Patents by Inventor Junichi Ito

Junichi Ito 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: 20220179311
    Abstract: Provided are a curable composition including a colorant, a resin, and a thiol compound, in which a thiol value is 6×10?6 mmol/g to 6×10?4 mmol/g; a curable composition including a colorant, a resin, and a thiol compound, in which a content of the thiol compound is 1 ppm to 99 ppm; a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element and an image display device including the color filter.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Hiroaki IDEI, Yushi KANEKO
  • Patent number: 11355694
    Abstract: According to one embodiment, a magnetic memory device includes a stacked structure 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, and containing magnesium (Mg) and oxygen (O). The nonmagnetic layer further contains an additive element selected from fluorine (F), sulfur (S), hydrogen (H) and lithium (Li).
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: June 7, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Tadaomi Daibou, Yasushi Nakasaki, Tadashi Kai, Hiroki Kawai, Takamitsu Ishihara, Junichi Ito
  • 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: 20220124907
    Abstract: The storage device unit includes: a substrate having a main surface and having a plurality of wiring layers stacked together; and a storage device that has a plate shape having a first surface and is disposed on the substrate, the first surface facing the main surface. The plurality of wiring layers includes a heat-generating layer having a heat-generating circuit.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Inventors: Shigehito MORITA, Mitsuhiro IIZUKA, Junichi ITO, Keiichi OMYO, Toshiya SENOH, Masato YANAI, Naoto NISHIURA
  • Publication number: 20220010049
    Abstract: Provided are a curable composition including, a block copolymer including a block A which has a constitutional unit having an ethylenically unsaturated group in a side chain of a polymer compound, a pigment, and, a photopolymerization initiator, in which a content of a polymerizable compound is 15 mass % or less with respect to a total solid content of the curable composition; a cured product of the curable composition; a color filter including the cured product; and a solid-state imaging element or an image display device including the color filter.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Yutaro FUKAMI, Junichi ITO, Yushi KANEKO, Hiromu KOIZUMI, Kazuya OOTA
  • Publication number: 20220011485
    Abstract: An object of the present invention is to provide a curable composition capable of forming a cured film having excellent linearity of a pattern, and a light-shielding film, a color filter, a solid-state imaging device, and an infrared sensor, each formed using the curable composition. Another object of the present invention is to provide a pattern forming method and a method for manufacturing a color filter, each using the curable composition.
    Type: Application
    Filed: September 15, 2021
    Publication date: January 13, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Junichi Ito, Hideki Takakuwa, Daisuke Hamada, Yushi Kaneko
  • Publication number: 20220013579
    Abstract: According to one embodiment, a magnetic memory device including a stacked structure 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, and containing magnesium (Mg) and oxygen (O). The nonmagnetic layer further contains a first additive element and a second additive element, the first additive element is at least one element selected from sulfur (S), gallium (Ga), aluminum (Al), titanium (Ti), vanadium (V), hydrogen (H), fluorine (F), manganese (Mg), lithium (Li), nitrogen (N) and magnesium (Mg), and the second additive element is lithium (Li).
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Applicant: Kioxia Corporation
    Inventors: Tadaomi DAIBOU, Yasushi NAKASAKI, Tadashi KAI, Hiroki KAWAI, Takamitsu ISHIHARA, Junichi ITO
  • Publication number: 20220006402
    Abstract: A drive unit attached to a mobile entity is disclosed. The drive unit includes a motor, a first detector, and a controller. The first detector detects vehicle speed information regarding a vehicle speed of the mobile entity. The controller performs PWM control for the motor. The controller controls a duty cycle of a PWM signal in accordance with the vehicle speed information detected by the first detector.
    Type: Application
    Filed: June 2, 2021
    Publication date: January 6, 2022
    Inventors: Junichi ITO, Hitoshi KATSURA, Taichi KITAMURA, Chika BABA
  • Publication number: 20210382388
    Abstract: Provided are a curable composition including a pigment and a resin which satisfies at least one or the following requirement 1 or the following requirement 2; a film and a color filter formed from the curable composition; a method for manufacturing a color filter formed from the curable composition; a solid-state imaging element and an image display device including the film or the color filter; and a polymer compound. Requirement 1: the resin includes a constitutional unit having, in the same side chain, an anionic structure, a quaternary ammonium cationic structure which is ionically bonded to the anionic structure, and a radically polymerizable group. Requirement 2: the resin includes a constitutional unit having, in a side chain, a quaternary ammonium cationic structure and a group to which a radically polymerizable group is linked.
