Patents by Inventor Masato Sone
Masato Sone 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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Patent number: 10233557Abstract: An electroplating method according to an embodiment is a electroplating method of generating a metal film on a cathode surface by setting a negative potential to a cathode of an anode and the cathode provided in a reaction bath, including mixing and accommodating a plating solution containing at least plated metal ions, an electrolyte, and a surface active agent and a supercritical fluid in the reaction bath and applying a current in a concentration of the supercritical fluid and a cathode current density in which a polarization resistance obtained from a cathode polarization curve while the plated metal ions are reduced is larger than before the supercritical fluid is mixed.Type: GrantFiled: March 9, 2016Date of Patent: March 19, 2019Assignees: KABUSHIKI KAISHA TOSHIBA, TOKYO INSTITUTE OF TECHNOLOGYInventors: Kazuhito Higuchi, Yusaku Asano, Kyoko Honma, Kazuma Hiraguri, Yasunari Ukita, Masayuki Uchida, Toshiya Nakayama, Mayumi Machino, Masato Sone, Tso-Fu Mark Chang
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Publication number: 20160273121Abstract: An electroplating method according to an embodiment is a electroplating method of generating a metal film on a cathode surface by setting a negative potential to a cathode of an anode and the cathode provided in a reaction bath, including mixing and accommodating a plating solution containing at least plated metal ions, an electrolyte, and a surface active agent and a supercritical fluid in the reaction bath and applying a current in a concentration of the supercritical fluid and a cathode current density in which a polarization resistance obtained from a cathode polarization curve while the plated metal ions are reduced is larger than before the supercritical fluid is mixed.Type: ApplicationFiled: March 9, 2016Publication date: September 22, 2016Applicants: KABUSHIKI KAISHA TOSHIBA, TOKYO INSTITUTE OF TECHNOLOGYInventors: Kazuhito HIGUCHI, Yusaku Asano, Kyoko Honma, Kazuma Hiraguri, Yasunari Ukita, Masayuki Uchida, Toshiya Nakayama, Mayumi Machino, Masato Sone, Tso-Fu Mark Chang
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Patent number: 8172916Abstract: An aqueous suspension liquid of finely divided diamond particles comprising 0.05 to 160 parts by weight of a finely divided diamond particles in 1000 parts of water, wherein; (i) the finely divided diamond particles have an element composition consisting mainly of 72 to 89.5% by weight of carbon, 0.8 to 1.5% of hydrogen, 1.5 to 2.5% of nitrogen, and 10.5 to 25.0% of oxygen; (ii) and, almost all of said diamond particles are in the range of 2 mu to 50 nm in diameters thereof (80% or more by number average, 70% or more by weight average), (iii) and, said finely divided diamond particles exhibit a strongest peak of the intensity of the Bragg angle at 43.9° (20±20), strong and characteristic peaks at 73.5° (20±20) and 95° (20±2°), a warped halo at 17? (20±2?), and no peak at 26.5°, by X-ray diffraction (XRD) spectrum analysis using Cu-Ku radiation when dried, (iv) and, specific surface area of said diamond particles when dry state powder is not smaller than 1.Type: GrantFiled: March 11, 2011Date of Patent: May 8, 2012Inventors: Tadamasa Fujimura, Masato Sone, Valeri Yu Dolmatov, Shigeru Shiozaki
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Publication number: 20110209642Abstract: An aqueous suspension liquid of finely divided diamond particles comprising 0.05 to 160 parts by weight of a finely divided diamond particles in 1000 parts of water, wherein; (i) the finely divided diamond particles have an element composition consisting mainly of 72 to 89.5% by weight of carbon, 0.8 to 1.5% of hydrogen, 1.5 to 2.5% of nitrogen, and 10.5 to 25.0% of oxygen; (ii) and, almost all of said diamond particles are in the range of 2 mu to 50 nm in diameters thereof (80% or more by number average, 70% or more by weight average), (iii) and, said finely divided diamond particles exhibit a strongest peak of the intensity of the Bragg angle at 43.9° (20±20), strong and characteristic peaks at 73.5° (20±20) and 95° (20±2°), a warped halo at 17?(20±2?), and no peak at 26.5°, by X-ray diffraction (XRD) spectrum analysis using Cu-Ku radiation when dried, (iv) and, specific surface area of said diamond particles when dry state powder is not smaller than 1.Type: ApplicationFiled: March 11, 2011Publication date: September 1, 2011Inventors: Tadamasa Fujimura, Masato Sone, Valeri Yu Dolmatov, Shigeru Shiozaki
