Patents by Inventor Tooru Wada
Tooru Wada 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: 11905647Abstract: Used is a method for producing a thermal insulation sheet, including: composite-forming including impregnating a nonwoven fabric with a basic sol prepared by adding a carbonate ester to a water glass composition to form a hydrogel-nonwoven fabric composite; surface-modifying including mixing the composite with a silylating agent for surface modification; and drying including removing liquid contained in the composite through drying at a temperature lower than the critical temperature of the liquid under a pressure lower than the critical pressure of the liquid. Used is a thermal insulation sheet including an aerogel and a nonwoven fabric, where the thermal insulation sheet exhibits a compressibility of 40% or lower at 0.30 to 5.0 MPa.Type: GrantFiled: March 2, 2021Date of Patent: February 20, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuma Oikawa, Tooru Wada, Shinji Okada, Shigeaki Sakatani, Rikako Shono
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Patent number: 11293583Abstract: Heat-insulation materials that can be placed along the lines of heat sources, heat-insulation structures using the same, and processes for producing the same. A heat-insulation material, that includes: fiber sheets that each have fibers and an aerogel and that have different sizes; and at least one covering material that covers the fiber sheets, or at least one elastic material that includes the fiber sheets. The at least one covering material may include a first covering material and a second covering material.Type: GrantFiled: February 14, 2018Date of Patent: April 5, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Daido Kohmyohji, Kazuma Oikawa, Takashi Tsuruta, Tooru Wada, Shigeaki Sakatani, Hidenori Miyakawa
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Publication number: 20210180244Abstract: Used is a method for producing a thermal insulation sheet, including: composite-forming including impregnating a nonwoven fabric with a basic sol prepared by adding a carbonate ester to a water glass composition to form a hydrogel-nonwoven fabric composite; surface-modifying including mixing the composite with a silylating agent for surface modification; and drying including removing liquid contained in the composite through drying at a temperature lower than the critical temperature of the liquid under a pressure lower than the critical pressure of the liquid. Used is a thermal insulation sheet including an aerogel and a nonwoven fabric, where the thermal insulation sheet exhibits a compressibility of 40% or lower at 0.30 to 5.0 MPa.Type: ApplicationFiled: March 2, 2021Publication date: June 17, 2021Inventors: Kazuma OIKAWA, Tooru WADA, Shinji OKADA, Shigeaki SAKATANI, Rikako SHONO
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Patent number: 11015286Abstract: Used is a method for producing a thermal insulation sheet, including: composite-forming including impregnating a nonwoven fabric with a basic sol prepared by adding a carbonate ester to a water glass composition to form a hydrogel-nonwoven fabric composite; surface-modifying including mixing the composite with a silylating agent for surface modification; and drying including removing liquid contained in the composite through drying at a temperature lower than the critical temperature of the liquid under a pressure lower than the critical pressure of the liquid. Used is a thermal insulation sheet including an aerogel and a nonwoven fabric, where the thermal insulation sheet exhibits a compressibility of 40% or lower at 0.30 to 5.0 MPa.Type: GrantFiled: November 30, 2018Date of Patent: May 25, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Kazuma Oikawa, Tooru Wada, Shinji Okada, Shigeaki Sakatani, Rikako Shono
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Publication number: 20200378058Abstract: A manufacturing method of a heat insulating sheet of the present disclosure includes a composite generating step of impregnating a nonwoven fiber with a basic sol prepared to generate a composite of a hydrogel-nonwoven fiber, the basic sol being prepared by adding carbonate ester to a water glass composition; and a drying step of drying a liquid contained in the composite at a temperature lower than a critical temperature of the liquid and a pressure lower than a critical pressure of the liquid to remove the liquid from the composite. A heat insulating sheet according to the present disclosure includes an aerogel and a nonwoven fiber, and has a compression rate at 0.30 MPa to 5.0 MPa of 40% or less. In an electronic device of the present disclosure, the heat insulating sheet is disposed between an electronic component and a housing. In a battery unit of the present disclosure, the heat insulating sheet is disposed between batteries.Type: ApplicationFiled: May 18, 2020Publication date: December 3, 2020Inventors: KAZUMA OIKAWA, TOORU WADA, SHIGEKI SAKAGUCHI, TAKASHI KUBO, TAKASHI TSURUTA, SHIGEAKI SAKATANI, DAIDO KOMYOJI
