Patents by Inventor Hiroo Miyauchi
Hiroo Miyauchi 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: 20230250237Abstract: A polyorganosiloxane may be high in elasticity and/or strength. The polyorganosiloxane may include an M unit (R1R2R3SiO1/2) at a content of 10 mol. % or more relative to the total of silicon and a T unit (R6SiO3/2) at a content of 80 mol. % or less relative to the total of silicon. The polyorganosiloxane may have an alkoxy group bound, at a content of 0.07 to 4 wt. %, based on total polyorganosiloxane weight, and a reactive functional group bound to silicon, with 3 to 12 of the reactive functional groups bound on a number basis per a molecular weight of 1000 of the polyorganosiloxane. The weight loss of the polyorganosiloxane at 110° C. under 0.15 torr for 2 hours may be 5 wt. % or less.Type: ApplicationFiled: February 8, 2023Publication date: August 10, 2023Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takumi WATANABE, Noriaki TERADA, Tsuyoshi NAGASAKA, Shogo KOGA, Kazuma INOUE, Kazunari MATSUMURA, Naomi FUJIMORI, Hiroo MIYAUCHI, Akemi HOSOKAWA
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Patent number: 11608415Abstract: Provided are a polyorganosiloxane high in elasticity, high in strength and the like. The polyorganosiloxane is a polyorganosiloxane including an M unit (R1R2R3SiO1/2) at a content of 10% by mol or more relative to the total of silicon and a T unit (R6SiO3/2) at a content of 80% by mol or less relative to the total of silicon, the polyorganosiloxane having an alkoxy group bound and a reactive functional group bound to silicon, wherein the polyorganosiloxane has the alkoxy group bound at a content of 0.07 to 4% by weight based on the total weight of the polyorganosiloxane and has 3 to 12 of the reactive functional groups bound on a number basis per a molecular weight of 1000 of the polyorganosiloxane, and the weight loss of the polyorganosiloxane in heating at 110° C. under a reduced pressure of 0.15 torr for 2 hours is 5% by weight or less.Type: GrantFiled: June 13, 2019Date of Patent: March 21, 2023Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Takumi Watanabe, Noriaki Terada, Tsuyoshi Nagasaka, Shogo Koga, Kazuma Inoue, Kazunari Matsumura, Naomi Fujimori, Hiroo Miyauchi, Akemi Hosokawa
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Publication number: 20190292320Abstract: Provided are a polyorganosiloxane high in elasticity, high in strength and the like. The polyorganosiloxane is a polyorganosiloxane including an M unit (R1R2R3SiO1/2) at a content of 10% by mol or more relative to the total of silicon and a T unit (R6SiO3/2) at a content of 80% by mol or less relative to the total of silicon, the polyorganosiloxane having an alkoxy group bound and a reactive functional group bound to silicon, wherein the polyorganosiloxane has the alkoxy group bound at a content of 0.07 to 4% by weight based on the total weight of the polyorganosiloxane and has 3 to 12 of the reactive functional groups bound on a number basis per a molecular weight of 1000 of the polyorganosiloxane, and the weight loss of the polyorganosiloxane in heating at 110° C. under a reduced pressure of 0.15 torr for 2 hours is 5% by weight or less.Type: ApplicationFiled: June 13, 2019Publication date: September 26, 2019Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takumi WATANABE, Noriaki TERADA, Tsuyoshi NAGASAKA, Shogo KOGA, Kazuma INOUE, Kazunari MATSUMURA, Naomi FUJIMORI, Hiroo MIYAUCHI, Akemi HOSOKAWA
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Patent number: 7998360Abstract: Provided is an electrolyte containing tetrafluoroaluminate ions, which is advantageous in that the electrolyte can be prevented from leaking from both the cathode and the anode in an electrolytic capacitor.Type: GrantFiled: September 29, 2006Date of Patent: August 16, 2011Assignees: Mitsubishi Chemical Corporation, Nippon Chemi-Con CorporationInventors: Masayuki Takeda, Hiroo Miyauchi, Masashi Ozawa
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Publication number: 20090034161Abstract: Provided is an electrolytic capacitor which is advantageous in that an electrolyte is remarkably prevented from leaking from the anode. The present invention is directed to an electrolytic capacitor comprising: a capacitor element which comprises an anode foil with an anode lead means and a cathode foil with a cathode lead means being spirally wound together with a separator disposed therebetween, the capacitor element being impregnated with an electrolyte; a casing for containing therein the capacitor element; and a closure for sealing up an opening portion of the casing, wherein the anode lead means has a ceramic coating layer and/or an insulating synthetic resin layer at least part of the portion in contact with the closure.Type: ApplicationFiled: September 29, 2006Publication date: February 5, 2009Applicants: MITSUBISHI CHEMICAL CORPORATION, NIPPON CHEMI-CON CORPORATIONInventors: Masayuki Takeda, Hiroo Miyauchi, Masashi Ozawa
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Publication number: 20090034160Abstract: Provided is an electrolyte containing tetrafluoroaluminate ions, which is advantageous in that the electrolyte can be prevented from leaking from both the cathode and the anode in an electrolytic capacitor.Type: ApplicationFiled: September 29, 2006Publication date: February 5, 2009Applicants: MITSUBISHI CHEMICAL CORPORATION, NIPPON CHEMI-CON CORPORATIONInventors: Masayuki Takeda, Hiroo Miyauchi, Masashi Ozawa