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Patent number: 7927390Abstract: An aqueous suspension liquid of finely divided diamond particles comprising 0.05 to 160 parts by weight of a finely divided diamond particles in 1000 parts of water, wherein; (i) the finely divided diamond particles have an element composition consisting mainly of 72 to 89.5% by weight of carbon, 0.8 to 1.5% of hydrogen, 1.5 to 2.5% of nitrogen, and 10.5 to 25.0% of oxygen; (ii) and, almost all of said diamond particles are in the range of 2 nm to 50 nm in diameters thereof (80% or more by number average, 70% or more by weight average), (iii) and, said finely divided diamond particles exhibit a strongest peak of the intensity of the Bragg angle at 43.9° (2?±2°), strong and characteristic peaks at 73.5° (2?±2°) and 95° (2?±2°), a warped halo at 17° (2?±2°), and no peak at 26.5°, by X-ray diffraction (XRD) spectrum analysis using Cu—K? radiation when dried, (iv) and, specific surface area of said diamond particles when dry state powder is not smaller than 1.Type: GrantFiled: August 3, 2009Date of Patent: April 19, 2011Assignee: Tadamasa FUJIMURAInventors: Tadamasa Fujimura, Masato Sone, Valeri Yu Dolmatov, Shigeru Shiozaki
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Patent number: 7857952Abstract: An apparatus for treating the surface of an object to be treated comprising introducing a surface treatment fluid into a reaction vessel (4) capable of receiving an object, introducing the surface treatment fluid into a separation vessel (14) after the object is subjected to surface treatment, and circulating the surface treatment fluid, from which a contaminant has already been removed, to the reaction vessel (4). At the time of treatment on the surface of the object, a circulation passage for the surface treatment fluid including the reaction vessel (4) is communicated and the surface treatment fluid is constantly circulated through the circulation passage.Type: GrantFiled: October 31, 2007Date of Patent: December 28, 2010Assignees: Asahi Engineering Co., Ltd.Inventors: Hideo Yoshida, Seizo Miyata, Masato Sone, Nobuyoshi Sato
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Patent number: 7736442Abstract: A method for activating the surface of a base material and an apparatus thereof, which is suited to be utilized for pretreatment in electrochemical treatment such as, for example, electroplating or the like, in which the surface of a base material such as metal can be subjected to degreasing treatment and oxide film removing treatment simultaneously, efficiently and rationally, in which productivity can be enhanced and the equipment cost can be reduced, and in which a waste solution can be rationalized so that the solution can be reutilized and the environmental pollution can be prevented. A method for activating the surface of a base material in which the surface of a member to be treated is subjected to degreasing treatment or oxide film removing treatment. Pressurized carbon dioxide is dissolved in a predetermined quantity of water, thereby preparing an oxide film removing solution having a predetermined acidic concentration.Type: GrantFiled: October 18, 2007Date of Patent: June 15, 2010Inventors: Hideo Yoshida, Nobuyoshi Sato, Takeshi Sako, Masato Sone, Kentaro Abe, Kiyohito Sakon
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Patent number: 7727597Abstract: The present invention provides a method and an apparatus for preparing a silicon-containing solid film, which can form a thin film uniformly over a wide area. Raw-material fluid comprising a silane derivative and a hydrocarbon derivative is mixed with carrier fluid comprising carbon dioxide to form a supercritical condition. Further, an active-state is produced in the raw-material fluid of the supercritical fluid by a catalytic reaction with at least one metal catalyst selected from a group consisting of platinum, tungsten, cobalt, nickel, iron or an alloy of each of them. The fluid is blown to the substrate, thereby forming a silicon-containing solid film or a hydrocarbon-containing solid film on the substrate.Type: GrantFiled: September 30, 2005Date of Patent: June 1, 2010Assignees: Tokyo University of Agriculture & Tech., Itec Co., Ltd.Inventors: Eizo Watanabe, Toshiyuki Watanabe, Masato Sone, Yoshinori Matsuoka, Hideo Miyake, Masayasu Iida
