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).

  • Patent number: 8928055
    Abstract: According to one embodiment, a magnetic memory element includes a stacked body and a conductive shield. The stacked body includes first and second stacked units. The first stacked unit includes first and second ferromagnetic layers and a first nonmagnetic layer. The first ferromagnetic layer has a fixed magnetization in a first direction. A magnetization direction of the second ferromagnetic layer is variable in a second direction. The first nonmagnetic layer is provided between the first and second ferromagnetic layers. The second stacked unit includes a third ferromagnetic layer stacked with the first stacked unit in a stacking direction of the first stacked unit. A magnetization direction of the third ferromagnetic layer is variable in a third direction. The conductive shield is opposed to at least a part of a side surface of the second stacked unit. An electric potential of the conductive shield is controllable.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: January 6, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Daisuke Saida, Minoru Amano, Junichi Ito
  • Publication number: 20140356771
    Abstract: There is provided an actinic ray-sensitive or radiation-sensitive resin composition, having: (A) a resin having a repeating unit represented by formula (I); (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation; and (C) a resin having at least one repeating unit (x) out of a repeating unit represented by formula (II) and a repeating unit represented by formula (III) and containing substantially neither fluorine atom nor silicon atom, wherein the content of the repeating unit (x) is 90% or more by mole based on all repeating units in the resin (C).
    Type: Application
    Filed: July 30, 2014
    Publication date: December 4, 2014
    Inventors: Shuhei YAMAGUCHI, Hidenori TAKAHASHI, Junichi ITO, Kei YAMAMOTO
  • Publication number: 20140349225
    Abstract: There is provided a pattern forming method, including: (a) forming a film by an actinic ray-sensitive or radiation-sensitive resin composition containing: (A) a resin capable of increasing polarity by an action of an acid to decrease solubility in an organic solvent-containing developer, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, (C) a solvent, and (D) a resin, which contains substantially no fluorine atom and silicon atom and is other than the resin (A), (b) exposing the film; and (c) performing development using the organic solvent-containing developer to form a negative type pattern, wherein a receding contact angle of water on the film formed by (a) is 70° or more.
    Type: Application
    Filed: August 11, 2014
    Publication date: November 27, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Kei YAMAMOTO, Hidenori TAKAHASHI, Shuhei YAMAGUCHI, Junichi ITO
  • Patent number: 8879307
    Abstract: A magnetoresistive device of an embodiment includes: first and second devices each including, a first magnetic layer having a changeable magnetization perpendicular to a film plane, a second magnetic layer having a fixed and perpendicular magnetization, and a nonmagnetic layer interposed between the first and second magnetic layers, the first and second devices being disposed in parallel on a first face of an interconnect layer; and a TMR device including a third magnetic layer having perpendicular magnetic anisotropy and having a changeable magnetization, a fourth magnetic layer having a fixed magnetization parallel to a film plane, and a tunnel barrier layer interposed between the third and fourth magnetic layers, the TMR device being disposed on a second face of the interconnect layer, and the third magnetic layer being magnetostatically coupled to the first magnetic layers of the first and second devices.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: November 4, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Eiji Kitagawa, Naoharu Shimomura, Hiroaki Yoda, Junichi Ito, Minoru Amano, Chikayoshi Kamata, Keiko Abe
  • Patent number: 8878317
    Abstract: A magnetoresistive element according to an embodiment includes: a first to third ferromagnetic layers, and a first nonmagnetic layer, the first and second ferromagnetic layers each having an axis of easy magnetization in a direction perpendicular to a film plane, the third ferromagnetic layer including a plurality of ferromagnetic oscillators generating rotating magnetic fields of different oscillation frequencies from one another. Spin-polarized electrons are injected into the first ferromagnetic layer and induce precession movements in the plurality of ferromagnetic oscillators of the third ferromagnetic layer by flowing a current between the first and third ferromagnetic layers, the rotating magnetic fields are generated by the precession movements and are applied to the first ferromagnetic layer, and at least one of the rotating magnetic fields assists a magnetization switching in the first ferromagnetic layer.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: November 4, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tadaomi Daibou, Minoru Amano, Daisuke Saida, Junichi Ito, Yuichi Ohsawa, Chikayoshi Kamata, Saori Kashiwada, Hiroaki Yoda
  • Publication number: 20140308605
    Abstract: There is provided a pattern forming method comprising (i) a step of forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition containing (A) a resin capable of increasing the polarity by the action of an acid to decrease the solubility for an organic solvent-containing developer, (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, (C) a solvent, and (D) a resin substantially free from a fluorine atom and a silicon atom and different from the resin (A), (ii) a step of exposing the film, and (iii) a step of performing development by using an organic solvent-containing developer to form a negative pattern.
