Patents by Inventor Kenichi Nagayama

Kenichi Nagayama 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: 20230174429
    Abstract: Provided are a sintered material having high corrosion resistance, a method of manufacturing the sintered material, a member for a semiconductor manufacturing apparatus, a method of manufacturing a member for a semiconductor manufacturing apparatus, a semiconductor manufacturing apparatus, and a method of manufacturing a semiconductor manufacturing apparatus. The sintered material according to an embodiment includes 50 mass% or more of yttrium oxyfluoride, has a relative density of 97.0% or more, and has a Vickers hardness of 5.0 GPa or more. The method of manufacturing a sintered material according to an embodiment includes forming a molded body including yttrium oxyfluoride powder having a particle size of 0.3 µm or less, and sintering the molded body under an atmospheric pressure at a temperature of 800° C. or less.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 8, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Changhwan KIM, Takafumi Noguchi, Toshihiro IIzuka, Younseon Wang, Kenichi Nagayama
  • Patent number: 11424140
    Abstract: A member includes a base material structure and a surface layer on the base material structure. The surface layer includes a particle that includes Y—O—F. The base material structure includes interface layers in contact with the surface layer. The interface layers of the base material structure include fluorine.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Changhwan Kim, Toshihiro Iizuka, Kenichi Nagayama, Takafumi Noguchi
  • Publication number: 20220162083
    Abstract: A sintered body, a method of fabricating the sintered body, a semiconductor fabricating device, and a method of fabricating the semiconductor fabricating device, the sintered body including 50 mass % or more of Y5O4F7, wherein the sintered body has a relative density of 97.0% or more and a Vickers hardness of 2.4 GPa or more.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 26, 2022
    Inventors: Chang Hwan KIM, Takafumi NOGUCHI, Toshihiro IIZUKA, Kenichi NAGAYAMA
  • Patent number: 11077419
    Abstract: Described is an adsorbent, a vacuum heat insulating material having the same and a refrigerator, which are capable of adsorbing a target material in a reduced pressure environment. A refrigerator includes an outer casing forming an exterior, an inner casing provided inside the outer casing and forming a storage chamber and a vacuum heat insulating material positioned between the outer casing and the inner casing, and including an adsorbent that adsorbs a heat transfer medium. The adsorbent includes a first adsorption component provided to adsorb oxygen, and including a transition metal oxide having an oxygen deficiency structure, and a second adsorption component provided to adsorb moisture.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nagahisa Sato, Ryo Iwamuro, Tomokazu Fukuzaki, Kenichi Nagayama, Ryosuke Kamitani, Kenji Takeuchi
  • Patent number: 10875009
    Abstract: Example embodiments relate to a gas-adsorbing material capable of reducing the generation amount of combustible gas without deteriorating gas-adsorbing performance, and a vacuum insulation material including the gas-adsorbing material. The gas-adsorbing material may include a metal selected from at least one of Li, V, Zr, or an alloy including the same, which adsorbs a nitrogen gas and is inactivated by moisture as a nitrogen adsorbing agent, and an additive added to the metal. The metal is attached on the particle surface of the additive. The metal may be an alloy including Li and an alkaline-earth metal, for example, Ba—Li alloy. The additive absorbs moisture, and is selected from at least one of an inorganic oxide, a transition metal, an oxide of a transition metal, an alloy including a transition metal, and a mixture including a transition metal.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nagahisa Sato, Ryosuke Kamitani, Kenichi Nagayama, Tomokazu Fukuzaki
  • Patent number: 10549257
    Abstract: A gas adsorbing material particle includes an additive material particle having a moisture adsorption property; and a layer of a gas adsorbing metal disposed on a surface of the additive material particle, wherein the gas adsorbing metal is inactivated by moisture and adsorbs a target gas, wherein an average thickness of the layer of the metal is less than or equal to about 37 micrometers.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kenichi Nagayama, Kenji Takeuchi, Tomokazu Fukuzaki
  • Publication number: 20190366301
    Abstract: Example embodiments relate to a gas-adsorbing material capable of reducing the generation amount of combustible gas without deteriorating gas-adsorbing performance, and a vacuum insulation material including the gas-adsorbing material. The gas-adsorbing material may include a metal selected from at least one of Li, V, Zr, or an alloy including the same, which adsorbs a nitrogen gas and is inactivated by moisture as a nitrogen adsorbing agent, and an additive added to the metal. The metal is attached on the particle surface of the additive. The metal may be an alloy including Li and an alkaline-earth metal, for example, Ba—Li alloy. The additive absorbs moisture, and is selected from at least one of an inorganic oxide, a transition metal, an oxide of a transition metal, an alloy including a transition metal, and a mixture including a transition metal.
