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).
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Publication number: 20230330970Abstract: 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: ApplicationFiled: September 28, 2021Publication date: October 19, 2023Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Tetuya HAYASHI, Reiko YAMAMURA
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Patent number: 11732109Abstract: 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: GrantFiled: June 29, 2020Date of Patent: August 22, 2023Assignees: ADMATECHS CO., LTD., SEKISUI CHEMICAL CO., LTD.Inventors: Yuji Oono, Yuu Sakamoto, Tatsuya Iwamoto
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Patent number: 11648755Abstract: 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: GrantFiled: February 2, 2018Date of Patent: May 16, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tatsuya Iwamoto, Yuu Sakamoto, Yuki Ishikawa, Shinji Kawada
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Publication number: 20220371305Abstract: 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: ApplicationFiled: July 21, 2022Publication date: November 24, 2022Inventors: Tatsuya Iwamoto, Yuki Ishikawa, Shinji Kawada, Yuu Sakamoto
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Publication number: 20220355581Abstract: 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: ApplicationFiled: December 9, 2020Publication date: November 10, 2022Applicants: SEKISUI CHEMICAL CO., LTD., Admatechs Co., Ltd.Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Satoshi MAEDA, Yuji OONO, Kazuma OOSAWA, Takeshi YANAGIHARA, Susumu ABE
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Publication number: 20220332092Abstract: 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: ApplicationFiled: December 9, 2020Publication date: October 20, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuu SAKAMOTO, Junichi NAKADATE, Satoshi MAEDA, Reiko YAMAMURA
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Patent number: 11396162Abstract: 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: GrantFiled: May 18, 2018Date of Patent: July 26, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tatsuya Iwamoto, Yuki Ishikawa, Shinji Kawada, Yuu Sakamoto
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Patent number: 11214043Abstract: 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: GrantFiled: May 18, 2018Date of Patent: January 4, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuu Sakamoto, Tatsuya Iwamoto
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Publication number: 20210316536Abstract: 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: ApplicationFiled: July 2, 2019Publication date: October 14, 2021Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tatsuya IWAMOTO, Yuu SAKAMOTO
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Publication number: 20210070020Abstract: 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: ApplicationFiled: April 1, 2019Publication date: March 11, 2021Inventor: Yuu Sakamoto
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Publication number: 20200325305Abstract: 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: ApplicationFiled: June 29, 2020Publication date: October 15, 2020Applicants: Admatechs Co., Ltd., Sekisui Chemical Co., Ltd.Inventors: Yuji OONO, Yuu SAKAMOTO, Tatsuya IWAMOTO
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Publication number: 20200198301Abstract: 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: ApplicationFiled: May 18, 2018Publication date: June 25, 2020Inventors: Tatsuya Iwamoto, Yuki Ishikawa, Shinji Kawada, Yuu Sakamoto
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Publication number: 20200171798Abstract: 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: ApplicationFiled: May 18, 2018Publication date: June 4, 2020Inventors: Yuu Sakamoto, Tatsuya Iwamoto
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Publication number: 20200023619Abstract: 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: ApplicationFiled: February 2, 2018Publication date: January 23, 2020Inventors: Tatsuya Iwamoto, Yuu Sakamoto, Yuki Ishikawa, Shinji Kawada
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Publication number: 20190366691Abstract: 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: ApplicationFiled: February 2, 2018Publication date: December 5, 2019Inventors: Tatsuya Iwamoto, Yuu Sakamoto, Yuki Ishikawa, Shinji Kawada
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Publication number: 20180046488Abstract: 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: ApplicationFiled: March 2, 2016Publication date: February 15, 2018Applicant: NEC CorporationInventor: Yuu SAKAMOTO
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Patent number: 9448923Abstract: 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: GrantFiled: December 9, 2013Date of Patent: September 20, 2016Assignee: NEC CORPORATIONInventor: Yuu Sakamoto
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Patent number: 8769532Abstract: 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: GrantFiled: July 1, 2011Date of Patent: July 1, 2014Assignee: NEC CorporationInventor: Yuu Sakamoto
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Publication number: 20140173188Abstract: 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: ApplicationFiled: December 9, 2013Publication date: June 19, 2014Applicant: NEC CORPORATIONInventor: YUU SAKAMOTO
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Publication number: 20130114917Abstract: 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: ApplicationFiled: July 12, 2011Publication date: May 9, 2013Applicant: DU PONT-MITSUI POLYCHEMICALS CO., LTD.Inventors: Yuu Sakamoto, Noritsugu Saito, Nobuyuki Maki