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Publication number: 20190178434Abstract: A heat insulating material is a sheet including a fiber and an aerogel. The fiber is aligned in a certain direction in the sheet. A heat insulating structure is used that includes: a high-temperature unit; a low-temperature; and the heat insulating material joining the high-temperature unit and the low-temperature to each other. The certain direction of the heat insulating material is a direction in which the high-temperature unit and the low-temperature unit are joined to each other. A heat insulating structure is used that includes: a first battery cell; a second battery cell; the heat insulating material disposed between the first battery cell and the second battery cell; and a cooling plate that is in contact with the first battery cell, the second battery cell, and the heat insulating material.Type: ApplicationFiled: February 13, 2019Publication date: June 13, 2019Inventors: SHIGEAKI SAKATANI, TOORU WADA
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Publication number: 20190161909Abstract: Used is a method for producing a thermal insulation sheet, including: composite-forming including impregnating a nonwoven fabric with a basic sol prepared by adding a carbonate ester to a water glass composition to form a hydrogel-nonwoven fabric composite; surface-modifying including mixing the composite with a silylating agent for surface modification; and drying including removing liquid contained in the composite through drying at a temperature lower than the critical temperature of the liquid under a pressure lower than the critical pressure of the liquid. Used is a thermal insulation sheet including an aerogel and a nonwoven fabric, where the thermal insulation sheet exhibits a compressibility of 40% or lower at 0.30 to 5.0 MPa.Type: ApplicationFiled: November 30, 2018Publication date: May 30, 2019Inventors: Kazuma OIKAWA, Tooru WADA, Shinji OKADA, Shigeaki SAKATANI, Rikako SHONO
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Publication number: 20180245731Abstract: Heat-insulation materials that can be placed along the lines of heat sources, heat-insulation structures using the same, and processes for producing the same. A heat-insulation material, that includes: fiber sheets that each have fibers and an aerogel and that have different sizes; and at least one covering material that covers the fiber sheets, or at least one elastic material that includes the fiber sheets. The at least one covering material may include a first covering material and a second covering material.Type: ApplicationFiled: February 14, 2018Publication date: August 30, 2018Inventors: DAIDO KOHMYOHJI, KAZUMA OIKAWA, TAKASHI TSURUTA, TOORU WADA, SHIGEAKI SAKATANI, HIDENORI MIYAKAWA
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Patent number: 10042092Abstract: A heat-insulation material does not cause deterioration in heat-insulation performance and any loss of components included therein, and possesses an excellent radiation-preventing function. The heat-insulation material includes: a first heat-insulation layer that includes a first silica xerogel and a first radiation-preventing material; and a third heat-insulation layer that includes a third silica xerogel and second fibers, wherein the first heat-insulation layer and the third heat-insulation layer are layered. An electronic device includes the heat-insulation material. Yet further disclosed is a method for producing the heat-insulation material.Type: GrantFiled: July 6, 2017Date of Patent: August 7, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tooru Wada, Shigeaki Sakatani
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Publication number: 20180156550Abstract: An object of the disclosure is to provide heat insulation materials that combine high heat insulation properties realizing effective heat insulation, and flame retardancy realizing prevention of fire spreading, and devices using the same. In order to achieve this object, disclosed are heat insulation materials, including: a silica xerogel; a carbon material; unwoven fabric fibers that retains the silica xerogel, and the carbon material. Further disclosed are devices, including the above-described heat insulation material, wherein the heat insulation material serves as a part of a heat-insulation or refrigeration structure, or is placed between a heat-producing component and a casing.Type: ApplicationFiled: November 17, 2017Publication date: June 7, 2018Inventors: KAZUMA OIKAWA, KEI TOYOTA, SHIGEAKI SAKATANI, DAIDO KOHMYOHJI, TATSUHIRO OOSHIRO, TOORU WADA
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Publication number: 20180024281Abstract: A heat-insulation material does not cause deterioration in heat-insulation performance and any loss of components included therein, and possesses an excellent radiation-preventing function. The heat-insulation material includes: a first heat-insulation layer that includes a fist silica xerogel and a first radiation-preventing material; and a third heat-insulation layer that includes a third silica xerogel and second fibers, wherein the first heat-insulation layer and the third heat-insulation layer are layered. An electronic device includes the heat-insulation, material. Yet further disclosed is a method for producing the heat-insulation material.Type: ApplicationFiled: July 6, 2017Publication date: January 25, 2018Inventors: Tooru WADA, Shigeaki SAKATANI
