Patents by Inventor Yuu Sakamoto

Yuu Sakamoto 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: 20230330970
    Abstract: A laminated glass for a side window including a first glass substrate, a second glass substrate, and an interlayer film disposed between the first glass substrate and the second glass substrate, wherein the first glass substrate and the second glass substrate have a total thickness of 5 mm or less, and the first glass substrate is located on a vehicle exterior side and is thicker than the second glass substrate and has a thickness of 2 mm or more.
    Type: Application
    Filed: September 28, 2021
    Publication date: October 19, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Tetuya HAYASHI, Reiko YAMAMURA
  • Patent number: 11732109
    Abstract: A plasticizer composition to be used in a transparent resin for optics, wherein the plasticizer composition includes: a composite aggregated particulate material; and a liquid plasticizer having dispersed therein the composite aggregated particulate material. The composite aggregated particulate material includes an inorganic aggregate material being a granular material formed of aggregates of an inorganic particulate material formed of silica having a specific surface area particle diameter of not less than 0.8 nm and not greater than 80 nm, and an organic coating material formed of an organic matter coating a surface of the inorganic aggregate material. A mass of the organic coating material is not less than 0.8% and not greater than 80% with respect to a sum of a mass of the inorganic aggregate material and a mass of the organic coating material. Both mechanical properties and optical properties are realized by mixing the plasticizer composition.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: August 22, 2023
    Assignees: ADMATECHS CO., LTD., SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuji Oono, Yuu Sakamoto, Tatsuya Iwamoto
  • Patent number: 11648755
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating properties of laminated glass, and making foaming less likely to occur in an end part. The interlayer film for laminated glass according to the present invention includes a first layer, and a lateral covering part that covers at least part of a lateral part of the first layer, and the first layer has a shear elastic modulus at 25° C. of 0.17 MPa or less, and the lateral covering part has a shear elastic modulus at 25° C. of more than 1 MPa.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: May 16, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tatsuya Iwamoto, Yuu Sakamoto, Yuki Ishikawa, Shinji Kawada
  • Publication number: 20220371305
    Abstract: Provided is an interlayer film for laminated glass capable of effectively enhancing the sound insulating property at 6300 Hz while effectively preventing deterioration in sound insulating property at 3150 Hz in laminated glass. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and includes a resin layer containing a resin and a plasticizer. The interlayer film has a resonance frequency X of 550 Hz or more and 740 Hz or less, a loss factor Y in a secondary mode of 0.35 or more, and satisfies a formula: Y>0.0008X?0.142 in a measurement of resonance frequency in a secondary mode in a damping test for laminated glass according to a central exciting method of laminated glass, when the laminated glass is obtained by arranging the interlayer film between two glass plates of 25 mm wide, 300 mm long and 2 mm thick.
    Type: Application
    Filed: July 21, 2022
    Publication date: November 24, 2022
    Inventors: Tatsuya Iwamoto, Yuki Ishikawa, Shinji Kawada, Yuu Sakamoto
  • Publication number: 20220355581
    Abstract: An interlayer film for laminated glass of the present invention is an interlayer film for laminated glass, the interlayer film having a structure of one or two or more layers, and comprising a first layer comprising a thermoplastic resin and a composite silica particle, in which the composite silica particle comprises a silica particle and an organic covering material with which a surface of the silica particle is covered, and a remaining fraction at dissolution in THF after still standing at 230° C. for 6 hours of the first layer is 15% by mass or less.
    Type: Application
    Filed: December 9, 2020
    Publication date: November 10, 2022
    Applicants: SEKISUI CHEMICAL CO., LTD., Admatechs Co., Ltd.
    Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Satoshi MAEDA, Yuji OONO, Kazuma OOSAWA, Takeshi YANAGIHARA, Susumu ABE
  • Publication number: 20220332092
    Abstract: An interlayer film for laminated glass is an interlayer film for laminated glass, the interlayer film having a structure of one or two or more layers, and comprising a first layer comprising a thermoplastic resin and a silica particle, in which the silica particle has an average secondary particle size (d50) of 0.01 ?m or more and 2.2 ?m or less and a maximum particle size peak value of 20 ?m or less.
