Patents by Inventor Hitoshi Shibuya
Hitoshi Shibuya 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: 20240167755Abstract: The disclosed refrigerator includes a compartment defined by a partition wall, a door configured to open and close the compartment, a sealing member on the door so that, when the compartment is closed by the door, the sealing member is between the compartment and the door and seals an inside of the compartment, an elastic member on the door or the compartment so that, when the compartment is closed by the door, the elastic member is between the compartment and the door and is further outside than the sealing member, and a heat transfer member in contact with the elastic member and configured so that, when the compartment is closed by the door, the heat transfer member transfers heat of outside air to the partition wall.Type: ApplicationFiled: January 24, 2024Publication date: May 23, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Hiroshi NAKAMURA, Ryota AOKI, Hitoshi TAKASE, Tomohiko MATSUNO, Makoto SHIBUYA
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Publication number: 20240151460Abstract: A refrigerator comprising a cabinet, a door configured to open and close an opening of the cabinet, and an outside air heat inductor arrangeable inside the door to extend toward the cabinet from a front portion of the door. The outside air heat inductor includes a first heat transfer path forming member configured to transfer outside air heat from outside the refrigerator toward a surface of the cabinet, and a second heat transfer path forming member arrangeable between the first heat transfer path forming member and an inside of the cabinet such that while the second heat transfer path forming member is arranged between the first heat transfer path forming member and the inside of the cabinet, the second heat transfer path forming member receives the outside air heat and prevents cold air within the cabinet from being transferred to the first heat transfer path forming member.Type: ApplicationFiled: January 17, 2024Publication date: May 9, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hitoshi TAKASE, Ryota AOKI, Tomohiko MATSUNO, Makoto SHIBUYA
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Patent number: 11933533Abstract: A blower configured to circulate cold air inside a body of a refrigerator. The blower includes a casing, an impeller accommodated in the casing, and a support member configured to support the impeller against the casing. The impeller includes a disk-shaped base plate rotatably supported by the support member. The casing includes an inner circumferential surface extending so as to gradually move away from an outer circumference of the base plate toward a rotational direction of the impeller at a predetermined position around the outer circumference of the base plate, and a first case flow path between the inner circumferential surface and the outer circumference. An introduction port configured to introduce the cold air to a second case flow path branched from the first case flow path is formed on the inner circumferential surface of the casing.Type: GrantFiled: June 5, 2020Date of Patent: March 19, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Tomohiko Matsuno, Tomoharu Iwamoto, Makoto Shibuya, Tatsuya Seo, Hitoshi Takase
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Patent number: 11667825Abstract: A thermally conductive sheet contains a matrix resin and thermally conductive particles. The content of the thermally conductive particles is 200 parts by volume or more with respect to 100 parts by volume of the matrix resin component. A polymer viscosity of the matrix resin component after a crosslinking reaction in the absence of the thermally conductive particles is 500 Pa·s or less at 25° C. A thermal conductivity of the thermally conductive sheet is 2.0 W/m·K or more. When the thermally conductive sheet with an initial thickness of 1.5 mm is compressed at a compression rate of 5.0 mm/min to measure a 50% compressive load value, the maximum load value is 100 kPa or more and the load value after 1 minute is more than 0 kPa and 100 kPa or less. With this configuration, the thermally conductive sheet has a high thermal conductivity, a low steady load value, and flexibility.Type: GrantFiled: October 2, 2019Date of Patent: June 6, 2023Assignee: Fuji Polymer Industries Co., Ltd.Inventor: Hitoshi Shibuya
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Publication number: 20210214600Abstract: A thermally conductive sheet contains a matrix resin and thermally conductive particles. The content of the thermally conductive particles is 200 parts by volume or more with respect to 100 parts by volume of the matrix resin component. A polymer viscosity of the matrix resin component after a crosslinking reaction in the absence of the thermally conductive particles is 500 Pa·s or less at 25° C. A thermal conductivity of the thermally conductive sheet is 2.0 W/m·K or more. When the thermally conductive sheet with an initial thickness of 1.5 mm is compressed at a compression rate of 5.0 mm/min to measure a 50% compressive load value, the maximum load value is 100 kPa or more and the load value after 1 minute is more than 0 kPa and 100 kPa or less. With this configuration, the thermally conductive sheet has a high thermal conductivity, a low steady load value, and flexibility.Type: ApplicationFiled: October 2, 2019Publication date: July 15, 2021Inventor: Hitoshi SHIBUYA
