Patents by Inventor Yasuyuki Goto

Yasuyuki Goto 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: 11919986
    Abstract: The present invention provides an antifouling ability-imparting agent that adheres well to a variety of water treatment membranes such as reverse osmosis membranes and imparts excellent antifouling ability to the water treatment membranes.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: March 5, 2024
    Assignees: Nanyang Technological University, Nippon Shokubai Co., Ltd.
    Inventors: Atsushi Goto, Rong Wang, Miao Tian, Yasuyuki Miyoshi, Hirotaka Mizoguchi
  • Publication number: 20240074122
    Abstract: A power semiconductor device includes a power module unit and a heat sink. An uneven portion is formed in a module base in the power module unit. The uneven portion includes a depression portion and a buffer depression portion. An uneven portion is formed in a heat sink base unit in the heat sink. The uneven portion and the uneven portion are fitted together by crimping so that the module base of the power module unit and a heat dissipation spreader of the heat sink are integrated. The buffer depression portion is left as a space.
    Type: Application
    Filed: January 14, 2022
    Publication date: February 29, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yasuyuki SANDA, Masaki GOTO, Hayato TERADA, Hodaka ROKUBUICHI, Haruna TADA
  • Patent number: 10787732
    Abstract: Through the present invention, a thin film containing an FePt-based alloy and carbon, the thin film being capable of being used as a magnetic recording medium, is enabled to be formed using one target, and amount of particles is enabled to be reduced. An FePt—C-based sputtering target containing Fe, Pt, and C, wherein the FePt—C-based sputtering target has a structure in which a C phase substantially being C is dispersed in an FePt-based alloy phase containing 33 mol % or more and 60 mol % or less of Pt with the balance substantially being Fe, an average value of the size indices a of the C phase is 4.0 ?m or more and 9.0 ?m or less, and an average value of the nonspherical indices b of the C phase is 3.0 or more.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: September 29, 2020
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Yasuyuki Goto, Takamichi Yamamoto, Masahiro Nishiura, Ryousuke Kushibiki
  • Publication number: 20190292650
    Abstract: Through the present invention, a thin film containing an FePt-based alloy and carbon, the thin film being capable of being used as a magnetic recording medium, is enabled to be formed using one target, and amount of particles is enabled to be reduced. An FePt—C-based sputtering target containing Fe, Pt, and C, wherein the FePt—C-based sputtering target has a structure in which a C phase substantially being C is dispersed in an FePt-based alloy phase containing 33 mol % or more and 60 mol % or less of Pt with the balance substantially being Fe, an average value of the size indices a of the C phase is 4.0 ?m or more and 9.0 ?m or less, and an average value of the nonspherical indices b of the C phase is 3.0 or more.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 26, 2019
    Inventors: Yasuyuki GOTO, Takamichi YAMAMOTO, Masahiro NISHIURA, Ryousuke KUSHIBIKI
  • Patent number: 10186404
    Abstract: An FePt—C-based sputtering target containing Fe, Pt, and C, wherein the FePt—C-based sputtering target has a structure in which primary particles of C that contain unavoidable impurities are dispersed in an FePt-based alloy phase containing 33 at % or more and 60 at % or less of Pt with the balance being Fe and unavoidable impurities, the primary particles of C being dispersed so as not to be in contact with each other.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: January 22, 2019
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Yasuyuki Goto, Takamichi Yamamoto, Masahiro Nishiura, Ryousuke Kushibiki
  • Patent number: 9928996
    Abstract: A process for producing a magnetron sputtering target includes: mixing and dispersing an oxide powder and a magnetic metal powder, the magnetic metal powder containing a ferromagnetic metal element, to obtain a magnetic powder mixture; mixing and dispersing an oxide powder and each of a plurality of non-magnetic metal powders, the plurality of non-magnetic metal powders containing the ferromagnetic metal element, the plurality of non-magnetic metal powders containing a different constituent element from each other or containing constituent elements at different ratios from each other, to obtain a plurality of non-magnetic powder mixtures; and mixing and dispersing the magnetic powder mixture and the plurality of non-magnetic powder mixtures to obtain a powder mixture for pressure sintering.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: March 27, 2018
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Takanobu Miyashita, Yasuyuki Goto
  • Patent number: 9617477
    Abstract: A compound represented by formula (1), a liquid crystal composition, a liquid crystal display device are described. In formula (1), for example, the ring A1 and the ring A4 are phenylene or cyclohexylene; Z1, Z2, Z3 and Z4 are a single bond or alkylene having 1 to 6 carbons; L1 is a single bond; s and t are 0; and P1, P2, P3 and P4 are a polymerizable group.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: April 11, 2017
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yasuyuki Goto, Maiko Matsukuma, Junichi Yamashita
  • Patent number: 9502224
    Abstract: Provided is a magnetron sputtering target having a ferromagnetic metal element. This magnetron sputtering target includes: a magnetic phase containing the ferromagnetic metal element; a plurality of non-magnetic phases that each contain the ferromagnetic metal element and that are different in constituent elements or a content ratio of constituent elements; and an oxide phase. At least one of the plurality of non-magnetic phases is more finely interdispersed with the oxide phase than the magnetic phase.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: November 22, 2016
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Takanobu Miyashita, Yasuyuki Goto
  • Publication number: 20160276143
    Abstract: The invention provides a new sputtering target that provides a large leakage of magnetic flux, is free of the risk of a change of composition during deposition, and enables deposition under a stable voltage. A sputtering target is that having (1) a Co—Pt magnetic phase including Co and Pt, wherein Pt is included at a proportion of 4 atomic % to 10 atomic %; (2) a Co—Cr—Pt nonmagnetic phase including Co, Cr and Pt, wherein Co and Cr are included at proportions of 30 atomic % or more of Cr and 70 atomic % or less of Co; and (3) an oxide phase including finely dispersed metal oxides.
