Patents by Inventor Hiroyasu Yamaguchi

Hiroyasu Yamaguchi 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: 20230192931
    Abstract: Provided are a host-group-containing polymerizable monomer usable as a starting material for producing a macromolecular material with a high degree of freedom in material design, and excellent toughness and strength; a macromolecular material produced using the host-group-containing polymerizable monomer; and a method for producing the macromolecular material. The host-group-containing polymerizable monomer according to the present invention is a host-group-containing polymerizable monomer, and the host group is a monovalent group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin derivative. The cyclodextrin derivative has such a structure that the hydrogen atom of at least one hydroxy group of a cyclodextrin is replaced with a group selected from the group consisting of a hydrocarbon group, an acyl group, and —CONHR wherein R represents a methyl group or an ethyl group.
    Type: Application
    Filed: March 1, 2018
    Publication date: June 22, 2023
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Yoshinori Takashima, Suguru Nomimura, Hikaru Aramoto, Ryohei Ikura, Yuichiro Kobayashi, Yukie Nakamitsu
  • Publication number: 20230148440
    Abstract: A binder for an electrochemical device made of a polymer material including a first polymer containing a first constituent unit having a guest group in a side chain; and a second polymer containing a second constituent unit having a host group in a side chain. Also disclosed is an electrode mixture containing the binder, an electrode active material and a dispersion medium; an electrode containing the binder, an electrode active material and a current collector; an electrochemical device including the electrode; and a secondary battery including the electrode.
    Type: Application
    Filed: March 4, 2020
    Publication date: May 11, 2023
    Applicants: OSAKA UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Akira HARADA, Hiroyasu YAMAGUCHI, Yoshinori TAKASHIMA, Kentarou HIRAGA, Shigeaki YAMAZAKI, Fumihiko YAMAGUCHI, Akinari SUGIYAMA
  • Publication number: 20220332859
    Abstract: Provided are a macromolecular material comprising two or more types of polymers, which are less likely to be separated, and having excellent mechanical properties, a method for producing the same, and a macromolecular compatibilizing agent. The macromolecular material according to the present invention comprises a first macromolecular compound having a ring host group, and a second macromolecular compound free of the host group, and the second macromolecular compound penetrates through the ring of the host group in a skewering manner. The method for producing the macromolecular material according to the present invention comprises polymerizing a polymerizable monomer in the presence of the first macromolecular compound. The macromolecular compatibilizing agent according to the present invention comprises a macromolecular compound having a ring host group.
    Type: Application
    Filed: September 4, 2020
    Publication date: October 20, 2022
    Applicant: Osaka University
    Inventors: Yoshinori Takashima, Akira Harada, Hiroyasu Yamaguchi, Motofumi Osaki, Ryohei Ikura, Hiroki Tamura
  • Patent number: 11472903
    Abstract: Provided are a composition for polymerization from which a macromolecular material that contains a host-group-introduced polymer with excellent energy to failure can be produced without using a solvent; a polymer of the composition; and a method for producing the polymer. The composition for polymerization contains a solution containing a first polymerizable compound and a host-group-containing polymerizable compound that is dissolved in the first polymerizable compound, wherein the host group present in the host-group-containing polymerizable compound is a group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin, and wherein the cyclodextrin is at least one cyclodextrin selected from the group consisting of ?-cyclodextrin, ?-cyclodextrin, and ?-cyclodextrin.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: October 18, 2022
    Assignee: Osaka University
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Yoshinori Takashima, Tomoko Tokuhara, Suguru Nomimura, Hikaru Aramoto, Ryohei Ikura, Nanami Okano
  • Publication number: 20220166024
    Abstract: Provided is a binder for an electrochemical device, which can follow the volume change of an electrode structure due to discharge and charge and can improve a life characteristic of the electrochemical device. A binder for an electrochemical device, which is a binder for a secondary battery containing a polymer having at least one cyclic host group in a molecule, wherein the host group is present as a side chain of the polymer, and a main chain of the polymer penetrates through at least a part of the cyclic host groups.