    Type: Application
    Filed: December 9, 2020
    Publication date: October 20, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Satoshi MAEDA, Reiko YAMAMURA
  • Patent number: 11396162
    Abstract: Provided is an interlayer film for laminated glass capable of effectively enhancing the sound insulating property at 6300 Hz while effectively preventing deterioration in sound insulating property at 3150 Hz in laminated glass. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and includes a resin layer containing a resin and a plasticizer. The interlayer film has a resonance frequency X of 550 Hz or more and 740 Hz or less, a loss factor Y in a secondary mode of 0.35 or more, and satisfies a formula: Y>0.0008X?0.142 in a measurement of resonance frequency in a secondary mode in a damping test for laminated glass according to a central exciting method of laminated glass, when the laminated glass is obtained by arranging the interlayer film between two glass plates of 25 mm wide, 300 mm long and 2 mm thick.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: July 26, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tatsuya Iwamoto, Yuki Ishikawa, Shinji Kawada, Yuu Sakamoto
  • Patent number: 11214043
    Abstract: Provided is an interlayer film for laminated glass capable of effectively enhancing the sound insulating property of laminated glass having the interlayer film, in the interlayer film including a layer prepared with a thermoplastic component other than a polyvinyl acetal resin. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure, and includes a thermoplastic elastomer layer containing a thermoplastic elastomer and a plasticizer, and the thermoplastic elastomer is an aliphatic polyolefin, the thermoplastic elastomer layer has a glass transition temperature in a temperature range of ?10° C. to 10° C., and a maximum value of tan ? in a temperature range of ?10° C. to 10° C. of the thermoplastic elastomer layer is 1.5 or more.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: January 4, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuu Sakamoto, Tatsuya Iwamoto
  • Publication number: 20210316536
    Abstract: Provided is an interlayer film for laminated glass having increased tan ? and excellent sound insulating property in an interlayer film having a low glass transition temperature. An interlayer film for laminated glass according to the present invention includes a resin layer containing a resin component and a plasticizer, and combination of the resin component and the plasticizer in the resin layer is such that when a composition having a glass transition temperature of ?10° C. is obtained by blending only the plasticizer in 100 parts by weight of the resin component, a blending amount of the plasticizer per 100 parts by weight of the resin component in the composition is 60 parts by weight or less, and the interlayer film satisfies the formula tan ?1?1.3, or satisfies the formula: (tan ?0?tan ?1)/(Tg0+10)?0.01.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 14, 2021
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tatsuya IWAMOTO, Yuu SAKAMOTO
  • Publication number: 20210070020
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the rigidity of laminated glass, and lowering the haze value in high temperature environment. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer or two or more-layer structure, the interlayer film includes a first layer containing a thermoplastic resin and fumed silica particles, the fumed silica particles include hydrophobic fumed silica particles, and a content of the fumed silica particles in the first layer is 4 parts by weight or more and 60 parts by weight or less per 100 parts by weight of the thermoplastic resin in the first layer.
    Type: Application
    Filed: April 1, 2019
    Publication date: March 11, 2021
    Inventor: Yuu Sakamoto
  • Publication number: 20200325305
    Abstract: A plasticizer composition to be used in a transparent resin for optics, wherein the plasticizer composition includes: a composite aggregated particulate material; and a liquid plasticizer having dispersed therein the composite aggregated particulate material. The composite aggregated particulate material includes an inorganic aggregate material being a granular material formed of aggregates of an inorganic particulate material formed of silica having a specific surface area particle diameter of not less than 0.8 nm and not greater than 80 nm, and an organic coating material formed of an organic matter coating a surface of the inorganic aggregate material. A mass of the organic coating material is not less than 0.8% and not greater than 80% with respect to a sum of a mass of the inorganic aggregate material and a mass of the organic coating material. Both mechanical properties and optical properties are realized by mixing the plasticizer composition.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Applicants: Admatechs Co., Ltd., Sekisui Chemical Co., Ltd.
    Inventors: Yuji OONO, Yuu SAKAMOTO, Tatsuya IWAMOTO
  • Publication number: 20200198301
    Abstract: Provided is an interlayer film for laminated glass capable of effectively enhancing the sound insulating property at 6300 Hz while effectively preventing deterioration in sound insulating property at 3150 Hz in laminated glass. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and includes a resin layer containing a resin and a plasticizer. The interlayer film has a resonance frequency X of 550 Hz or more and 740 Hz or less, a loss factor Y in a secondary mode of 0.35 or more, and satisfies a formula: Y>0.0008X?0.142 in a measurement of resonance frequency in a secondary mode in a damping test for laminated glass according to a central exciting method of laminated glass, when the laminated glass is obtained by arranging the interlayer film between two glass plates of 25 mm wide, 300 mm long and 2 mm thick.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 25, 2020
    Inventors: Tatsuya Iwamoto, Yuki Ishikawa, Shinji Kawada, Yuu Sakamoto
  • Publication number: 20200171798
    Abstract: Provided is an interlayer film for laminated glass capable of effectively enhancing the sound insulating property of laminated glass having the interlayer film, in the interlayer film including a layer prepared with a thermoplastic component other than a polyvinyl acetal resin. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure, and includes a thermoplastic elastomer layer containing a thermoplastic elastomer and a plasticizer, and the thermoplastic elastomer is an aliphatic polyolefin, the thermoplastic elastomer layer has a glass transition temperature in a temperature range of ?10° C. to 10° C., and a maximum value of tan ? in a temperature range of ?10° C. to 10° C. of the thermoplastic elastomer layer is 1.5 or more.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 4, 2020
    Inventors: Yuu Sakamoto, Tatsuya Iwamoto
  • Publication number: 20200023619
    Abstract: Provided is an interlayer film for laminated glass with which the sound insulating properties of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure, and includes a first layer having a glass transition temperature in dynamic viscoelasticity measurement of ?30° C. or more and 10° C. or less, and when a glass transition temperature in unit ° C. of the first layer is referred to as Tg, a loss tangent tan ? of the first layer at Tg satisfies both of the following formula (1) and formula (2): (Loss tangent tan ? of the first layer at Tg)?1.55??(1) (Loss tangent tan ? of the first layer at Tg)=A×(first storage modulus G? of the first layer at Tg?10° C./second storage modulus G? of the first layer at Tg+10° C.)+B??(2) in the above formula (2), A is 0.003 or more and 0.04 or less, and B is 0.7 or more and 1.4 or less.