    Type: Application
    Filed: October 28, 2014
    Publication date: September 22, 2016
    Inventors: Yasuyuki GOTO, Yusuke KOBAYASHI, Yasunobu WATANABE
  • Patent number: 9435024
    Abstract: A target for magnetron sputtering, comprising metal Co, metal Cr, and an oxide with an atomic ratio of the metal Cr to the total of the metal Co and the metal Cr being less than 25 at %, wherein the target comprises: a non-magnetic metal phase containing metal Co and metal Cr with an atomic ratio of the metal Cr to the total of the metal Co and the metal Cr being 25 at % or more and with an atomic ratio of the metal Co to the total of the metal Co and the other metals being more than 0 at % and 45 at % or less; and a magnetic metal phase containing metal Co, wherein a volume ratio of the oxide to the non-magnetic metal phase is more than 0 and 1.2 or less, and wherein the non-magnetic metal phase and the oxide are mutually dispersed.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: September 6, 2016
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Yasuyuki Goto, Yasunobu Watanabe, Yusuke Kobayashi
  • Patent number: 9406910
    Abstract: An organic electroluminescent element comprising an anode, a cathode and a plurality of organic compound layers sandwiched between the anode and cathode, the organic compound layers including: a hole-transporting layer made of an organic compound insoluble in alcohols; and an electron-transporting layer formed on the hole-transporting layer by a wet method, the electron-transporting layer being made of a phosphorus-containing organic compound soluble in the alcohols.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: August 2, 2016
    Assignees: Daiden Co., Ltd, Kyushu Electric Power Co., Inc.
    Inventors: Yasuyuki Goto, Mitsuharu Noto, Tsuyoshi Hayashida, Masanao Era
  • Patent number: 9358612
    Abstract: An FePt-based sputtering target contains Fe, Pt, and a metal oxide, and further contains one or more kinds of metal elements other than Fe and Pt, wherein the FePt-based sputtering target has a structure in which an FePt-based alloy phase and a metal oxide phase containing unavoidable impurities are mutually dispersed, the FePt-based alloy phase containing Pt in an amount of 40 at % or more and less than 60 at % and the one or more kinds of metal elements in an amount of more than 0 at % and 20 at % or less with the balance being Fe and unavoidable impurities and with the total amount of Pt and the one or more kinds of metal elements being 60 at % or less, and wherein the metal oxide is contained in an amount of 20 vol % or more and 40 vol % or less based on the total amount of the target.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: June 7, 2016
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Takanobu Miyashita, Yasuyuki Goto, Takamichi Yamamoto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura
  • Patent number: 9314845
    Abstract: A process for producing an FePt-based sputtering target includes adding C powder containing unavoidable impurities and metal oxide powder containing unavoidable impurities to FePt-based alloy powder containing Pt in an amount of 40 at % or more and 60 at % or less with the balance being Fe and unavoidable impurities so that the C powder and the metal oxide powder are contained to satisfy: 0<??20; 10??<40; and 20??+??40, where ? and ? represent contents of the C powder and the metal oxide powder by vol %, respectively, based on a total amount of the FePt-based alloy powder, the C powder, and the metal oxide powder, followed by mixing the FePt-based alloy powder, the C powder, and the metal oxide powder to produce a powder mixture.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: April 19, 2016
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Takanobu Miyashita, Yasuyuki Goto, Takamichi Yamamoto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura
  • Patent number: 9314846
    Abstract: A process for producing an FePt-based sputtering target includes adding metal oxide powder containing unavoidable impurities to FePt-based alloy powder containing Pt in an amount of 40 at % or more and less than 60 at % and one or more kinds of metal elements other than Fe and Pt in an amount of more than 0 at % and 20 at % or less with the balance being Fe and unavoidable impurities and with a total amount of Pt and the one or more kinds of metal elements being 60 at % or less so that the metal oxide powder accounts for 20 vol % or more and 40 vol % or less of a total amount of the FePt-based alloy powder and the metal oxide powder, followed by mixing the FePt-based alloy powder and the metal oxide powder to produce a powder mixture.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: April 19, 2016
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Takanobu Miyashita, Yasuyuki Goto, Takamichi Yamamoto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura
  • Publication number: 20160013033
    Abstract: An FePt—C-based sputtering target containing Fe, Pt, and C, wherein the FePt—C-based sputtering target has a structure in which primary particles of C that contain unavoidable impurities are dispersed in an FePt-based alloy phase containing 33 at % or more and 60 at % or less of Pt with the balance being Fe and unavoidable impurities, the primary particles of C being dispersed so as not to be in contact with each other.