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Publication number: 20100092661Abstract: This invention provides an electroless plating method comprising electrolessly plating the surface of a metal base sample using a supercritical fluid or a subcritical fluid in such a state that a metal powder is dispersed in an electroless plating liquid. According to this method, a homogeneous and thick plating layer is formed in a short time by taking advantage of an induction eutectoid phenomenon. In the electroless plating method, the metal powder may have an average particle diameter of not less than 1 nm and not more than 100 &mgr;m, and the electroless plating method may also be applied to a damascene process or a dual damascene process which is a method for forming a fine metal wiring within a semiconductor element. The above constitution can provide an electroless plating method which can realize the formation of an even film by electroless plating in a short time using a subcritical fluid or a supercritical fluid by taking advantage of an induction eutectoid phenomenon.Type: ApplicationFiled: October 24, 2007Publication date: April 15, 2010Applicants: S.E.S. CO., LTD.Inventors: Tetsuya Shimizu, Hisayoshi Tajima, Seizo Miyata, Masato Sone
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Publication number: 20100069513Abstract: An aqueous suspension liquid of finely divided diamond particles comprising 0.05 to 160 parts by weight of a finely divided diamond particles in 1000 parts of water, wherein; (i) the finely divided diamond particles have an element composition consisting mainly of 72 to 89.5% by weight of carbon, 0.8 to 1.5% of hydrogen, 1.5 to 2.5% of nitrogen, and 10.5 to 25.0% of oxygen; (ii) and, almost all of said diamond particles are in the range of 2 nm to 50 nm in diameters thereof (80% or more by number average, 70% or more by weight average), (iii) and, said finely divided diamond particles exhibit a strongest peak of the intensity of the Bragg angle at 43.9° (2?±2°), strong and characteristic peaks at 73.5° (2?±2°) and 95° (2?±2°), a warped halo at 17° (2?±2°), and no peak at 26.5°, by X-ray diffraction (XRD) spectrum analysis using Cu-K? radiation when dried, (iv) and, specific surface area of said diamond particles when dry state powder is not smaller than 1.Type: ApplicationFiled: August 3, 2009Publication date: March 18, 2010Inventors: Tadamasa Fujimura, Masato Sone, Valeri Yu Dolmatov, Shigeru Shiozaki
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Publication number: 20100000872Abstract: The surface of a metal base is electroplated by utilizing an induction codeposition phenomenon using at least one of carbon dioxide and inert gas, an electroplating liquid containing a metal powder dispersed therein, and a surfactant in a supercritical state or a subcritical state. The concentration of the metal in the electroplating liquid is in a saturated or supersaturated state. Accordingly, the dissolution speed of the metal base can be suppressed, and, at the same time, a plating layer having a smooth surface can be formed in a short time by utilizing an induction codeposition phenomenon. The electroplating method can be applied even when the metal base is formed of a metallic thin film provided on a surface of an insulating film provided on the substrate, or even when the metal is copper, zinc, iron, nickel, or cobalt.Type: ApplicationFiled: April 2, 2007Publication date: January 7, 2010Applicants: S.E.S. CO., LTD.Inventors: Tetsuya Shimizu, Hisayoshi Tajima, Seizo Miyata, Masato Sone
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Patent number: 7585360Abstract: An aqueous suspension liquid of finely divided diamond particles comprising 0.05 to 160 parts by weight of a finely divided diamond particles in 1000 parts of water, wherein; (i) the finely divided diamond particles have an element composition consisting mainly of 72 to 89.5% by weight of carbon, 0.8 to 1.5% of hydrogen, 1.5 to 2.5% of nitrogen, and 10.5 to 25.0% of oxygen; (ii) and, almost all of said diamond particles are in the range of 2 nm to 50 nm in diameters thereof (80% or more by number average, 70% or more by weight average), (iii) and, said finely divided diamond particles exhibit a strongest peak of the intensity of the Bragg angle at 43.9° (2?±2°), strong and characteristic peaks at 73.5° (2?±2°)and 95° (2?±2°), a warped halo at 17° (2?±2°), and no peak at 26.5°, by X-ray diffraction (XRD) spectrum analysis using Cu—K? radiation when dried, (iv) and, specific surface area of said diamond particles when dry state powder is not smaller than 1.Type: GrantFiled: January 20, 2006Date of Patent: September 8, 2009Inventors: Tadamasa Fujimura, Masato Sone, Valeri Yu Dolmatov, Shigeru Shiozaki