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Patent number: 10804004Abstract: A conducting film of the present invention includes (A) graphene and/or graphene oxide, and/or derivatives thereof, and (B) a compound having a sulfonic acid group, and/or derivatives thereof, and has a volume resistivity of 1×104 ?·cm or less. A method for producing the conducting film of the present invention includes preparing a dispersion by dispersing a component including (A) graphene and/or graphene oxide, and/or derivatives thereof, and (B) a compound having a sulfonic acid group, and/or derivatives thereof in a dispersion medium, applying the dispersion on a substrate and drying it, and performing heat treatment at a temperature of 100° C. or more. Thereby, the present invention provides a conducting film that has high conductivity and can be applied to a wide range of composites including graphenes, and a method for producing the same.Type: GrantFiled: July 11, 2016Date of Patent: October 13, 2020Assignees: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, FUJI POLYMER INDUSTRIES CO., LTD.Inventors: Shigeji Konagaya, Toshio Saruyama, Hitoshi Shibuya
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Publication number: 20180094181Abstract: A composite material of the present invention is a composite material including cellulose nanofibers and nanoparticles. The structure of the nanoparticles is composed of primary nanoparticles with a particle diameter of 3 to 50 nm or aggregated nanoparticles with a particle diameter of 100 nm or less in which the nanoparticles are aggregated. The surfaces of the cellulose nanofibers are densely covered with the nanoparticles. The composite material has a thermal conductivity in a plane direction of preferably 3.0 W/m·K or more. The production method of the composite material of the present invention includes continuously or sequentially mixing a suspension in which cellulose nanofibers are dispersed in a dispersion medium and a suspension in which nanoparticles are dispersed in a dispersion medium to obtain a composite material in which the surfaces of the cellulose nanofibers are densely covered with the nanoparticles.Type: ApplicationFiled: September 14, 2017Publication date: April 5, 2018Inventors: Yuichi TOMINAGA, Kimiyasu SATO, Yuji HOTTA, Mai SUGIE, Hitoshi SHIBUYA, Toshio SARUYAMA
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Patent number: 9862840Abstract: A conducting composition of the present invention includes a cellulose nanofiber and a fine particle. The conducting composition includes (A) a cellulose nanofiber, and (B) at least one type of an inorganic powder selected from graphene, graphene oxide, and derivatives thereof. A method for producing the conducting composition includes preparing a dispersion by adding water or a mixed solvent of water and a hydrophilic solvent to (A) a cellulose nanofiber and (B) at least one type of an inorganic powder selected from graphene, graphene oxide, and derivatives thereof, and removing the water or the mixed solvent of water and a hydrophilic solvent from the dispersion. Accordingly, the present invention provides a conducting composition that utilizes a cellulose nanofiber and an inorganic powder having the conductivity at a nano-scale size, can improve the conductivity, and further can have properties such as anisotropy and transparency.Type: GrantFiled: September 14, 2015Date of Patent: January 9, 2018Assignees: National University Corporation Nagoya University, Fuji Polymer Industries Co., Ltd.Inventors: Shigeji Konagaya, Hitoshi Shibuya, Toshio Saruyama
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Publication number: 20170018327Abstract: A conducting film of the present invention includes (A) graphene and/or graphene oxide, and/or derivatives thereof, and (B) a compound having a sulfonic acid group, and/or derivatives thereof, and has a volume resistivity of 1×104 ?·cm or less. A method for producing the conducting film of the present invention includes preparing a dispersion by dispersing a component including (A) graphene and/or graphene oxide, and/or derivatives thereof, and (B) a compound having a sulfonic acid group, and/or derivatives thereof in a dispersion medium, applying the dispersion on a substrate and drying it, and performing heat treatment at a temperature of 100° C. or more. Thereby, the present invention provides a conducting film that has high conductivity and can be applied to a wide range of composites including graphenes, and a method for producing the same.Type: ApplicationFiled: July 11, 2016Publication date: January 19, 2017Inventors: Shigeji KONAGAYA, Toshio SARUYAMA, Hitoshi SHIBUYA
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Publication number: 20160340520Abstract: A conducting composition of the present invention includes a cellulose nanofiber and a fine particle. The conducting composition includes (A) a cellulose nanofiber, and (B) at least one type of an inorganic powder selected from graphene, graphene oxide, and derivatives thereof. A method for producing the conducting composition includes preparing a dispersion by adding water or a mixed solvent of water and a hydrophilic solvent to (A) a cellulose nanofiber and (B) at least one type of an inorganic powder selected from graphene, graphene oxide, and derivatives thereof, and removing the water or the mixed solvent of water and a hydrophilic solvent from the dispersion. Accordingly, the present invention provides a conducting composition that utilizes a cellulose nanofiber and an inorganic powder having the conductivity at a nano-scale size, can improve the conductivity, and further can have properties such as anisotropy and transparency.Type: ApplicationFiled: September 14, 2015Publication date: November 24, 2016Inventors: Shigeji KONAGAYA, Hitoshi SHIBUYA, Toshio SARUYAMA
