Patents by Inventor Harumi Satoh
Harumi Satoh 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: 9533279Abstract: A method and an apparatus for manufacturing trichlorosilane are disclosed. A polymer containing high boiling chlorosilane compounds that are generated in a polycrystalline silicon manufacturing process are mixed with hydrogen chloride and introduced into a decomposition furnace. The polymer and the hydrogen chloride are reacted at a temperature of 450° C., and preferably of 450° C. or more and 700° C. or less. Preferably a mixture containing the polymer and hydrogen chloride of 10 to 30 mass % with respect to the weight of the polymer is introduced into the decomposition furnace.Type: GrantFiled: February 26, 2009Date of Patent: January 3, 2017Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Noboru Tachino, Hisayuki Takesue, Harumi Satoh
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Patent number: 8980191Abstract: An apparatus 1 for manufacturing trichlorosilane includes a decomposition furnace 2 into which polymers and hydrogen chloride are introduced, the decomposition furnace 2 includes: a heating device 11 which heats an interior of the decomposition furnace 2; a reaction chamber 4 which is formed in the decomposition furnace; a center tube 3 which is inserted in the reaction chamber 4 along a longitudinal direction of the reaction chamber and has a lower-end opening portion 3a; raw-material-supply pipes 5 and 6 which supplies the polymer and the hydrogen chloride to the reaction chamber 4 at an exterior of the center tube 3; and a gas-discharge pipe 7 which leads out reacted gas from the center tube 3, the apparatus 1 further includes a fin 14 that leads the polymer and the hydrogen chloride to the lower-end opening portion 3a of the center tube 3 so as to stir the polymer and the hydrogen chloride.Type: GrantFiled: January 4, 2012Date of Patent: March 17, 2015Assignee: Mitsubishi Materials CorporationInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Patent number: 8529844Abstract: An apparatus for producing trichlorosilane includes: a decomposing furnace, a heating unit heating the inside of the decomposing furnace, a raw material supplying tube for guiding polymer and hydrogen chloride to be guided to the inner bottom portion of the decomposing furnace, and a gas discharge tube for discharging reaction gas from the top of the reaction chamber provided between the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace, a fin, which guides a fluid mixture of the polymer and the hydrogen chloride supplied from the lower end opening of the raw material supplying tube to be agitated and rise upward in the reaction chamber, and is formed integrally with at least one of the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace.Type: GrantFiled: January 9, 2012Date of Patent: September 10, 2013Assignee: Mitsubishi Materials CorporationInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Publication number: 20120213687Abstract: A method for manufacturing trichlorosilane in which hydrogen chloride and polymers including high-boiling chlorosilanes generated in a polycrystalline silicon manufacture process, a trichlorosilane manufacture process, or a conversion process are introduced into a decomposition furnace and are decomposition reacted at a high temperature, the method including: heating the decomposition furnace and a fin provided in the decomposition furnace; supplying the polymers and the hydrogen chloride to the decomposition furnace from an upper portion thereof so as to react the polymers and the hydrogen chloride by leading to an inner-bottom portion of the decomposition furnace while heating and stirring; and discharging a reacted gas from the inner-bottom portion upwardly above the decomposition furnace through a center of the decomposition furnace.Type: ApplicationFiled: April 27, 2012Publication date: August 23, 2012Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh, Tetsuya Sato
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Publication number: 20120207661Abstract: An apparatus for producing tichlorosilane includes: a decomposing furnace, a heating unit heating the inside of the decomposing furnace, a raw material supplying tube for guiding polymer and hydrogen chloride to be guided to the inner bottom portion of the decomposing furnace, and a gas discharge tube for discharging reaction gas from the top of the reaction chamber provided between the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace, a fin, which guides a fluid mixture of the polymer and the hydrogen chloride supplied from the lower end opening of the raw material supplying tube to be agitated and rise upward in the reaction chamber, and is formed integrally with at least one of the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace.Type: ApplicationFiled: April 26, 2012Publication date: August 16, 2012Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshiyuki ISHII, Eiji KOMAI, Harumi SATOH