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Patent number: 7498178Abstract: The present invention provides a carrier for immobilizing a bio-derived polymer, and especially, the present invention provides a carrier of diamond fine particle for immobilizing a DNA, RNA, protein and peptide, as well as a DNA chip substrate, a carrier for trapping virus and a vaccine. The carrier is prepared by the steps comprising: preparing an initial mixture including a diamond and a non-diamond by means of explosion of a detonating agent; subjecting the initial mixture to an oxidation treatment to obtain a suspension solution including the diamond; and separating a phase including the diamond. According to the present invention, after the oxidation treatment, a basic material having per se volatility or to generate a decomposed material having volatility is added, to neutralize with nitric acid, and thereby obtained diamond fine particle has a functional group on the surface thereof.Type: GrantFiled: July 13, 2006Date of Patent: March 3, 2009Inventors: Tadamasa Fujimura, Mituru Akashi, Junji Watanabe, Masato Sone
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Patent number: 7491554Abstract: The present invention provides a carrier for immobilizing a bio-derived polymer, and especially, the present invention provides a carrier of diamond fine particle for immobilizing a DNA, RNA, protein and peptide, as well as a DNA chip substrate, a carrier for trapping virus and a vaccine. The carrier is prepared by the steps comprising: preparing an initial mixture including a diamond and a non-diamond by means of explosion of a detonating agent; subjecting the initial mixture to an oxidation treatment to obtain a suspension solution including the diamond; and separating a phase including the diamond. According to the present invention, after the oxidation treatment, a basic material having per se volatility or to generate a decomposed material having volatility is added, to neutralize with nitric acid, and thereby obtained diamond fine particle has a functional group on the surface thereof.Type: GrantFiled: April 23, 2003Date of Patent: February 17, 2009Inventors: Tadamasa Fujimura, Mituru Akashi, Junji Watanabe, Masato Sone
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Publication number: 20080251103Abstract: A method for activating the surface of a base material and an apparatus thereof, which is suited to be utilized for pretreatment in electrochemical treatment such as, for example, electroplating or the like, in which the surface of a base material such as metal can be subjected to degreasing treatment and oxide film removing treatment simultaneously, efficiently and rationally, in which productivity can be enhanced and the equipment cost can be reduced, and in which a waste solution can be rationalized so that the solution can be reutilized and the environmental pollution can be prevented. A method for activating the surface of a base material in which the surface of a member to be treated is subjected to degreasing treatment or oxide film removing treatment. Pressurized carbon dioxide is dissolved in a predetermined quantity of water, thereby preparing an oxide film removing solution having a predetermined acidic concentration.Type: ApplicationFiled: October 18, 2007Publication date: October 16, 2008Applicant: Hideo YoshidaInventors: Hideo Yoshida, Nobuyoshi Sato, Takeshi Sako, Masato Sone, Kentaro Abe, Kiyohito Sakon
