Patents by Inventor Yuichi Kitagawa

Yuichi Kitagawa 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: 20240074327
    Abstract: According to one embodiment, a magnetic memory device includes: a first interconnect; a second interconnect; a first switching element provided on the first interconnect; a second switching element provided on the second interconnect; a first insulating layer provided surrounding the first switching element; a second insulating layer surrounding the second switching element and not being in contact with the first insulating layer; a first conductor provided on the first switching element and the first insulating layer; a second conductor provided on the second switching element and the second insulating layer; a first magnetoresistive effect element provided on the first conductor; and a second magnetoresistive effect element provided on the second conductor.
    Type: Application
    Filed: June 12, 2023
    Publication date: February 29, 2024
    Applicant: Kioxia Corporation
    Inventors: Taichi IGARASHI, Yuichi ITO, Eiji KITAGAWA, Masayoshi IWAYAMA
  • Publication number: 20240011907
    Abstract: Staining a microplastic in a sample W with phosphor; irradiating the sample with fluorescence excitation light and detecting fluorescent light emitted from the phosphor; specifying a position of the microplastic in the sample by the fluorescent light; irradiating the specified position with Raman excitation light and detecting Raman scattered light, and analyzing the microplastic at the position on a basis of the Raman scattered light.
    Type: Application
    Filed: November 25, 2021
    Publication date: January 11, 2024
    Inventor: Yuichi KITAGAWA
  • Publication number: 20230418674
    Abstract: An information processing apparatus includes: processors to which a plurality of tasks are respectively allocated; a task execution history recording unit that records the task execution time of each of the plurality of tasks as a history; a score calculation unit that calculates a score indicating the degree of resource contention of the processor based on the task execution time; and a processor allocation unit that changes the allocation of the task based on the score.
    Type: Application
    Filed: March 13, 2023
    Publication date: December 28, 2023
    Applicant: Hitachi, Ltd.
    Inventors: Yuichi KITAGAWA, Tomoyuki IIJIMA, Masayuki TAKASE, Kantaro MIYAKE
  • Publication number: 20230089029
    Abstract: Disclosed is a rare earth complex including: one or a plurality of rare earth ions; and a ligand forming a coordinate bond with the rare earth ions. At least a part of the rare earth ions are at least one kind selected from the group consisting of lutetium(III) ions, yttrium(III) ions, and gadolinium(III) ions. The ligand includes a residue obtained by removing one or more hydrogen atoms from a fluorescent condensed polycyclic aromatic compound.
    Type: Application
    Filed: December 23, 2020
    Publication date: March 23, 2023
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Ayu NAITO, Yasuchika HASEGAWA, Koji FUSHIMI
  • Patent number: 11499093
    Abstract: A rare earth complex including a rare earth ion and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: November 15, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi Kitagawa, Fumiya Suzue, Takayuki Nakanishi, Koji Fushimi, Yasuchika Hasegawa
  • Publication number: 20220315613
    Abstract: Disclosed is a rare earth complex having a rare earth ion and a phosphine oxide ligand that is coordinated with the rare earth ion and is represented by the following formula (I): wherein R1, R2, R3, R4, R5, and R6 each independently represent an alkyl group which may have a substituent.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 6, 2022
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Kaori SHIMA, Satoshi WADA, Yasuchika HASEGAWA, Koji FUSHIMI
  • Publication number: 20220089942
    Abstract: A rare earth compound including: one or a plurality of rare earth ions; and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group. At least part of the rare earth ions is a terbium(III) ion. The condensed polycyclic aromatic group is a residue formed by removing a hydrogen atom bonded to a condensed aromatic ring in formula (1) below from a condensed polycyclic aromatic compound represented by the following formula (1). Also disclosed is a luminescent body including the rare earth compound.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 24, 2022
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Fumiya SUZUE, Yasuchika HASEGAWA, Koji FUSHIMI
  • Publication number: 20210269460
    Abstract: Disclosed is a rare-earth complex including a rare-earth ion, and a ligand coordinate-bonded to the rare-earth ion and having a condensed polycyclic aromatic group. The condensed polycyclic aromatic group is a residue formed by removing a hydrogen atom bonded to a condensed aromatic ring from a condensed polycyclic aromatic compound represented by the following Formula (I). In Formula (I), R1 and R2 represent hydrogen atoms or groups which are bonded to each other to form one aromatic ring or a condensed aromatic ring including two or more aromatic rings.