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Patent number: 8187551Abstract: An apparatus 1 for manufacturing trichlorosilane includes a decomposition furnace 2 into which polymers and hydrogen chloride are introduced, the decomposition furnace 2 includes: a heating device 11 which heats an interior of the decomposition furnace 2; a reaction chamber 4 which is formed in the decomposition furnace; a center tube 3 which is inserted in the reaction chamber 4 along a longitudinal direction of the reaction chamber and has a lower-end opening portion 3a; raw-material-supply pipes 5 and 6 which supplies the polymer and the hydrogen chloride to the reaction chamber 4 at an exterior of the center tube 3; and a gas-discharge pipe 7 which leads out reacted gas from the center tube 3, the apparatus 1 further includes a fin 14 that leads the polymer and the hydrogen chloride to the lower-end opening portion 3a of the center tube 3 so as to stir the polymer and the hydrogen chloride.Type: GrantFiled: August 3, 2009Date of Patent: May 29, 2012Assignee: Mitsubishi Materials CorporationInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Patent number: 8187552Abstract: An apparatus for producing trichlorosilane includes: a decomposing furnace, a heating unit heating the inside of the decomposing furnace, a raw material supplying tube for guiding polymer and hydrogen chloride to be guided to the inner bottom portion of the decomposing furnace, and a gas discharge tube for discharging reaction gas from the top of the reaction chamber provided between the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace, a fin, which guides a fluid mixture of the polymer and the hydrogen chloride supplied from the lower end opening of the raw material supplying tube to be agitated and rise upward in the reaction chamber, and is formed integrally with at least one of the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace.Type: GrantFiled: August 3, 2009Date of Patent: May 29, 2012Assignee: Mitsubishi Materials CorporationInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Publication number: 20120107190Abstract: An apparatus for producing trichlorosilane includes: a decomposing furnace, a heating unit heating the inside of the decomposing furnace, a raw material supplying tube for guiding polymer and hydrogen chloride to be guided to the inner bottom portion of the decomposing furnace, and a gas discharge tube for discharging reaction gas from the top of the reaction chamber provided between the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace, a fin, which guides a fluid mixture of the polymer and the hydrogen chloride supplied from the lower end opening of the raw material supplying tube to be agitated and rise upward in the reaction chamber, and is formed integrally with at least one of the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace.Type: ApplicationFiled: January 9, 2012Publication date: May 3, 2012Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Publication number: 20120100044Abstract: An apparatus 1 for manufacturing trichlorosilane includes a decomposition furnace 2 into which polymers and hydrogen chloride are introduced, the decomposition furnace 2 includes: a heating device 11 which heats an interior of the decomposition furnace 2; a reaction chamber 4 which is formed in the decomposition furnace; a center tube 3 which is inserted in the reaction chamber 4 along a longitudinal direction of the reaction chamber and has a lower-end opening portion 3a; raw-material-supply pipes 5 and 6 which supplies the polymer and the hydrogen chloride to the reaction chamber 4 at an exterior of the center tube 3; and a gas-discharge pipe 7 which leads out reacted gas from the center tube 3, the apparatus 1 further includes a fin 14 that leads the polymer and the hydrogen chloride to the lower-end opening portion 3a of the center tube 3 so as to stir the polymer and the hydrogen chloride.Type: ApplicationFiled: January 4, 2012Publication date: April 26, 2012Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Publication number: 20100034722Abstract: An apparatus for producing trichlorosilane includes: a decomposing furnace, a heating unit heating the inside of the decomposing furnace, a raw material supplying tube for guiding polymer and hydrogen chloride to be guided to the inner bottom