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Publication number: 20160319176Abstract: A thermally conducting composition of the present invention includes (A) a cellulose nanofiber, and (B) at least one type of an inorganic powder selected from a metal oxide and a diamond having an average particle diameter of 50 nm or less. A method for producing the thermally conducting composition includes the steps of preparing a dispersion by adding water or a mixed solvent of water and a hydrophilic solvent to (A) a cellulose nanofiber and (B) at least one type of an inorganic powder selected from a metal oxide and a diamond having an average particle diameter of 50 nm or less; and removing the water or the mixed solvent of water and a hydrophilic solvent from the dispersion.Type: ApplicationFiled: September 14, 2015Publication date: November 3, 2016Inventors: Shigeji KONAGAYA, Hitoshi SHIBUYA, Toshio SARUYAMA
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Patent number: 8129122Abstract: A method for objectively predicting possibility of metastasis to a cervical lymph node in an early stage for an individual case diagnosed as an oral cavity cancer, and a diagnosis kit to be used in the prediction are provided. The method includes a step of assaying expression amounts of metastasis prediction genes in which the expression amounts are changed between a metastasis group and a non-metastasis group, with respect to a sample collected from a primary legion of the oral cavity cancer. Further, the method includes a step of predicting the possibility of the metastasis by comparing the expression amounts of the metastasis gene group with the expression amounts of the metastasis prediction genes in a metastasis group and/or a non-metastasis group. Herein, the metastasis prediction gene group includes two genes MSR1 (NM_138716.1) and RET (M31213.1).Type: GrantFiled: March 30, 2007Date of Patent: March 6, 2012Assignee: National Institute of Radiological SciencesInventors: Takashi Imai, Mayumi Iwakawa, Hitoshi Shibuya, Masahiko Miura, Ryoichi Yoshimura, Hiroshi Watanabe
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Publication number: 20090317813Abstract: A method for objectively predicting possibility of metastasis to a cervical lymph node in an early stage for an individual case diagnosed as an oral cavity cancer, and a diagnosis kit to be used in the prediction are provided. The method includes a step of assaying expression amounts of metastasis prediction genes in which the expression amounts are changed between a metastasis group and a non-metastasis group, with respect to a sample collected from a primary legion of the oral cavity cancer. Further, the method includes a step of predicting the possibility of the metastasis by comparing the expression amounts of the metastasis gene group with the expression amounts of the metastasis prediction genes in a metastasis group and/or a non-metastasis group. Herein, the metastasis prediction gene group includes two genes MSR1 (NM_138716.1) and RET (M31213.1).Type: ApplicationFiled: March 30, 2007Publication date: December 24, 2009Inventors: Takashi Imai, Mayumi Iwakawa, Hitoshi Shibuya, Masahiko Miura, Ryoichi Yoshimura, Hiroshi Watanabe
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Publication number: 20070200053Abstract: An image pickup apparatus may include a wiring board; a frame member having a framework-like shape and disposed on the wiring board, an image pickup element disposed on the inner side of the frame member on the wiring board, and a transparent cover disposed on the frame member. The wiring board and the frame member may be attached to each other by thermosetting adhesive. The frame member may be made of a material which has a coefficient of thermal expansion lower than that of the wiring board and has a rigidity higher than that of the wiring board.Type: ApplicationFiled: February 1, 2007Publication date: August 30, 2007Applicant: Sony CorporationInventors: Takumi Nomura, Hitoshi Shibuya
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Patent number: 7226354Abstract: A cabinet wherein air sucked from an inlet opening 4d of a shelf board combined inlet duct 4 by drive of an air purification unit 3 is passed through the shelf board combined inlet duct 4 and introduced into the inside of a case 3a, and by a dust collection filter 32 and an odor eliminating means 33. Air forced into the shelf board combined outlet duct 5 through the air duct 10 is exhausted through an outlet opening 5d of the shelf board combined outlet duct 5, and air curtain is formed along the opening of the storage section 11 of a cabinet 1. Therefore, air in the storage section 11 of the cabinet 1 is circulated and purified, while getting caught in a circulating airflow including the air curtain.Type: GrantFiled: May 29, 2002Date of Patent: June 5, 2007Assignee: Kongo Kabushiki KaishaInventors: Tomoyuki Kawano, Toshihiro Higashi, Hiroaki Koba, Ichiro Ikenaga, Kazuya Tokunaga, Satoru Yoshimitsu, Hitoshi Shibuya
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Publication number: 20040038641Abstract: Storage with air purification function that can prevent the invasion of particles, harmful insects, or the like from the opening of the storage section and pollution of air in the storage section is provided.Type: ApplicationFiled: May 8, 2003Publication date: February 26, 2004Inventors: Tomoytuki Kawano, Toshihiro Higashi, Hiroaki Koba, Ichiro Ikenaga, Kazuya Tokunaga, Satoru Yoshimitsu, Hitoshi Shibuya