Patents by Inventor Michiko Natori

Michiko Natori 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: 20230356294
    Abstract: Provided is a copper paste for forming a wick of a heat pipe, the copper paste containing copper particles, thermally decomposable resin particles, a dispersion medium for dispersing the copper particles and the thermally decomposable resin particles, and a thermally decomposable resin that is soluble in the dispersion medium.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 9, 2023
    Inventors: Hideo NAKAKO, Toshiaki TANAKA, Dai ISHIKAWA, Yoshinori EJIRI, Michiko NATORI
  • Publication number: 20220371087
    Abstract: A copper paste for joining contains metal particles and a dispersion medium, in which the copper paste for joining contains copper particles as the metal particles, and the copper paste for joining contains dihydroterpineol as the dispersion medium. A method for manufacturing a joined body is a method for manufacturing a joined body which includes a first member, a second member, and a joining portion that joins the first member and the second member, the method including: a first step of printing the above-described copper paste for joining to at least one joining surface of the first member and the second member to prepare a laminate having a laminate structure in which the first member, the copper paste for joining, and the second member are laminated in this order; and a second step of sintering the copper paste for joining of the laminate.
    Type: Application
    Filed: September 30, 2019
    Publication date: November 24, 2022
    Inventors: Motohiro NEGISHI, Hideo NAKAKO, Michiko NATORI, Dai ISHIKAWA, Chie SUGAMA, Yuki KAWANA
  • Publication number: 20220230918
    Abstract: An aspect of the invention is a method for producing a substrate having through-silicon vias, the method including a preparation step of preparing a silicon substrate provided with through-holes, in which the through-holes communicate with both principal surfaces; a copper sintered body formation step of forming a copper sintered body having a porous structure such that the copper sintered body fills at least the through-holes; a resin impregnation step of impregnating the copper sintered body with a curable resin composition; and a resin curing step of curing the curable resin composition impregnated into the copper sintered body to form an electric conductor that includes the copper sintered body having pores filled with a resin cured product, and providing through-silicon vias in the through-holes.
    Type: Application
    Filed: April 24, 2019
    Publication date: July 21, 2022
    Inventors: Yoshinori EJIRI, Hideo NAKAKO, Yuki KAWANA, Motoki YONEKURA, Shinichirou SUKATA, Manabu ISHII, Masaru FUJITA, Michiko NATORI, Masahiro KIMURA, Ryo HONNA
  • Patent number: 10201879
    Abstract: A silver paste composition comprising silver particles having a particle diameter of 0.1 ?m to 20 ?m, and a solvent, wherein the above-described solvent comprises a solvent having a boiling point of 300° C. or more.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: February 12, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Dai Ishikawa, Hiroshi Matsumoto, Michiko Natori, Hideo Nakako, Toshiaki Tanaka
  • Patent number: 10174226
    Abstract: An adhesive composition comprising silver particles containing silver atoms and zinc particles containing metallic zinc, wherein the silver atom content is 90 mass % or greater and the zinc atom content is from 0.01 mass % to 0.6 mass %, with respect to the total transition metal atoms in the solid portion of the adhesive composition.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: January 8, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Hideo Nakako, Toshiaki Tanaka, Michiko Natori, Dai Ishikawa, Hiroshi Matsumoto
  • Patent number: 9837572
    Abstract: Provided is a method of manufacturing a solar cell module including: a step (A) of applying a conductive adhesive composition comprising conductive particles having metal, or the like; a step (B) of disposing wiring members so as to face with electrodes of the solar battery cells with the applied conductive adhesive composition interposed therebetween; a step (C) of heating the solar battery cells with the wiring members obtained in the step (B); and a step (D) of laminating sealing resins onto both surfaces of the solar battery cells with the wiring members obtained in the step (C), laminating protection glass onto a light-receiving surface of the solar battery cell and a protection film onto a rear surface of the solar battery cell, and performing heating, in which a melting point of the metal in the conductive particles is or lower than the heating temperature in the step (C).
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: December 5, 2017
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Aya Momozaki, Shigeki Katogi, Hiroki Hayashi, Michiko Natori, Shinichirou Sukata
  • Publication number: 20150217411
    Abstract: A silver paste composition comprising silver particles having a particle diameter of 0.1 ?m to 20 ?m, and a solvent, wherein the above-described solvent comprises a solvent having a boiling point of 300° C. or more.
    Type: Application
    Filed: August 5, 2013
    Publication date: August 6, 2015
    Inventors: Dai Ishikawa, Hiroshi Matsumoto, Michiko Natori, Hideo Nakako, Toshiaki Tanaka
  • Publication number: 20150137347
    Abstract: An adhesive composition comprising silver particles containing silver atoms and zinc particles containing metallic zinc, wherein the silver atom content is 90 mass % or greater and the zinc atom content is from 0.01 mass % to 0.6 mass %, with respect to the total transition metal atoms in the solid portion of the adhesive composition.