portion of the decomposing furnace, and a gas discharge tube for discharging reaction gas from the top of the reaction chamber provided between the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace, a fin, which guides a fluid mixture of the polymer and the hydrogen chloride supplied from the lower end opening of the raw material supplying tube to be agitated and rise upward in the reaction chamber, and is formed integrally with at least one of the outer peripheral surface of the raw material supplying tube and the inner peripheral surface of the decomposing furnace.Type: ApplicationFiled: August 3, 2009Publication date: February 11, 2010Applicant: Mitsubishi Materials CorporationInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Publication number: 20100034721Abstract: An apparatus 1 for manufacturing trichlorosilane includes a decomposition furnace 2 into which polymers and hydrogen chloride are introduced, the decomposition furnace 2 includes: a heating device 11 which heats an interior of the decomposition furnace 2; a reaction chamber 4 which is formed in the decomposition furnace; a center tube 3 which is inserted in the reaction chamber 4 along a longitudinal direction of the reaction chamber and has a lower-end opening portion 3a; raw-material-supply pipes 5 and 6 which supplies the polymer and the hydrogen chloride to the reaction chamber 4 at an exterior of the center tube 3; and a gas-discharge pipe 7 which leads out reacted gas from the center tube 3, the apparatus 1 further includes a fin 14 that leads the polymer and the hydrogen chloride to the lower-end opening portion 3a of the center tube 3 so as to stir the polymer and the hydrogen chloride.Type: ApplicationFiled: August 3, 2009Publication date: February 11, 2010Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshiyuki Ishii, Eiji Komai, Harumi Satoh
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Publication number: 20090220403Abstract: A method and an apparatus for manufacturing trichlorosilane are disclosed. A polymer containing high boiling chlorosilane compounds that are generated in a polycrystalline silicon manufacturing process are mixed with hydrogen chloride and introduced into a decomposition furnace. The polymer and the hydrogen chloride are reacted at a temperature of 450° C., and preferably of 450° C. or more and 700° C. or less. Preferably a mixture containing the polymer and hydrogen chloride of 10 to 30 mass % with respect to the weight of the polymer is introduced into the decomposition furnace.Type: ApplicationFiled: February 26, 2009Publication date: September 3, 2009Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Noboru Tachino, Hisayuki Takesue, Harumi Satoh
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Patent number: 7325147Abstract: An input power source voltage detecting unit 1 detects the input AC power source voltage on an electronic device, and a country discriminating unit 2 discriminates the country with the electronic device present therein according to the detected voltage. An operation environment presetting unit 5 presets the electronic device to operation environments of the country discriminated by the country discriminating unit 2.Type: GrantFiled: October 30, 2003Date of Patent: January 29, 2008Assignee: NEC Infrontia CorporationInventors: Harumi Satoh, Yoshikazu Kobayashi
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Publication number: 20040088388Abstract: An input power source voltage detecting unit 1 detects the input AC power source voltage on an electronic device, and a country discriminating unit 2 discriminates the country with the electronic device present therein according to the detected voltage. An operation environment presetting unit 5 presets the electronic device to operation environments of the country discriminated by the country discriminating unit 2.Type: ApplicationFiled: October 30, 2003Publication date: May 6, 2004Applicant: NEC INFRONTIA CORPORATIONInventors: Harumi Satoh, Yoshikazu Kobayashi
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Patent number: 6028076Abstract: This invention relates to novel purine derivatives of formula (I): ##STR1## where R.sup.2 and R.sup.9 are hydrocarbon groups, R.sup.6 is an amino group and R.sup.8 is a hydroxyl, or acyloxy group. These purine derivatives are effective at promoting secretion of interferon in patients, and can be used to treat diseases against which interferon is effective.Type: GrantFiled: March 3, 1998Date of Patent: February 22, 2000Assignee: Japan Energy CorporationInventors: Kohsaku Hirota, Yoshiaki Isobe, Nobuyoshi Chiba, Harumi Satoh, Haruo Takaku, Hiroyuki Matsui, Haruhisa Ogita