    Type: Application
    Filed: August 6, 2019
    Publication date: December 5, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Nagahisa SATO, Ryosuke Kamitani, Kenichi Nagayama, Tomokazu Fukuzaki
  • Patent number: 10421059
    Abstract: Example embodiments relate to a gas-adsorbing material capable of reducing the generation amount of combustible gas without deteriorating gas-adsorbing performance, and a vacuum insulation material including the gas-adsorbing material. The gas-adsorbing material may include a metal selected from at least one of Li, V, Zr, or an alloy including the same, which adsorbs a nitrogen gas and is inactivated by moisture as a nitrogen adsorbing agent, and an additive added to the metal. The metal is attached on the particle surface of the additive. The metal may be an alloy including Li and an alkaline-earth metal, for example, Ba—Li alloy. The additive absorbs moisture, and is selected from at least one of an inorganic oxide, a transition metal, an oxide of a transition metal, an alloy including a transition metal, and a mixture including a transition metal.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: September 24, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nagahisa Sato, Ryosuke Kamitani, Kenichi Nagayama, Tomokazu Fukuzaki
  • Patent number: 10001320
    Abstract: A laminated structure includes a polymer layer comprising at least one layer, a gas barrier layer which has thermal resistance of greater than or equal to about 650 degrees Kelvin per watt and a Young's modulus of greater than or equal to about 100 gigapascals, and a position of a neutral axis represented by the following Equation 1 is in the gas barrier layer. y = ? i = 1 n ? ? ( Ei · Si ) ? i = 1 n ? ? ( Ei · Ai ) ( Equation ? ? 1 ) In Equation 1, y denotes a distance from the top surface of a side compressed in bending to the neutral axis, Ei denotes a Young's modulus of the i-th layer, Si denotes a geometrical moment of area of the i-th layer, Ai denotes a cross-sectional area of the i-th layer, and n denotes a number of layers for the laminated structure, which is an integer of greater than or equal to 5.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Makoto Odawara, Mitsuharu Kimura, Kenichi Nagayama
  • Patent number: 9901900
    Abstract: A gas-adsorbing material may increase gas barrier properties for a target gas by reducing a gas-adsorption rate while maintaining gas-adsorption performance. A vacuum insulation material may use the gas-adsorbing material. The gas-adsorbing material may include a gas-adsorbing composition including a copper ion exchanged ZSM-5-type zeolite having a silica to alumina ratio ranging from about 10 to 50 in a framework of zeolite. A ratio of dealuminization of the ZSM-5-type zeolite is at least about 15%, and the gas-adsorbing material is capable of adsorbing at least nitrogen. Furthermore, the gas-adsorbing material may include a calcinated body of a compressed article comprising a gas-adsorbing composition including a copper ion exchanged ZSM-5-type zeolite having a silica to alumina ratio ranging from about 10 to 50 in a framework of zeolite (where a ratio of dealuminization of the ZSM-5-type zeolite is at least about 15%) and a moisture-absorbing material.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: February 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nagahisa Sato, Ryosuke Kamitani, Kenichi Nagayama
  • Publication number: 20170368530
    Abstract: Described is an adsorbent, a vacuum heat insulating material having the same and a refrigerator, which are capable of adsorbing a target material in a reduced pressure environment. A refrigerator includes an outer casing forming an exterior, an inner casing provided inside the outer casing and forming a storage chamber and a vacuum heat insulating material positioned between the outer casing and the inner casing, and including an adsorbent that adsorbs a heat transfer medium. The adsorbent includes a first adsorption component provided to adsorb oxygen, and including a transition metal oxide having an oxygen deficiency structure, and a second adsorption component provided to adsorb moisture.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 28, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nagahisa SATO, Ryo IWAMURO, Tomokazu FUKUZAKI, Kenichi NAGAYAMA, Ryosuke KAMITANI, Kenji TAKEUCHI
  • Publication number: 20170348669
    Abstract: A gas adsorbing material particle includes an additive material particle having a moisture adsorption property; and a layer of a gas adsorbing metal disposed on a surface of the additive material particle, wherein the gas adsorbing metal is inactivated by moisture and adsorbs a target gas, wherein an average thickness of the layer of the metal is less than or equal to about 37 micrometers.