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Patent number: 7436651Abstract: The present invention provides an electric double layer capacitor which has electrodes made of an alkali-activated carbon, prepared from a graphitic material, useful in manufacturing high-capacitance capacitors and which has an electrolytic solution containing chain carbonate and/or cyclic carbonate. Even if the electric double layer capacitor is used under high-temperature and high-voltage conditions, chain carbonate and/or cyclic carbonate is prevented from being degraded and the amount of generated gas is slight. The electric double layer capacitor has high initial performance and energy density and the performance of the electric double layer capacitor is maintained high.Type: GrantFiled: June 26, 2006Date of Patent: October 14, 2008Assignees: Mitsubishi Chemical Corporation, Honda Motor Co., Ltd.Inventors: Masayuki Takeda, Hideo Nagaoka, Hiroo Miyauchi, Takeshi Fujino, Byoungju Lee
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Patent number: 7397651Abstract: There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.Type: GrantFiled: April 11, 2007Date of Patent: July 8, 2008Assignee: Mitsubishi Chemical CorporationInventors: Masayuki Takeda, Hiroo Miyauchi, Makoto Ue
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Patent number: 7391603Abstract: In an electric double layer capacitor and electrolytic solution, decomposition of at least one of an open-chain carbonate and a cyclic carbonate can be controlled under high temperature conditions, initial performance and maintained ratio of capacitance are superior, and energy density is high, when graphitized alkali-activated carbon is used as an electrode material and at least one of an open-chain carbonate and a cyclic carbonate is used in an organic electrolytic solution. The electric double layer capacitor includes electrodes containing alkali-activated carbon including graphitized carbon material, and an organic electrolytic solution in which a supporting salt is dissolved in solvent including aromatic carboxylate and at least one of an open-chain carbonate and a cyclic carbonate, in which the content of the aromatic carboxylate is not more than 50 weight % relative to the total weight of the solvent.Type: GrantFiled: May 17, 2006Date of Patent: June 24, 2008Assignees: Honda Motor Co., Ltd., Mitsubishi Chemical CorporationInventors: Takeshi Fujino, Byoungju Lee, Masayuki Takeda, Hideo Nagaoka, Hiroo Miyauchi, Daisuke Noda
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Patent number: 7295424Abstract: There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.Type: GrantFiled: April 11, 2007Date of Patent: November 13, 2007Assignee: Mitsubishi Chemical CorporationInventors: Masayuki Takeda, Hiroo Miyauchi, Makoto Ue
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Publication number: 20070188979Abstract: There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.Type: ApplicationFiled: April 11, 2007Publication date: August 16, 2007Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Masayuki Takeda, Hiroo Miyauchi, Makoto Ue
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Publication number: 20070188977Abstract: There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.Type: ApplicationFiled: April 11, 2007Publication date: August 16, 2007Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Masayuki Takeda, Hiroo Miyauchi, Makoto Ue
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Patent number: 7227738Abstract: There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.Type: GrantFiled: October 31, 2003Date of Patent: June 5, 2007Assignee: Mitsubishi Chemical CorporationInventors: Masayuki Takeda, Hiroo Miyauchi, Makoto Ue
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Publication number: 20070002522Abstract: The present invention provides an electric double layer capacitor which has electrodes made of an alkali-activated carbon, prepared from a graphitic material, useful in manufacturing high-capacitance capacitors and which has an electrolytic solution containing chain carbonate and/or cyclic carbonate. Even if the electric double layer capacitor is used under high-temperature and high-voltage conditions, chain carbonate and/or cyclic carbonate is prevented from being degraded and the amount of generated gas is slight. The electric double layer capacitor has high initial performance and energy density and the performance of the electric double layer capacitor is maintained high.Type: ApplicationFiled: June 26, 2006Publication date: January 4, 2007Applicants: MITSUBISHI CHEMICAL CORPORATION, Honda Motor Co., Ltd.Inventors: Masayuki Takeda, Hideo Nagaoka, Hiroo Miyauchi, Takeshi Fujino, Byoungju Lee
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Publication number: 20060262485Abstract: In an electric double layer capacitor and electrolytic solution, decomposition of at least one of an open-chain carbonate and a cyclic carbonate can be controlled under high temperature conditions, initial performance and maintained ratio of capacitance are superior, and energy density is high, when graphitized alkali-activated carbon is used as an electrode material and at least one of an open-chain carbonate and a cyclic carbonate is used in an organic electrolytic solution. The electric double layer capacitor includes electrodes containing alkali-activated carbon including graphitized carbon material, and an organic electrolytic solution in which a supporting salt is dissolved in solvent including aromatic carboxylate and at least one of an open-chain carbonate and a cyclic carbonate, in which the content of the aromatic carboxylate is not more than 50 weight % relative to the total weight of the solvent.Type: ApplicationFiled: May 17, 2006Publication date: November 23, 2006Inventors: Takeshi Fujino, Byoungju Lee, Masayuki Takeda, Hideo Nagaoka, Hiroo Miyauchi, Daisuke Noda
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Publication number: 20060007629Abstract: There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously m used in an aluminum electrolytic capacitor.Type: ApplicationFiled: October 31, 2003Publication date: January 12, 2006Applicant: Mitsubishi Chemical CorporationInventors: Masayuki Takeda, Hiroo Miyauchi, Makoto Ue