    Type: Application
    Filed: March 4, 2020
    Publication date: May 26, 2022
    Applicants: OSAKA UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Akira HARADA, Hiroyasu YAMAGUCHI, Yoshinori TAKASHIMA, Kentarou HIRAGA, Shigeaki YAMAZAKI, Fumihiko YAMAGUCHI, Akinari SUGIYAMA
  • Publication number: 20220153934
    Abstract: Provided is a macromolecular material that has self-healing properties, excellent stretchability, and a high degree of freedom in the design of stretchability, strength, and hardness, and that can be produced by a simple method; and also provided is a method for producing the same. The macromolecular material of the present invention comprises a polymer having a host group and a guest group. The host group is a monovalent group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin derivative. The polymer is a polymer of a monomer mixture containing a host group-containing polymerizable monomer, a guest group-containing polymerizable monomer, and a third polymerizable monomer, and the third polymerizable monomer contains a (meth)acrylic ester compound. The host group-containing polymerizable monomer and the guest group-containing polymerizable monomer have a property of being dissolved in the third polymerizable monomer.
    Type: Application
    Filed: March 6, 2020
    Publication date: May 19, 2022
    Applicants: Osaka University, Yushiro Chemical Industry Co., Ltd.
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Yoshinori Takashima, Motofumi Osaki, Yasumasa Ohashi, Hiroaki Takahashi, Hidenori Shirakawa
  • Publication number: 20220102728
    Abstract: A binder for an electrochemical device made of a polymer material including a first polymer containing a first constituent unit having a guest group in a side chain; and a second polymer containing a second constituent unit having a host group in a side chain. Also disclosed is an electrode mixture containing the binder, an electrode active material and a dispersion medium; an electrode containing the binder, an electrode active material and a current collector; an electrochemical device including the electrode; and a secondary battery including the electrode.
    Type: Application
    Filed: March 4, 2020
    Publication date: March 31, 2022
    Applicants: OSAKA UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Akira HARADA, Hiroyasu YAMAGUCHI, Yoshinori TAKASHIMA, Kentarou HIRAGA, Shigeaki YAMAZAKI, Fumihiko YAMAGUCHI, Akinari SUGIYAMA
  • Publication number: 20220049058
    Abstract: Provided are a macromolecular material excellent in mechanical strength and a production method therefor. A macromolecular material of the present invention has a structure crosslinked through host-guest interaction, and is obtained by a method including: a step of preparing a mixture of a host-group-containing macromolecular compound swollen or dissolved in a solvent and a guest-group-containing macromolecular compound swollen or dissolved in a solvent; and a step of mechanically kneading the mixture. As another aspect, a macromolecular material of the present invention is obtained by a method including: a step of swelling or dissolving a both host-group- and guest-group-containing macromolecular compound in a solvent; and a step of mechanically kneading the swollen or dissolved macromolecular compound.
    Type: Application
    Filed: December 5, 2019
    Publication date: February 17, 2022
    Applicant: Osaka University
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Yoshinori Takashima, Motofumi Osaki, Junsu Park
  • Patent number: 11198749
    Abstract: An object of the present invention is to provide a macromolecular material that exhibits excellent elongation. The first macromolecular material of the present invention contains the first polymer containing the first structural unit and the second polymer containing the second structural unit. The first structural unit has a guest group in its side chain, and the second structural unit has a host group in its side chain. At least one of the first and the second polymers contains at least one fluorine group. The second macromolecular material of the present invention contains the first structural unit having a guest group in its side chain, the second structural unit having a host group in its side chain, and the third structural unit other than the first and second structural units. At least one of the first, the second, and the third structural units contains at least one fluorine group.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: December 14, 2021
    Assignees: DAIKIN INDUSTRIES, LTD., OSAKA UNIVERSITY
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Yoshinori Takashima, Suguru Nomimura, Hikaru Aramoto, Ryohei Ikura, Masaki Nakahata, Kazuhisa Iwaso, Kentarou Hiraga, Akinari Sugiyama, Fumihiko Yamaguchi, Takashi Nomura
  • Publication number: 20210155731
    Abstract: Provided are a composition for polymerization from which a macromolecular material that contains a host-group-introduced polymer with excellent energy to failure can be produced without using a solvent; a polymer of the composition; and a method for producing the polymer. The composition for polymerization contains a solution containing a first polymerizable compound and a host-group-containing polymerizable compound that is dissolved in the first polymerizable compound, wherein the host group present in the host-group-containing polymerizable compound is a group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin, and wherein the cyclodextrin is at least one cyclodextrin selected from the group consisting of ?-cyclodextrin, ?-cyclodextrin, and ?-cyclodextrin.