    Type: Application
    Filed: January 31, 2014
    Publication date: January 14, 2016
    Inventors: Yasuyuki GOTO, Takamichi YAMAMOTO, Masahiro NISHIURA, Ryousuke KUSHIBIKI
  • Patent number: 9228255
    Abstract: An FePt—C-based sputtering target contains Fe, Pt, and C and has a structure in which an FePt-based alloy phase and a C phase containing unavoidable impurities are mutually dispersed, the FePt-based alloy phase containing Pt in an amount of 40 at % or more and 60 at % or less with the balance being Fe and unavoidable impurities. The content of C is 21 at % or more and 70 at % or less based on the total amount of the target.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: January 5, 2016
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Takanobu Miyashita, Yasuyuki Goto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura
  • Publication number: 20150344784
    Abstract: A compound represented by formula (1), a liquid crystal composition, a liquid crystal display device are described. In formula (1), for example, the ring A1 and the ring A4 are phenylene or cyclohexylene; Z1, Z2, Z3 and Z4 are a single bond or alkylene having 1 to 6 carbons; L1 is a single bond; s and t are 0; and P1, P2, P3 and P4 are a polymerizable group.
    Type: Application
    Filed: August 7, 2015
    Publication date: December 3, 2015
    Inventors: YASUYUKI GOTO, MAIKO MATSUKUMA, JUNICHI YAMASHITA
  • Patent number: 9157027
    Abstract: A compound represented by formula (1), a liquid crystal composition, a liquid crystal display device are described. In formula (1), for example, the ring A1 and the ring A4 are phenylene or cyclohexylene; Z1, Z2, Z3 and Z4 are a single bond or alkylene having 1 to 6 carbons; L1 is a single bond; s and t are 0; and P1, P2, P3 and P4 are a polymerizable group.
    Type: Grant
    Filed: December 23, 2012
    Date of Patent: October 13, 2015
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yasuyuki Goto, Maiko Matsukuma, Junichi Yamashita
  • Patent number: 9136475
    Abstract: The present invention is to provide a method of favorably forming an organic EL device with the inverted structure by the wet process. On that account, an organic EL device includes a cathode, an electron injection layer, a light emitting layer, a hole transport layer, a hole injection layer, an anode are formed in this order on a substrate. The electron injection layer is formed by applying ink between banks and drying the ink. The ink is formed by dissolving a polymer compound having an organic phosphine oxide skeleton in an alcohol solvent. The light emitting layer is formed by applying ink between components of the bank and the drying the ink. The ink is formed by dissolving material for light emitting layer such as polyphenylene vinylene (PPV) derivative or polyfluorene derivative in a nonpolar solvent.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: September 15, 2015
    Assignees: JOLED INC., DYDEN CORPORATION
    Inventors: Kenji Okumoto, Gosuke Sakamoto, Masaomi Shibata, Izumi Kakinoki, Masataka Watanabe, Tomoko Matoba, Mitsuharu Noto, Yasuyuki Goto
  • Patent number: 9095901
    Abstract: An FePt-based sputtering target has a structure in which an FePt-based alloy phase, a C phase containing unavoidable impurities, and a metal oxide phase containing unavoidable impurities are mutually dispersed, the FePt-based alloy phase containing Pt in an amount of 40 at % or more and 60 at % or less with the balance being Fe and unavoidable impurities, wherein C is contained in an amount of more than 0 vol % and 20 vol % or less based on the total amount of the target, the metal oxide is contained in an amount of 10 vol % or more and less than 40 vol % based on the total amount of the target, and the total content of C and the metal oxide is 20 vol % or more and 40 vol % or less based on the total amount of the target.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: August 4, 2015
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Takanobu Miyashita, Yasuyuki Goto, Takamichi Yamamoto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura