fixing-side stopper, including: a lever that can swing about a supporting shaft provided to the fixed body; and a pair of elastic bodies, attached to the fixed body, on both sides in the lever swinging direction, and which can contact with both side surfaces of the lever. Further, a rotating body includes a stopper pin that can be in contact with both the side surfaces of the lever. The ratio between a distance (a) from a supporting point of the lever to a contact position where the lever and the stopper pin are in contact with each other, and a distance (b) from the supporting point of the lever to a contact position where the lever and the elastic bodies are in contact with each other is 1.05?a/b?2.30, and thickness (D) of the elastic bodies is 20 mm?D?40 mm.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 24, 2020
    Assignee: Kobe Steel, Ltd.
    Inventors: Taichi Igarashi, Yuki Shika, Motoaki Murakami, Yasuharu Sakurai, Tatsuji Minato
  • Publication number: 20200189126
    Abstract: A mechanical stopper device wherein a fixed body includes a fixing-side stopper, including: a lever that can swing about a supporting shaft provided to the fixed body; and a pair of elastic bodies, attached to the fixed body, on both sides in the lever swinging direction, and which can contact with both side surfaces of the lever. Further, a rotating body includes a stopper pin that can be in contact with both the side surfaces of the lever. The ratio between a distance (a) from a supporting point of the lever to a contact position where the lever and the stopper pin are in contact with each other, and a distance (b) from the supporting point of the lever to a contact position where the lever and the elastic bodies are in contact with each other is 1.05?a/b?2.30, and thickness (D) of the elastic bodies is 20 mm?D?40 mm.
    Type: Application
    Filed: September 8, 2017
    Publication date: June 18, 2020
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Taichi IGARASHI, Yuki SHIKA, Motoaki MURAKAMI, Yasuharu SAKURAI, Tatsuji MINATO
  • Publication number: 20200083431
    Abstract: According to one embodiment, a storage device includes a magnetoresistive effect element comprising a nonmagnetic layer and a stacked body on the nonmagnetic layer. The stacked body includes a first ferromagnetic layer on the nonmagnetic layer, a second ferromagnetic layer exchange-coupled with the first ferromagnetic layer, and a magnetic layer between the first ferromagnetic layer and the second ferromagnetic layer. The magnetic layer includes a magnetic material and at least one compound selected from among a carbide, a nitride, and a boride.
    Type: Application
    Filed: March 1, 2019
    Publication date: March 12, 2020
    Inventors: Takeshi IWASAKI, Akiyuki MURAYAMA, Tadashi KAI, Tadaomi DAIBOU, Masaki ENDO, Shumpei OMINE, Taichi IGARASHI, Junichi ITO
  • Publication number: 20200083432
    Abstract: According to one embodiment, a magnetic storage device includes: a magnetoresistive effect element including a non-magnet, and a stacked structure on the non-magnet, the stacked structure including: a first ferromagnet on the non-magnet; an anti-ferromagnet being exchange-coupled with the first ferromagnet; and a second ferromagnet between the first ferromagnet and the anti-ferromagnet. The stacked structure is configured to: have a first resistance value in response to a first current flowing through the stacked structure in a first direction, and have a second resistance value different from the first resistance value in response to a second current flowing through the stacked structure in a second direction opposite to the first direction.
    Type: Application
    Filed: March 13, 2019
    Publication date: March 12, 2020
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Takeshi IWASAKI, Akiyuki MURAYAMA, Tadashi KAI, Tadaomi DAIBOU, Masaki ENDO, Shumpei OMINE, Taichi IGARASHI, Junichi ITO
  • Patent number: 10573805
    Abstract: According to one embodiment, a magnetic memory device includes a conductive underlayer having an amorphous structure and containing at least one first predetermined element selected from molybdenum (Mo), magnesium (Mg), rhenium (Re), tungsten (W), vanadium (V), and manganese (Mn), and a stacked structure provided on the underlayer, and including a first magnetic layer having a variable magnetization direction, a second magnetic layer having a fixed magnetization direction, and a nonmagnetic layer provided between the first magnetic layer and the second magnetic layer.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 25, 2020
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Akiyuki Murayama, Takeshi Iwasaki, Tadashi Kai, Tadaomi Daibou, Masaki Endo, Taichi Igarashi, Junichi Ito
  • Publication number: 20190381596
    Abstract: Provided is a multi-jointed welding robot that includes: a rotating part that is rotatably provided on a base that is fixed to an installation surface; and a multi-jointed arm that is coupled to the rotating part via a first driving shaft and has a plurality of arm parts. An opening is formed in the rotating part through which a routing member, which is routed inside the rotating part, is guided from part of the rotating part toward the side opposite the installation surface. A guide member guides the routing member, which has one end fixed to the opening and which is guided through the opening, toward the installation surface from the other end of the routing member while bending the routing member.
    Type: Application
    Filed: January 25, 2018
    Publication date: December 19, 2019
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuharu SAKURAI, Yuki SHIKA, Motoaki MURAKAMI, Taichi IGARASHI, Tatsuji MlNATO
  • Publication number: 20190337082
    Abstract: An arc-point adjustment rod attachment structure includes: a torch support part that includes a base-end-side attachment part which is fixed to a robot distal-end shaft part of an articulated welding robot, and that supports a welding torch; and an adjustment rod attachment part that is disposed on the welding torch side of the base-end-side attachment part, and that detachably supports the arc-point adjustment rod.
    Type: Application
    Filed: January 25, 2018
    Publication date: November 7, 2019
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuharu SAKURAI, Yuki SHIKA, Motoaki MURAKAMI, Taichi IGARASHI, Tatsuji MlNATO
  • Publication number: 20190329428
    Abstract: A harness connection structure has a first arm; a second arm which has a base side that is rotatably coupled to the first arm via an arm joint; and a harness that extends from a leading end of the first arm and is guided into an arm interior at the arm joint. The leading end of the first arm has a harness holding part that holds one longitudinal side of the harness. The arm joint has a harness fixing part that fixes the other longitudinal side of the harness inside the arm joint. The harness fixing part is disposed such that the harness is inclined from the longitudinal axis of the second arm toward the leading end of the first arm.
    Type: Application
    Filed: January 15, 2018
    Publication date: October 31, 2019
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuharu SAKURAI, Yuki SHIKA, Motoaki MURAKAMI, Taichi IGARASHI, Tatsuji MINATO
  • Publication number: 20190321906
    Abstract: Provided is an articulated welding robot that includes an articulated arm in which a plurality of arm parts are linked via a drive shaft. A welding wire is disposed along the articulated arm. In at least one of the arm parts a depression is formed that forms a hollow on the inner side of the arm. At least a portion of the welding wire is accommodated in the depression.
    Type: Application
    Filed: January 15, 2018
    Publication date: October 24, 2019
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yasuharu SAKURAI, Yuki SHIKA, Motoaki MURAKAMI, Taichi IGARASHI, Tatsuji MINATO
  • Publication number: 20190088862
    Abstract: According to one embodiment, a magnetic memory device includes a conductive underlayer having an amorphous structure and containing at least one first predetermined element selected from molybdenum (Mo), magnesium (Mg), rhenium (Re), tungsten (W), vanadium (V), and manganese (Mn), and a stacked structure provided on the underlayer, and including a first magnetic layer having a variable magnetization direction, a second magnetic layer having a fixed magnetization direction, and a nonmagnetic layer provided between the first magnetic layer and the second magnetic layer.
    Type: Application
    Filed: March 2, 2018
    Publication date: March 21, 2019
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Akiyuki MURAYAMA, Takeshi IWASAKI, Tadashi KAI, Tadaomi DAIBOU, Masaki ENDO, Taichi IGARASHI, Junichi ITO