    Type: Application
    Filed: May 11, 2018
    Publication date: May 27, 2021
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Yoshinori Takashima, Tomoko Tokuhara, Suguru Nomimura, Hikaru Aramoto, Ryohei Ikura, Nanami Okano
  • Patent number: 10410198
    Abstract: An information processing device (10) includes a commodity detection unit that detects a commodity information symbol, a service detection unit (120) that detects a service information symbol, and an association unit (130) that associates commodity information obtained using a commodity information symbol corresponding to a shorter time period, out of a time period from detection of a commodity information symbol to detection of a service information symbol and a time period from the detection of the service information symbol to detection of a commodity information symbol, with service information obtained using the service information symbol.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: September 10, 2019
    Assignee: NEC CORPORATION
    Inventors: Hiroyasu Yamaguchi, Motoko Miura, Takuro Sakuma
  • Publication number: 20190177455
    Abstract: An object of the present invention is to provide a macromolecular material that exhibits excellent elongation. The first macromolecular material of the present invention contains the first polymer containing the first structural unit and the second polymer containing the second structural unit. The first structural unit has a guest group in its side chain, and the second structural unit has a host group in its side chain. At least one of the first and the second polymers contains at least one fluorine group. The second macromolecular material of the present invention contains the first structural unit having a guest group in its side chain, the second structural unit having a host group in its side chain, and the third structural unit other than the first and second structural units. At least one of the first, the second, and the third structural units contains at least one fluorine group.
    Type: Application
    Filed: August 23, 2017
    Publication date: June 13, 2019
    Applicants: DAIKIN INDUSTRIES, LTD., OSAKA UNIVERSITY
    Inventors: Akira HARADA, Hiroyasu YAMAGUCHI, Yoshinori TAKASHIMA, Suguru NOMIMURA, Hikaru ARAMOTO, Ryohei IKURA, Masaki NAKAHATA, Kazuhisa IWASO, Kentarou HIRAGA, Akinari SUGIYAMA, Fumihiko YAMAGUCHI, Takashi NOMURA
  • Patent number: 10174172
    Abstract: The present invention provides a joined body with no risk of detachment from the joining surface without using an adhesive, and a method for producing the joined body. The present invention also provides a reversible joined body that enables control of joining and dissociation, and a method for producing the reversible joined body. In the joined body, a chemical bond is formed between two or more same or different solid-state materials at their contact interfaces by a chemical reaction.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: January 8, 2019
    Assignee: Osaka University
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Akihito Hashidzume, Yoshinori Takashima, Tomoko Sekine, Yuichiro Kobayashi, Masaki Nakahata
  • Publication number: 20170140361
    Abstract: An information processing device (10) includes a commodity detection unit that detects a commodity information symbol, a service detection unit (120) that detects a service information symbol, and an association unit (130) that associates commodity information obtained using a commodity information symbol corresponding to a shorter time period, out of a time period from detection of a commodity information symbol to detection of a service information symbol and a time period from the detection of the service information symbol to detection of a commodity information symbol, with service information obtained using the service information symbol.