    Type: Application
    Filed: July 4, 2019
    Publication date: September 2, 2021
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Marina KUMAGAI, Yasuchika HASEGAWA, Takayuki NAKANISHI, Koji FUSHIMI
  • Publication number: 20210130378
    Abstract: A phosphine oxide compound represented by the following formula (I) and a rare earth complex containing the same are disclosed: wherein n represents an integer of 3 or more, Ar1 represents an n-valent aromatic group, L represents a divalent linker group, and Ar2 and Ar3 each independently represent a monovalent aromatic groups.
    Type: Application
    Filed: February 21, 2018
    Publication date: May 6, 2021
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yasuchika HASEGAWA, Pedro paulo FERREIRA DA ROSA, Takayuki NAKANISHI, Yuichi KITAGAWA, Koji FUSHIMI
  • Patent number: 10812927
    Abstract: A spatial sound generation device including a storage (106) and a controller (102) and connected to a plurality of speakers (116) is provided. In the spatial sound generation device, referring to information indicating a movable sounding body, the controller varies a transfer characteristic for each time in accordance with movement of the sounding body and applies an inverse filtering to calculate a plurality of input signals for the respective speakers from a sound source signal indicating a sound emitted by the sounding body. The inverse filtering outputs the input signals into the speakers to form a three-dimensional acoustic wave front under boundary surface control in accordance with a transfer characteristic for a space in which the plurality of speakers are arranged.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: October 20, 2020
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Shiro Ise, Yuichi Kitagawa
  • Patent number: 10800368
    Abstract: A pair of first airbags and a pair of second airbags are stowed in opposing regions of side wall portions of a vehicle seat. The first airbags are positioned at a seat front side relative to a shoulder area of a seat occupant in a seat side view. The second airbags are positioned at the seat front side relative to a waist area of the seat occupant in the seat side view. The pair of first airbags and the pair of second airbags are supplied with gas, inflate and expand towards the seat width direction inner sides thereof, and are structured such that each pair of airbags, in the inflated and expanded states thereof, push against one another at a seat width direction middle side of the vehicle seat.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: October 13, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa
  • Patent number: 10759371
    Abstract: A pair of first airbags and a pair of second airbags are stowed in opposing regions of side wall portions of a vehicle seat. The first airbags are positioned at a seat front side relative to a shoulder area of a seat occupant in a seat side view. The second airbags are positioned at the seat front side relative to a waist area of the seat occupant in the seat side view. The pair of first airbags and the pair of second airbags are supplied with gas, inflate and expand towards the seat width direction inner sides thereof, and are structured such that each pair of airbags, in the inflated and expanded states thereof, push against one another at a seat width direction middle side of the vehicle seat.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 1, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa
  • Patent number: 10745614
    Abstract: Disclosed is a rare-earth complex polymer including trivalent rare-earth ions and a phosphine oxide bidentate ligand represented by the formula (1). One phosphine oxide bidentate ligand is coordinated to the two rare-earth ions, and crosslinks the same.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: August 18, 2020
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Takayuki Nakanishi, Yuichi Hirai, Yasuchika Hasegawa, Yuichi Kitagawa, Koji Fushimi
  • Patent number: 10723247
    Abstract: A vehicle seat, which is provided with a collision prediction sensor and with a seat cushion having a seat cushion top face and a seat cushion frame, includes: a pelvis movement suppression member disposed along a seat width direction inside a front portion of the seat cushion; a vertical movement-enabling unit supporting the pelvis movement suppression member at the seat cushion frame and allowing vertical movement of the pelvis movement suppression member to follow vertical movement of the seat cushion top face; and a stopper unit attached to the seat cushion frame and, in a case in which a rapid deceleration of a vehicle is detected or a collision of the vehicle is predicted by the collision prediction sensor, restricting downward movement of the pelvis movement suppression member.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: July 28, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa
  • Patent number: 10723302
