Patents by Inventor Misa Yamamoto

Misa Yamamoto 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: 11851548
    Abstract: A latex composition has a latex of a carboxyl group-containing conjugated diene rubber (A), and a plasticizer (B) having a SP value of 15 (cal/cm3)1/2 or less, wherein the content of a plasticizer (B) is 0.1 to 15 parts by weight based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber (A) included in the latex.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: December 26, 2023
    Assignee: ZEON CORPORATION
    Inventors: Misa Yamamoto, Masaru Kitagawa
  • Patent number: 11236218
    Abstract: A latex composition has a latex of a carboxyl group-containing conjugated diene rubber and a metal compound including a trivalent or higher metal, wherein a content of the metal compound is 0.1 to 1.5 parts by weight, based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: February 1, 2022
    Assignee: ZEON CORPORATION
    Inventors: Naohiro Igari, Misa Yamamoto, Masaru Kitagawa, Shinji Kato
  • Patent number: 11098148
    Abstract: A latex composition is formed by adding an aqueous solution of an aluminum compound to a latex of a carboxyl group-containing synthetic polyisoprene and/or a carboxyl group-containing styrene-isoprene-styrene block copolymer. In the latex composition, the aqueous solution of an aluminum compound preferably has a pH of 5 to 13. In the latex composition, the aqueous solution of an aluminum compound is preferably an aqueous solution of a metal salt of aluminate.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: August 24, 2021
    Assignee: ZEON CORPORATION
    Inventors: Junji Kodemura, Misa Yamamoto
  • Patent number: 11065788
    Abstract: A method for producing a glove includes a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) that does not have an isoprene-derived monomer unit, and a metal compound (B) including a divalent or higher metal, and a step of irradiating the dip-molded layer with radiation.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: July 20, 2021
    Assignee: ZEON CORPORATION
    Inventors: Misa Yamamoto, Masaru Kitagawa
  • Patent number: 11058162
    Abstract: A method for producing a glove, including a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) and a metal compound (B) including a divalent or higher metal, and is substantially free from sulfur and/or a sulfur-containing compound as a cross-linking agent, and a step of irradiating the dip-molded layer with radiation.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: July 13, 2021
    Assignee: ZEON CORPORATION
    Inventors: Masaru Kitagawa, Misa Yamamoto
  • Patent number: 11013281
    Abstract: A method for producing a glove, including a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) and a metal compound (B) including a divalent or higher metal, and is substantially free from sulfur and/or a sulfur-containing compound as a cross-linking agent, and a step of irradiating the dip-molded layer with radiation.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: May 25, 2021
    Assignee: ZEON CORPORATION
    Inventors: Masaru Kitagawa, Misa Yamamoto
  • Patent number: 11014270
    Abstract: A method for producing a glove includes a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) that does not have an isoprene-derived monomer unit, and a metal compound (B) including a divalent or higher metal, and a step of irradiating the dip-molded layer with radiation.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: May 25, 2021
    Assignee: ZEON CORPORATION
    Inventors: Misa Yamamoto, Masaru Kitagawa
  • Patent number: 10899048
    Abstract: A method for producing a glove includes a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) that does not have an isoprene-derived monomer unit, and a metal compound (B) including a divalent or higher metal, and a step of irradiating the dip-molded layer with radiation.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: January 26, 2021
    Assignee: ZEON CORPORATION
    Inventors: Misa Yamamoto, Masaru Kitagawa
  • Patent number: 10897945
    Abstract: A method for producing a glove, including a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) and a metal compound (B) including a divalent or higher metal, and is substantially free from sulfur and/or a sulfur-containing compound as a cross-linking agent, and a step of irradiating the dip-molded layer with radiation.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: January 26, 2021
    Assignee: ZEON CORPORATION
    Inventors: Masaru Kitagawa, Misa Yamamoto
  • Publication number: 20200157314
    Abstract: A latex composition has a latex of a carboxyl group-containing conjugated diene rubber (A), and a plasticizer (B) having a SP value of 15 (cal/cm3)1/2 or less, wherein the content of a plasticizer (B) is 0.1 to 15 parts by weight based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber (A) included in the latex.
    Type: Application
    Filed: February 14, 2018
    Publication date: May 21, 2020
    Applicant: ZEON CORPORATION
    Inventors: Misa YAMAMOTO, Masaru KITAGAWA
  • Publication number: 20190177517
    Abstract: A latex composition has a latex of a carboxyl group-containing conjugated diene rubber and a metal compound including a trivalent or higher metal, wherein a content of the metal compound is 0.1 to 1.5 parts by weight, based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber.
    Type: Application
    Filed: February 24, 2017
    Publication date: June 13, 2019
    Applicant: ZEON CORPORATION
    Inventors: Naohiro IGARI, Misa YAMAMOTO, Masaru KITAGAWA, Shinji KATO
  • Publication number: 20190091898
    Abstract: A method for producing a glove includes a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) that does not have an isoprene-derived monomer unit, and a metal compound (B) including a divalent or higher metal, and a step of irradiating the dip-molded layer with radiation.
    Type: Application
    Filed: February 24, 2017
    Publication date: March 28, 2019
    Applicant: ZEON CORPORATION
    Inventors: Misa YAMAMOTO, Masaru KITAGAWA
  • Publication number: 20190045863
    Abstract: A method for producing a glove, including a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) and a metal compound (B) including a divalent or higher metal, and is substantially free from sulfur and/or a sulfur-containing compound as a cross-linking agent, and a step of irradiating the dip-molded layer with radiation.
    Type: Application
    Filed: February 24, 2017
    Publication date: February 14, 2019
    Applicant: ZEON CORPORATION
    Inventors: Masaru KITAGAWA, Misa YAMAMOTO
  • Publication number: 20190010271
    Abstract: A latex composition is formed by adding an aqueous solution of an aluminum compound to a latex of a carboxyl group-containing synthetic polyisoprene and/or a carboxyl group-containing styrene-isoprene-styrene block copolymer. In the latex composition, the aqueous solution of an aluminum compound preferably has a pH of 5 to 13. In the latex composition, the aqueous solution of an aluminum compound is preferably an aqueous solution of a metal salt of aluminate.
    Type: Application
    Filed: January 23, 2017
    Publication date: January 10, 2019
    Applicant: ZEON CORPORATION
    Inventors: Junji KODEMURA, Misa YAMAMOTO
  • Publication number: 20130117303
    Abstract: A data search device acquires memo data to be used in a search, extracts keywords from the memo data, and then allocates ranks to the keywords. The data search device performs a search for the keywords in multiple databases to identify related data. The databases are ranked similarly to the keywords. When multiple items of related data are identified, the data search device calculates overall ranks based on the ranks of the keywords and the ranks of the databases used in the search of the items of related data, and outputs items of related data having higher ranks.
    Type: Application
    Filed: May 12, 2011
    Publication date: May 9, 2013
    Applicant: NTT DOCOMO, INC.
    Inventors: Akane Morimatsu, Naoki Hashida, Kantaro Suzuki, Misa Yamamoto