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Publication number: 20080210554Abstract: An apparatus for treating the surface of an object to be treated comprising introducing a surface treatment fluid into a reaction vessel (4) capable of receiving an object, introducing the surface treatment fluid into a separation vessel (14) after the object is subjected to surface treatment, and circulating the surface treatment fluid, from which a contaminant has already been removed, to the reaction vessel (4). At the time of treatment on the surface of the object, a circulation passage for the surface treatment fluid including the reaction vessel (4) is communicated and the surface treatment fluid is constantly circulated through the circulation passage.Type: ApplicationFiled: October 31, 2007Publication date: September 4, 2008Applicants: Hideo Yoshida, Asahi Engineering Co., Ltd.Inventors: Hideo Yoshida, Seizo Miyata, Masato Sone, Nobuyoshi Sato
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Publication number: 20080166491Abstract: The present invention provides a method and an apparatus for preparing a silicon-containing solid film, which can form a thin film uniformly over a wide area. Raw-material fluid comprising a silane derivative and a hydrocarbon derivative is mixed with carrier fluid comprising carbon dioxide to form a supercritical condition. Further, an active-state is produced in the raw-material fluid of the supercritical fluid by a catalytic reaction with at least one metal catalyst selected from a group consisting of platinum, tungsten, cobalt, nickel, iron or an alloy of each of them. The fluid is blown to the substrate, thereby forming a silicon-containing solid film or a hydrocarbon-containing solid film on the substrate.Type: ApplicationFiled: September 30, 2005Publication date: July 10, 2008Applicants: TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY, ITEC CO., LTD.Inventors: Eizo Watanabe, Toshiyuki Watanabe, Masato Sone, Yoshinori Matsuoka, Hideo Miyake, Masayasu Iida
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Patent number: 7323096Abstract: A method for treating the surface of an object to be treated includes introducing a surface treatment fluid into a reaction vessel (4) capable of receiving an object, introducing-the surface treatment fluid into a separation vessel (14) after the object is subjected to surface treatment, and circulating the surface treatment fluid, from which a contaminant has already been removed, to the reaction vessel (4). At the time of treatment on the surface of the object, a circulation passage for the surface treatment fluid including the reaction vessel (4) is communicated and the surface treatment fluid is constantly circulated through the circulation passage.Type: GrantFiled: October 29, 2002Date of Patent: January 29, 2008Assignees: Asahi Engineering Co., Ltd.Inventors: Hideo Yoshida, Seizo Miyata, Masato Sone, Nobuyoshi Sato
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Patent number: 7300527Abstract: A method for activating the surface of a base material and an apparatus thereof, which is suited to be utilized for pretreatment in electrochemical treatment such as, for example, electroplating or the like, in which the surface of a base material such as metal can be subjected to degreasing treatment and oxide film removing treatment simultaneously, efficiently and rationally, in which productivity can be enhanced and the equipment cost can be reduced, and in which a waste solution can be rationalized so that the solution can be reutilized and the environmental pollution can be prevented. A method for activating the surface of a base material in which the surface of a member to be treated is subjected to degreasing treatment or oxide film removing treatment. Pressurized carbon dioxide is dissolved in a predetermined quantity of water, thereby preparing an oxide film removing solution having a predetermined acidic concentration.Type: GrantFiled: November 6, 2002Date of Patent: November 27, 2007Inventors: Hideo Yoshida, Nobuyoshi Sato, Takeshi Sako, Masato Sone, Kentaro Abe, Kiyohito Sakon
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Patent number: 7201972Abstract: There is provided a metal thin film comprising a metal plate and a diamond particle dispersed in the metal plate. According to the present invention, the metal thin film has a film thickness of 5 nm to 35000 nm. The diamond particle is dispersed almost homogeneously over the direction of the film thickness of the metal thin film. The metal thin film has the diamond particle at a concentration of 1 to 12%.Type: GrantFiled: June 13, 2003Date of Patent: April 10, 2007Inventors: Shigeru Shiozaki, Masato Sone, Hideo Yoshida, Kiyohito Sakon, Tadamasa Fujimura