    Abstract: A pair of first airbags and a pair of second airbags are stowed in opposing regions of side wall portions of a vehicle seat. The first airbags are positioned at a seat front side relative to a shoulder area of a seat occupant in a seat side view. The second airbags are positioned at the seat front side relative to a waist area of the seat occupant in the seat side view. The pair of first airbags and the pair of second airbags are supplied with gas, inflate and expand towards the seat width direction inner sides thereof, and are structured such that each pair of airbags, in the inflated and expanded states thereof, push against one another at a seat width direction middle side of the vehicle seat.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: July 28, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa
  • Patent number: 10703322
    Abstract: A vehicle side airbag device including: a side airbag that is accommodated in a folded-up state within a side portion, which is at a vehicle transverse direction outer side at a seatback of a vehicle seat, and, at a time of a side collision, the side airbag inflating and expanding between an upper body of a vehicle occupant and a vehicle side portion, and a vehicle transverse direction inner side surface of the side airbag, which faces the vehicle occupant, sinking in toward a vehicle transverse direction outer side; and a cloth body that is disposed at a vehicle occupant side with respect to the inflated and expanded side airbag, and that spans between front and rear both end portions of the side airbag and is stretched between the front and rear both end portions, a gap being formed between the side airbag and the cloth body.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: July 7, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa
  • Patent number: 10682973
    Abstract: A vehicle knee airbag device includes a protruding profile section configuring an instrument panel, a position of the protruding profile section being configured to be further toward a vehicle upper side than knees of a seated occupant; an upright wall section provided adjacent to a vehicle lower side of a lower wall of the protruding profile section; and a knee airbag module including a knee airbag. The knee airbag includes an occupant-side base cloth portion disposed on an occupant-facing side and a non-occupant-side base cloth portion disposed on a non-occupant-facing side of the knee airbag in an inflated and deployed state, the non-occupant-side base cloth portion being disposed adjacent to the upright wall section in the inflated and deployed state of the knee airbag.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: June 16, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa
  • Patent number: 10654439
    Abstract: An airbag device for a passenger seat having an inflator and an airbag, wherein: the airbag includes a first structural portion that structures a left-right direction intermediate portion of the airbag and at which is formed a first surface, and second structural portions that are formed in continuation with both left and right sides of the first structural portion and at which are formed a pair of respective second surfaces that is to bulge further toward the front passenger seat side than the first surface and move apart from one another, and a connecting cloth, which connects regions that become bulging end portion sides of the pair of second surfaces in an inflated and deployed state of the airbag, and which is deployed to cover a range that is reached by the head portion and the chest portion of the passenger in the front passenger seat, is provided.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 19, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa
  • Publication number: 20200063030
    Abstract: A rare earth complex including a rare earth ion and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group.
    Type: Application
    Filed: February 22, 2018
    Publication date: February 27, 2020
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Fumiya SUZUE, Takayuki NAKANISHI, Koji FUSHIMI, Yasuchika HASEGAWA
  • Patent number: 10532669
    Abstract: There is provided a vehicle seat that includes: a waist movement suppressing member that is disposed at a seat front side and a seat upper side of a seat cushion, and that extends in a seat width direction; movable members that support both end portions of the waist movement suppressing member movably in a seat vertical direction; urging members that urge the movable members toward a seat upper side; raising mechanisms that, at a time of sudden braking or at a time a collision is predicted, move the waist movement suppressing member toward the seat upper side; and stoppers that limit movement, toward a seat lower side, of the waist movement suppressing member that has been moved toward the seat upper side by the raising mechanisms.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: January 14, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yuichi Kitagawa