    Type: Application
    Filed: June 1, 2017
    Publication date: December 7, 2017
    Inventors: Kenichi NAGAYAMA, Kenji TAKEUCHI, Tomokazu FUKUZAKI
  • Patent number: 9765917
    Abstract: A vacuum insulation material including: a core material; and a gas adsorbing agent, wherein the core material and the gas absorbing agent are interposed between a pair of gas barrier materials, wherein at least one of the pair of gas barrier materials includes a quasicrystal metal layer including a quasicrystal metal. The vacuum insulation material may reduce the heat bridge while maintaining high gas barrier properties.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tomokazu Fukuzaki, Kenichi Nagayama, Mitsuharu Kimura
  • Patent number: 9546481
    Abstract: A vacuum insulation material includes a pair of gas barrier exterior materials, a core material including a cellulose structure having porosity of greater than or equal to about 80% under reduced pressure of about 1 Pa, where the cellulose structure has a unit length of greater than or equal to about 1 ?m and less than or equal to about 5 mm in the heat-insulation direction, and the method of manufacturing the same, and a gas adsorption agent, where the core material and the gas adsorption agent are interposed between the pair of gas barrier exterior materials and sealed inside of the pair of gas barrier exterior materials under reduced pressure.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: January 17, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mitsuharu Kimura, Hideki Imamura, Kenichi Nagayama
  • Patent number: 9464430
    Abstract: A vacuum insulation includes a core material and a gas adsorption agent interposed between a first gas barrier material and a second gas barrier material, wherein the first and the second gas barrier materials sealingly enclose the core material and the gas adsorption agent, and wherein at least one of the first and the second gas barrier materials includes a laminate including a copper alloy foil and a polymeric material.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: October 11, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mitsuharu Kimura, Hideki Imamura, Kenichi Nagayama
  • Publication number: 20160186918
    Abstract: A vacuum insulation material including: a core material; and a gas adsorbing agent, wherein the core material and the gas absorbing agent are interposed between a pair of gas barrier materials, wherein at least one of the pair of gas barrier materials includes a quasicrystal metal layer including a quasicrystal metal. The vacuum insulation material may reduce the heat bridge while maintaining high gas barrier properties.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Tomokazu FUKUZAKI, Kenichi NAGAYAMA, Mitsuharu KIMURA
  • Publication number: 20160187050
    Abstract: A laminated structure includes a polymer layer comprising at least one layer, a gas barrier layer which has thermal resistance of greater than or equal to about 650 degrees Kelvin per watt and a Young's modulus of greater than or equal to about 100 gigapascals, and a position of a neutral axis represented by the following Equation 1 is in the gas barrier layer. y = ? i = 1 n ? ? ( Ei · Si ) ? i = 1 n ? ? ( Ei · Ai ) ( Equation ? ? 1 ) In Equation 1, y denotes a distance from the top surface of a side compressed in bending to the neutral axis, Ei denotes a Young's modulus of the i-th layer, Si denotes a geometrical moment of area of the i-th layer, Ai denotes a cross-sectional area of the i-th layer, and n denotes a number of layers for the laminated structure, which is an integer of greater than or equal to 5.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Makoto Odawara, Mitsuharu Kimura, Kenichi Nagayama
  • Patent number: 9346242
    Abstract: A multi-layer thin film assembly including a first layer including a first material, wherein the first material includes at least two kinds of functional groups, and a second layer disposed on the first layer and including a second material that interacts with the at least two kinds of functional groups, and a barrier film including the same.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: May 24, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kenichi Nagayama, Yukika Yamada, Hisanao Usami
  • Publication number: 20160136612
    Abstract: A gas-adsorbing material may increase gas barrier properties for a target gas by reducing a gas-adsorption rate while maintaining gas-adsorption performance. A vacuum insulation material may use the gas-adsorbing material. The gas-adsorbing material may include a gas-adsorbing composition including a copper ion exchanged ZSM-5-type zeolite having a silica to alumina ratio ranging from about 10 to 50 in a framework of zeolite. A ratio of dealuminization of the ZSM-5-type zeolite is at least about 15%, and the gas-adsorbing material is capable of adsorbing at least nitrogen. Furthermore, the gas-adsorbing material may include a calcinated body of a compressed article comprising a gas-adsorbing composition including a copper ion exchanged ZSM-5-type zeolite having a silica to alumina ratio ranging from about 10 to 50 in a framework of zeolite (where a ratio of dealuminization of the ZSM-5-type zeolite is at least about 15%) and a moisture-absorbing material.
    Type: Application
    Filed: November 12, 2015
    Publication date: May 19, 2016
    Inventors: Nagahisa SATO, Ryosuke KAMITANI, Kenichi NAGAYAMA
  • Publication number: 20160114310
    Abstract: Example embodiments relate to a gas-adsorbing material capable of reducing the generation amount of combustible gas without deteriorating gas-adsorbing performance, and a vacuum insulation material including the gas-adsorbing material. The gas-adsorbing material may include a metal selected from at least one of Li, V, Zr, or an alloy including the same, which adsorbs a nitrogen gas and is inactivated by moisture as a nitrogen adsorbing agent, and an additive added to the metal. The metal is attached on the particle surface of the additive. The metal may be an alloy including Li and an alkaline-earth metal, for example, Ba—Li alloy. The additive absorbs moisture, and is selected from at least one of an inorganic oxide, a transition metal, an oxide of a transition metal, an alloy including a transition metal, and a mixture including a transition metal.
    Type: Application
    Filed: October 22, 2015
    Publication date: April 28, 2016
    Inventors: Nagahisa SATO, Ryosuke KAMITANI, Kenichi NAGAYAMA, Tomokazu FUKUZAKI