    Type: Application
    Filed: June 26, 2014
    Publication date: October 16, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Junichi ITO, Hidenori TAKAHASHI, Shuhei YAMAGUCHI, Kei YAMAMOTO
  • Patent number: 8862016
    Abstract: An image forming apparatus includes an image forming apparatus main body, and a replaceable part detachably attached thereto. The replaceable part is moveable in a first direction to be attached to the image forming apparatus main body and in a second direction to be detached from the image forming apparatus main body. The replaceable part includes a storage portion. The storage portion including a memory for storing information of the replaceable part and/or the image forming apparatus main body, and a first electrically-conductive contact portion electrically connected to the memory. The image forming apparatus main body includes a second electrically-conductive contact portion that electrically contacts the first contact portion, and a supporting portion that supports the second electrically-conductive contact portion. The second electrically-conductive contact portion has a first end portion fixed to the supporting portion and a second end portion which is movable with respect to the supporting portion.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: October 14, 2014
    Assignee: Oki Data Corporation
    Inventors: Yukiyoshi Oda, Atsushi Ohta, Ken Nozawa, Junichi Ito
  • Patent number: 8841139
    Abstract: A method of fabricating a magnetic memory according to an embodiment includes: forming a separation layer on a first substrate; sequentially forming a first ferromagnetic layer, a first nonmagnetic layer, and a second ferromagnetic layer on the separation layer, at least one of the first and the second ferromagnetic layers having a single crystal structure; forming a first conductive bonding layer on the second ferromagnetic layer; forming a second conductive bonding layer on a second substrate, on which a transistor and a wiring are formed, the second conductive bonding layer electrically connecting to the transistor; arranging the first and second substrate so that the first conductive bonding layer and the second conductive bonding layer are opposed to each other, and bonding the first and the second conductive bonding layers to each other; and separating the first substrate from the first ferromagnetic layer by using the separation layer.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: September 23, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Chikayoshi Kamata, Minoru Amano, Tadaomi Daibou, Junichi Ito
  • Publication number: 20140248562
    Abstract: According to one embodiment, there is provided an actinic ray- or radiation-sensitive resin composition including (A) a compound represented by a general formula (1) below that generates an acid when exposed to actinic rays or radiation, and (B) a resin.
    Type: Application
    Filed: May 7, 2014
    Publication date: September 4, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Akinori SHIBUYA, Yoko TOKUGAWA, Tomoki MATSUDA, Junichi ITO, Shohei KATAOKA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA
  • Patent number: 8815478
    Abstract: The invention provides a colored curable composition including a dipyrromethene compound having a structure in which a polymerizable group and a carboxyl group are introduced in the same molecule, a resist liquid, an ink for inkjet printing, a color filter, a method of producing a color filter, a solid-state image sensor, a liquid crystal display, an organic EL display, an image display device and a colorant compound.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: August 26, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Yuki Mizukawa, Yoshiharu Yabuki, Shinichi Kanna, Haruki Inabe, Yushi Kaneko, Akiyoshi Goto
  • Patent number: 8814997
    Abstract: An electroless plating pretreatment agent that can retain stably Pd(II) over a long period of time in an organic solvent, an electroless plating method using the same that is capable of forming an electroless plated film having excellent adhesion, and an electroless plated object. The electroless plating pretreatment agent contains an organic palladium compound and a coordination compound having a functional group with a metal-capturing capability dissolved in an organic solvent, the coordination compound being selected from the group consisting of the imidazole analogs, polyethyleneamines, ethyleneimines and polyethyleneimines.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: August 26, 2014
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Toru Imori, Jun Suzuki, Ryu Murakami, Akihiro Aiba, Junichi Ito
  • Publication number: 20140234759
    Abstract: According to one embodiment, there is provided an actinic ray- or radiation-sensitive resin composition containing (A) a resin containing a repeating unit represented by general formula (1) below and a repeating unit that is decomposed by an action of an acid to generate an alkali-soluble group, and (B) a compound that generates the acid when exposed to actinic rays or radiation, where L represents a bivalent connecting group, R1 represents a hydrogen atom or an alkyl group, and Z represents a cyclic acid anhydride structure.