    Type: Application
    Filed: August 6, 2021
    Publication date: December 9, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Yutaro FUKAMI, Yushi KANEKO, Kazuya OOTA, Hiromu KOIZUMI
  • Patent number: 11155703
    Abstract: A curable composition contains a resin containing a curable group, a colorant, a polymerization inhibitor, and a polymerization initiator. A manufacturing method of the curable composition includes a colorant dispersing step of mixing together the resin containing a curable group, the colorant, and the polymerization inhibitor and a mixing step of mixing together the colorant dispersion and the polymerization initiator so as to obtain the curable composition. A cured film is obtained by curing the curable composition. A color filter, a solid-state imaging element, and an infrared sensor have the cured film. A manufacturing method of the cured film includes a curable composition layer-forming step, an exposure step, and a development step.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 26, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Michihiro Ogawa, Yutaro Fukami, Junichi Ito, Yushi Kaneko, Hiroaki Idei, Daisuke Hamada, Tatsuo Ishikawa
  • Patent number: 11156754
    Abstract: An object of the present invention is to provide a curable composition capable of forming a cured film having excellent linearity of a pattern, and a light-shielding film, a color filter, a solid-state imaging device, and an infrared sensor, each formed using the curable composition. Another object of the present invention is to provide a pattern forming method and a method for manufacturing a color filter, each using the curable composition.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: October 26, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Hideki Takakuwa, Daisuke Hamada, Yushi Kaneko
  • 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
  • Publication number: 20210108286
    Abstract: A method for recovering lithium from lithium ion battery scrap according to this invention comprises subjecting lithium ion battery scrap to a calcination step, a crushing step, and a sieving step sequentially carried out, wherein the method comprises, between the calcination step and the crushing step, between the crushing step and the sieving step, or after the sieving step, a lithium dissolution step of bringing the lithium ion battery scrap into contact with water and dissolving lithium contained in the lithium ion battery scrap in the water to obtain a lithium-dissolved solution; a lithium concentration step of solvent-extracting lithium ions contained in the lithium-dissolved solution and stripping them to concentrate the lithium ions to obtain a lithium concentrate; and a carbonation step of carbonating the lithium ions in the lithium concentrate to obtain lithium carbonate.
    Type: Application
    Filed: March 28, 2018
    Publication date: April 15, 2021
    Applicant: JX NIPPON MINING & METALS CORPORATION
    Inventors: Junichi ARAKAWA, Yasufumi HAGA, Junichi ITO
  • 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: 10865462
    Abstract: A method for processing lithium ion battery scrap includes a leaching step of leaching lithium ion battery scrap and subjecting the resulting leached solution to solid-liquid separation to obtain a first separated solution; an iron removal step of adding an oxidizing agent to the first separated solution and adjusting a pH of the first separated solution in a range of from 3.0 to 4.0, then performing solid-liquid separation and removing iron in the first separated solution to obtain a second separated solution; and an aluminum removal step of neutralizing the second separated solution to a pH range of from 4.0 to 6.0, then performing solid-liquid separation and removing aluminum in the second separated solution to obtain a third separated solution.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: December 15, 2020
    Assignee: JX NIPPON MINING & METALS CORPORATION
    Inventors: Junichi Ito, Junichi Arakawa, Takuya Yokota, Naoki Higuchi
  • Publication number: 20200369810
    Abstract: Provided are a curable composition including a pigment, a resin having a structural unit represented by Formula 1, and a photopolymerization initiator; as well as a cured product obtained by curing the curable composition, a color filter including the cured product, a method for producing the color filter, and a solid-state imaging element or an image display device, each of which including the color filter. R1 to R3 each independently represent a hydrogen atom or an alkyl group, X1 represents —COO—, —CONR—, or an arylene group, R4 represents a divalent linking group, L1 represents a group represented by Formula 2 or 3, R5 represents an (n+1)-valent linking group, X2 represents an oxygen atom or —NRA-, RA represents a hydrogen atom, an alkyl group, or an aryl group, and n represents an integer of 1 or more.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Junichi ITO, Yutaro Fukami, Yushi Kaneko, Kazuya Ota, Hiromu Koizumi, Michihiro Ogawa, Hiroaki Idei
  • Patent number: 10807879
    Abstract: A method for processing lithium ion battery scrap according to this invention includes a leaching step of leaching lithium ion battery scrap to obtain a leached solution; an aluminum removal step of neutralizing the leached solution to a pH range of from 4.0 to 6.0, then performing solid-liquid separation and removing aluminum in the leached solution to obtain a first separated solution; and an iron removal step of adding an oxidizing agent to the first separated solution and adjusting the pH in a range of from 3.0 to 5.0, then performing solid-liquid separation and removing iron in the first separated solution to obtain a second separated solution.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: October 20, 2020
    Assignee: JX NIPPON MINING & METALS CORPORATION
    Inventors: Junichi Ito, Junichi Arakawa, Takuya Yokota, Naoki Higuchi
  • Publication number: 20200299463
    Abstract: A composition includes a compound represented by Formula (1) and a pigment. In Formula (1), R1 represents an (m+n)-valent linking group, P1 represents a polymer chain which has a polyester repeating unit in a main chain, and of which a weight-average molecular weight is 1000 or more, P2 represents a polymer chain which is different from P1 and has a repeating unit derived from a monomer having an ethylenically unsaturated bonding group in a main chain, m represents a number of 1 to 9, n represents a number of 1 to 9, and m+n satisfies 4 to 18.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yutaro FUKAMI, Yushi KANEKO, Junichi ITO, Kazuya OTA, Hiromu Koizumi