    Type: Application
    Filed: June 14, 2013
    Publication date: May 21, 2015
    Inventors: Hideo Nakako, Toshiaki Tanaka, Michiko Natori, Dai Ishikawa, Hiroshi Matsumoto
  • Patent number: 8962986
    Abstract: A conductive adhesive comprising conductive particles including metal, a thermosetting resin, a flux activator, and preferably a rheology control agent is provided. A melting point of the conductive particles is preferably 220° C. or lower. The conductive adhesive is used for electrically connecting and adhering wiring members 4a, 4b to electrodes 3a, 3b connected to a solar battery cell 6.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: February 24, 2015
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Hiroki Hayashi, Shigeki Katogi, Shinichirou Sukata, Michiko Natori, Aya Momozaki
  • Publication number: 20130340813
    Abstract: Provided is a method of manufacturing a solar cell module including: a step (A) of applying a conductive adhesive composition comprising conductive particles having metal, or the like; a step (B) of disposing wiring members so as to face with electrodes of the solar battery cells with the applied conductive adhesive composition interposed therebetween; a step (C) of heating the solar battery cells with the wiring members obtained in the step (B); and a step (D) of laminating sealing resins onto both surfaces of the solar battery cells with the wiring members obtained in the step (C), laminating protection glass onto a light-receiving surface of the solar battery cell and a protection film onto a rear surface of the solar battery cell, and performing heating, in which a melting point of the metal in the conductive particles is or lower than the heating temperature in the step (C).
    Type: Application
    Filed: January 11, 2012
    Publication date: December 26, 2013
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Aya Momozaki, Shigeki Katogi, Hiroki Hayashi, Michiko Natori, Shinichirou Sukata
  • Publication number: 20130302603
    Abstract: The adhesive composition of the present invention includes (A) flake silver particles wherein an oxygen state ratio derived from silver oxide measured by X-ray photoelectron spectroscopy is less than 15% and (B) an alcohol or carboxylic acid having a boiling point of 300° C. or more.
    Type: Application
    Filed: January 24, 2012
    Publication date: November 14, 2013
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Kaoru Konno, Hiroki Hayashi, Michiko Natori
  • Publication number: 20120227786
    Abstract: A conductive adhesive comprising conductive particles including metal, a thermosetting resin, a flux activator, and preferably a rheology control agent is provided. A melting point of the conductive particles is preferably 220° C. or lower. The conductive adhesive is used for electrically connecting and adhering wiring members 4a, 4b to electrodes 3a, 3b connected to a solar battery cell 6.
    Type: Application
    Filed: October 14, 2010
    Publication date: September 13, 2012
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Hiroki Hayashi, Shigeki Katogi, Shinichirou Sukata, Michiko Natori, Aya Momozaki
  • Patent number: 7338751
    Abstract: An object of the present invention is to provide a process for producing a printed wiring board, which is advantageous not only in that the reduction in size and increase in density of the wiring board are achieved and further the steps are simplified, but also in that the connection reliability of mount parts and the yield are improved, and a photosensitive resin composition used in the process.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: March 4, 2008
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Toshihiko Akahori, Ken Sawabe, Michiko Natori, Tomoaki Aoki, Takuya Kajiwara
  • Patent number: 7309559
    Abstract: A resist pattern having a film thickness of 1 to 100 ?m and an aspect ratio (ratio of the line width to the film thickness of the resist pattern) of 3.5 or higher is provided in accordance with the present invention, the resist pattern being useful for increasing the density of a semiconductor package substrate circuit, and use of the resist pattern enabling a low conductor resistance to be maintained in fine wiring. This resist pattern can be produced using, for example, a photosensitive resin composition that includes (A) a binder polymer, (B1) a photopolymerizable compound having three ethylenically unsaturated bonds per molecule, (C) a photopolymerization initiator, and (D) either or both of a compound represented by general formula (I): (in the formula, m is an integer of 2 to 6) or a compound represented by general formula (II).
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: December 18, 2007
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Michiko Natori, Takahiro Hidaka
  • Publication number: 20040086801
    Abstract: An object of the present invention is to provide a process for producing a printed wiring board, which is advantageous not only in that the reduction in size and increase in density of the wiring board are achieved and further the steps are simplified, but also in that the connection reliability of mount parts and the yield are improved, and a photosensitive resin composition used in the process.
    Type: Application
    Filed: September 29, 2003
    Publication date: May 6, 2004
    Inventors: Toshihiko Akahori, Ken Sawabe, Michiko Natori, Tomoaki Aoki, Takuya Kajiwara
  • Publication number: 20040063025
    Abstract: A resist pattern having a film thickness of 1 to 100 &mgr;m and an aspect ratio (ratio of the line width to the film thickness of the resist pattern) of 3.5 or higher is provided in accordance with the present invention, the resist pattern being useful for increasing the density of a semiconductor package substrate circuit, and use of the resist pattern enabling a low conductor resistance to be maintained in fine wiring.
    Type: Application
    Filed: September 29, 2003
    Publication date: April 1, 2004
    Inventors: Michiko Natori, Takahiro Hidaka