    Type: Application
    Filed: March 28, 2014
    Publication date: August 21, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Shohei KATAOKA, Akinori SHIBUYA, Junichi ITO, Tomoki MATSUDA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA, Yoko TOKUGAWA
  • Patent number: 8810691
    Abstract: An imaging apparatus includes an imaging unit that captures a subject to generate image data of the subject; a display unit that displays the image; an image separating unit that separates a subject image and a background image from the image displayed; a special effect input unit that receives information related to special effects respectively applied to the subject image and the background image; a special effect image generating unit that generates a special effect image of each of the subject and background images by applying special effects corresponding to information received by the special effect input unit; a storing unit that stores special effect information for assigning an advisability corresponding to a combination of special effects which the special effect image generating unit applies to the subject image and the background image; and a synthetic image generating unit that generates a synthetic image using the generated special effect image.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: August 19, 2014
    Assignee: Olympus Imaging Corp.
    Inventors: Junichi Ito, Osamu Nonaka, Kunio Yamamiya
  • Publication number: 20140212814
    Abstract: Provided is an actinic-ray- or radiation-sensitive resin composition, including any of compounds of general formula (1) below that when exposed to actinic rays or radiation, is decomposed to thereby generate an acid and a resin that when acted on by an acid, is decomposed to thereby increase its solubility in an alkali developer.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Junichi ITO, Akinori SHIBUYA, Tomoki MATSUDA, Yoko TOKUGAWA, Toshiaki FUKUHARA, Naohiro TANGO, Kaoru IWATO, Masahiro YOSHIDOME, Shinichi SUGIYAMA, Shohei KATAOKA
  • Publication number: 20140206106
    Abstract: A magnetic memory according to an embodiment includes: at least one memory cell comprising a magnetoresistive element as a memory element, and first and second electrodes that energize the magnetoresistive element. The magnetoresistive element includes: a first magnetic layer having a variable magnetization direction perpendicular to a film plane; a tunnel barrier layer on the first magnetic layer; and a second magnetic layer on the tunnel barrier layer, and having a fixed magnetization direction perpendicular to the film plane. The first magnetic layer including: a first region; and a second region outside the first region so as to surround the first region, and having a smaller perpendicular magnetic anisotropy energy than that of the first region. The second magnetic layer including: a third region; and a fourth region outside the third region, and having a smaller perpendicular magnetic anisotropy energy than that of the third region.