    Type: Application
    Filed: June 29, 2015
    Publication date: May 18, 2017
    Applicant: NEC Corporation
    Inventors: Hiroyasu YAMAGUCHI, Motoko MIURA, Takuro SAKUMA
  • Publication number: 20170140362
    Abstract: An information processing device (10) includes a commodity detection unit (110) that detects a commodity information symbol, a service detection unit (120) that detects a service information symbol, and an association unit (130) that associates with each other commodity information and service information, which are obtained using the detected commodity information symbol and service information symbol in a case where after the commodity information symbol is detected and before a first predetermined time period elapses, the service information symbol is detected, or associates with each other commodity information and service information, which are obtained using the detected commodity information symbol and service information symbol in a case where after the service information symbol is detected and before a second predetermined time period longer than the first predetermined time period elapses, the commodity information symbol is detected.
    Type: Application
    Filed: June 29, 2015
    Publication date: May 18, 2017
    Applicant: NEC Corporation
    Inventors: Hiroyasu YAMAGUCHI, Motoko MIURA, Takuro SAKUMA
  • Patent number: 9644119
    Abstract: The present invention provides a selective adhesion method and a self-assembly method for macroscale materials based on molecular recognition. One or more host bodies formed from a macromolecule having one or more host groups on the side chains, and one or more guest bodies formed from a macromolecule having one or more guest groups on the side chains are vibrated in a solvent to selectively form an assembly.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: May 9, 2017
    Assignee: Osaka University
    Inventors: Akira Harada, Ryosuke Kobayashi, Hiroyasu Yamaguchi, Akihito Hashidzume, Yoshinori Takashima
  • Publication number: 20160272768
    Abstract: The present invention provides a joined body with no risk of detachment from the joining surface without using an adhesive, and a method for producing the joined body. The present invention also provides a reversible joined body that enables control of joining and dissociation, and a method for producing the reversible joined body. In the joined body, a chemical bond is formed between two or more same or different solid-state materials at their contact interfaces by a chemical reaction.
    Type: Application
    Filed: August 27, 2014
    Publication date: September 22, 2016
    Inventors: Akira Harada, Hiroyasu Yamaguchi, Akihito Hashidzume, Yoshinori Takashima, Tomoko Sekine, Yuichiro Kobayashi, Masaki Nakahata
  • Patent number: 9248522
    Abstract: In a friction stir welding apparatus that can control a penetrating position of a probe with respect to a processing target member to an optimum position at a time of friction stir welding by detecting a wear volume and a tip position of the probe, as a drive mechanism moves down a holder having a coefficient of thermal expansion larger than that of the probe and holding the probe, a detector can freely detect a length of a member including the holder and the probe, and a probe detection mechanism can freely detect a tip length, which is the length of the member of only the probe.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: February 2, 2016
    Assignees: F-TECH INC., HONDA MOTOR CO., LTD.
    Inventors: Tomoya Saitou, Hiroyasu Yamaguchi, Yukio Shoji, Mitsuru Sayama, Tsutomu Kobayashi
  • Patent number: 9150762
    Abstract: The present invention provides a selective adhesion method and a self-assembly method for macroscale materials based on molecular recognition. One or more host bodies formed from a macromolecule having one or more host groups on the side chains, and one or more guest bodies formed from a macromolecule having one or more guest groups on the side chains are vibrated in a solvent to selectively form an assembly.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: October 6, 2015
    Assignee: Osaka University
    Inventors: Akira Harada, Ryosuke Kobayashi, Hiroyasu Yamaguchi, Akihito Hashidzume, Yoshinori Takashima
  • Publication number: 20150259579
    Abstract: The present invention provides a selective adhesion method and a self-assembly method for macroscale materials based on molecular recognition. One or more host bodies formed from a macromolecule having one or more host groups on the side chains, and one or more guest bodies formed from a macromolecule having one or more guest groups on the side chains are vibrated in a solvent to selectively form an assembly.
    Type: Application
    Filed: May 11, 2015
    Publication date: September 17, 2015
    Inventors: Akira Harada, Ryosuke Kobayashi, Hiroyasu Yamaguchi, Akihito Hashidzume, Yoshinori Takashima