    Type: Application
    Filed: February 2, 2018
    Publication date: January 23, 2020
    Inventors: Tatsuya Iwamoto, Yuu Sakamoto, Yuki Ishikawa, Shinji Kawada
  • Publication number: 20190366691
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating properties of laminated glass, and making foaming less likely to occur in an end part. The interlayer film for laminated glass according to the present invention includes a first layer, and a lateral covering part that covers at least part of a lateral part of the first layer, and the first layer has a shear elastic modulus at 25° C. of 0.17 MPa or less, and the lateral covering part has a shear elastic modulus at 25° C. of more than 1 MPa.
    Type: Application
    Filed: February 2, 2018
    Publication date: December 5, 2019
    Inventors: Tatsuya Iwamoto, Yuu Sakamoto, Yuki Ishikawa, Shinji Kawada
  • Publication number: 20180046488
    Abstract: The purpose of the present invention is to provide a thin client system using a virtual machine which more satisfactorily suppresses occurrences of login storms. A connection management device 10 comprises: a virtual machine selection unit 11 which, on the basis of usage information of virtual machines 21 and valid profile location information of each user, selects the virtual machines 21 which are to be allocated to the users who log in to a thin client system 1; and a user session management unit 12 which, according to connection states of the users with respect to the virtual machines 21, updates the usage information and the valid profile location information.
    Type: Application
    Filed: March 2, 2016
    Publication date: February 15, 2018
    Applicant: NEC Corporation
    Inventor: Yuu SAKAMOTO
  • Patent number: 9448923
    Abstract: An information processing device includes: an SSD storage controlling unit for storing a physical address of a storage region of data stored in an SSD (Solid State Drive) and a number of updates of the storage region, as SSD update information into the SSD; a backup storage controlling unit for storing copy data of the data stored in the SSD, and copy update information obtained by copying the SSD update information, in association with each other into a backup storage part; an acquiring unit for acquiring the copy update information corresponding to data associated with the SSD update information acquired from the SSD, from the backup storage part; and a deciding unit for deciding the data to be stored into the backup storage part based on the acquired SSD update information and the acquired copy update information.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: September 20, 2016
    Assignee: NEC CORPORATION
    Inventor: Yuu Sakamoto
  • Patent number: 8769532
    Abstract: Creation of a virtual machine in a hypervisor unusable by a license for use in creating a virtual machine is provided. At least one tenant including at least one tenant terminal, a management data base which stores resource information of the tenant, at least one data center on which a virtual machine to be used by the tenant operates, and a management server including a virtual machine creation management unit which selects a hypervisor in which the virtual machine can be created based on resource information of the tenant stored in the management data base and a virtual machine creation request including predetermined requirement information for creating the virtual machine which is received from the tenant terminal are provided.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: July 1, 2014
    Assignee: NEC Corporation
    Inventor: Yuu Sakamoto
  • Publication number: 20140173188
    Abstract: An information processing device includes: an SSD storage controlling unit for storing a physical address of a storage region of data stored in an SSD (Solid State Drive) and a number of updates of the storage region, as SSD update information into the SSD; a backup storage controlling unit for storing copy data of the data stored in the SSD, and copy update information obtained by copying the SSD update information, in association with each other into a backup storage part; an acquiring unit for acquiring the copy update information corresponding to data associated with the SSD update information acquired from the SSD, from the backup storage part; and a deciding unit for deciding the data to be stored into the backup storage part based on the acquired SSD update information and the acquired copy update information.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 19, 2014
    Applicant: NEC CORPORATION
    Inventor: YUU SAKAMOTO
  • Publication number: 20130114917
    Abstract: The invention is a filling method in which liquid is filled and sealed into a liquid sachet package made of a multilayered laminate having at least three layers in which a base material which forms a surface layer, an intermediate layer, and a sealant layer which forms an internal layer are laminated in the above order, including a process of forming a liquid sachet package, a process of filling liquid, and a process of sealing in the opening of the liquid sachet package, in which the intermediate layer is formed using a composition including an ionomer of an ethylene and unsaturated carboxylic acid copolymer, and a filling temperature range obtained using a specific method becomes equal to or more than 30° C. at both a line speed of 20 m/minute and a line speed of 25 m/minute.
    Type: Application
    Filed: July 12, 2011
    Publication date: May 9, 2013
    Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.
    Inventors: Yuu Sakamoto, Noritsugu Saito, Nobuyuki Maki