    Type: Application
    Filed: March 24, 2014
    Publication date: July 24, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigeki Takahashi, Yuichi Ohsawa, Junichi Ito, Chikayoshi Kamata, Saori Kashiwada, Minoru Amano, Hiroaki Yoda
  • Patent number: 8778235
    Abstract: A colorant multimer includes, as a partial structure of a colorant moiety, a dipyrromethene metal complex compound or tautomer thereof obtained from: (i) a dipyrromethene compound represented by the following Formula (M); and (ii) a metal or a metal compound: wherein in Formula (M), R4, R5, R6, R7, R8, R9, and R10 each independently represent a hydrogen atom or a monovalent substituent.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: July 15, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Ito, Masaru Yoshikawa, Yuki Mizukawa, Kenta Ushijima, Shinichi Kanna, Haruki Inabe, Yoshihiko Fujie, Akiyoshi Goto, Yushi Kaneko, Hiroaki Idei
  • Publication number: 20140159177
    Abstract: A magnetoresistive element according to an embodiment includes: a base layer; a first magnetic layer formed on the base layer, and including a first magnetic film having an axis of easy magnetization in a direction perpendicular to a film plane, the first magnetic film including MnxGa100-x (45?x<64 atomic %); a first nonmagnetic layer formed on the first magnetic layer; and a second magnetic layer formed on the first nonmagnetic layer, and including a second magnetic film having an axis of easy magnetization In a direction perpendicular to a film plane, the second magnetic film including MnyGa100-y (45?y<64 atomic %). The first and second magnetic layers include different Mn composition rates from each other, a magnetization direction of the first magnetic layer is changeable by a current flowing between the first magnetic layer and the second magnetic layer via the first nonmagnetic layer.
    Type: Application
    Filed: February 18, 2014
    Publication date: June 12, 2014
    Applicants: WPI-AIMR, Tohoku University, Kabushiki Kaisha Toshiba
    Inventors: Tadaomi DAIBOU, Junichi Ito, Tadashi Kai, Minoru Amano, Hiroaki Yoda, Terunobu Miyazaki, Shigemi Mizukami, Koji Ando, Kay Yakushiji, Shinji Yuasa, Hitoshi Kubota, Akio Fukushima, Taro Nagahama, Takahide Kubota
  • Patent number: 8736057
    Abstract: A substrate having, on a base material, a barrier film for preventing copper diffusion containing one or more metal elements selected from tungsten, molybdenum and niobium, a metal element having a catalytic function in electroless plating such as platinum, gold, silver and palladium, and nitrogen contained in the form of a nitride of the aforementioned one or more metal elements selected from tungsten, molybdenum and niobium. The barrier film for preventing copper diffusion is manufactured by sputtering in a nitrogen atmosphere using a target containing one or more metal elements selected from tungsten, molybdenum and niobium and the aforementioned metal element having a catalytic function in electroless plating.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: May 27, 2014
    Assignee: Nippon Mining & Metals Co., Ltd.
    Inventors: Junichi Ito, Atsushi Yabe, Junnosuke Sekiguchi, Toru Imori
  • Patent number: 8737122
    Abstract: According to one embodiment, a nonvolatile memory device includes a magnetic memory element and a control unit. The magnetic memory element includes a stacked body including first and second stacked units. The first stacked unit includes a first ferromagnetic layer having a magnetization fixed, a second ferromagnetic layer having a magnetization variable and a first nonmagnetic layer provided between the first and second ferromagnetic layers. The second includes a third ferromagnetic layer having a magnetization rorated by a passed current to produce oscillation, a fourth ferromagnetic layer having a magnetization fixed and a second nonmagnetic layer provided between the third and fourth ferromagnetic layers stacked with each other. A frequency of the oscillation changes in accordance with the direction of the magnetization of the second ferromagnetic layer. The control unit includes a reading unit reading out the magnetization of the second ferromagnetic layer.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: May 27, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Daisuke Saida, Minoru Amano, Tazumi Nagasawa, Yuichi Ohsawa, Junichi Ito
  • Patent number: 8728688
    Abstract: A colored curable composition is provided which has good developability, has excellent color purity, can be formed into a thin film, and has a high absorption coefficient. The colored curable composition includes at least one of specific dipyrromethene metal complex compounds and tautomers thereof. Also, a colored curable composition suitable for forming a color filter which is used in a liquid crystal display device or a solid-state imaging device, and a color filter using the colored curable composition and a method of producing the same are provided.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: May 20, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yuki Mizukawa, Ryoji Goto, Junichi Ito, Hideki Takakuwa, Shinichi Kanna