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Patent number: 8726060Abstract: An adjustment circuit including tri-state circuits is provided between a transmitter circuit and a receiver circuit. Jitter generated by transmission of a signal over a long-distance interconnect is reduced by being converted into jitter of control signals generated by a pulse generator circuit in the tri-state circuits.Type: GrantFiled: January 3, 2012Date of Patent: May 13, 2014Assignee: Panasonic CorporationInventor: Tooru Wada
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Publication number: 20120098353Abstract: An adjustment circuit including tri-state circuits is provided between a transmitter circuit and a receiver circuit. Jitter generated by transmission of a signal over a long-distance interconnect is reduced by being converted into jitter of control signals generated by a pulse generator circuit in the tri-state circuits.Type: ApplicationFiled: January 3, 2012Publication date: April 26, 2012Applicant: Panasonic CorporationInventor: Tooru WADA
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Patent number: 7218160Abstract: A semiconductor integrated circuit according to the present invention comprises a latch circuit, a retaining circuit, and a feedback circuit, wherein the latch circuit inputs therein an input data signal, a clock signal and a feedback signal and outputs an output data signal, the retaining circuit retains the output data signal, and the feedback circuit inputs therein the input data signal and the output data signal to thereby generate the feedback signal based on logic combinations of the input data signal and the output data signal, and an internal operation of the latch circuit is turned on/off by means of the feedback signal.Type: GrantFiled: August 20, 2004Date of Patent: May 15, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Tooru Wada, Masaya Sumita
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Publication number: 20050040873Abstract: A semiconductor integrated circuit according to the present invention comprises a latch circuit, a retaining circuit, and a feedback circuit, wherein the latch circuit inputs therein an input data signal, a clock signal and a feedback signal and outputs an output data signal, the retaining circuit retains the output data signal, and the feedback circuit inputs therein the input data signal and the output data signal to thereby generate the feedback signal based on logic combinations of the input data signal and the output data signal, and an internal operation of the latch circuit is turned on/off by means of the feedback signal.Type: ApplicationFiled: August 20, 2004Publication date: February 24, 2005Inventors: Tooru Wada, Masaya Sumita
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Patent number: 4368043Abstract: An adhesive cementing agent is provided for the hard tissues of the human body, which contains a phosphoric or phosphonic acid ester compound containing at least one polymerizable functional group and either a group of the formula ##STR1## or a group of the formula ##STR2## or a high molecular weight compound obtainable by polymerizing the compound either alone or as a comonomer unit. This adhesive cementing agent has a high affinity for the tooth, bone and other hard tissues of the human body and enjoys prolonged stability in wet environments.Type: GrantFiled: May 14, 1980Date of Patent: January 11, 1983Assignee: Kuraray Company, LimitedInventors: Junichi Yamauchi, Eiichi Masuhara, Nobuo Nakabayashi, Kyoichiro Shibatani, Tooru Wada
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Patent number: 4259117Abstract: A dental filling agent is provided, which contains a phosphoric or phosphonic acid ester compound containing at least one polymerizable functional group and either a group of the formula ##STR1## or a group of the formula ##STR2## or a high molecular weight compound obtainable by polymerizing the compound either alone or as a comonomer unit. This agent has a high bonding affinity for the tooth and enjoys prolonged stability in wet environments.Type: GrantFiled: August 25, 1978Date of Patent: March 31, 1981Assignee: Kuraray Co., Ltd.Inventors: Junichi Yamauchi, Eiichi Masuhara, Nobuo Nakabayashi, Kyoichiro Shibatani, Tooru Wada
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Patent number: 4259075Abstract: A tooth cavity is filled by applying to the walls of the tooth cavity a lining composition comprising a phosphoric or phosphonic acid ester compound containing at least one radical polymizerable vinyl group and at least one ##STR1## group, wherein said lining composition contains said phosphoric or phosphonic acid ester compound in a proportion of not less than 0.1 weight percent, as phosphorus, and then filling the remainder of the cavity with a dental filling material which comprises a polymerizable monomer, a filler and a curing agent.Type: GrantFiled: September 24, 1979Date of Patent: March 31, 1981Assignee: Kuraray Co., Ltd.Inventors: Junichi Yamauchi, Eiichi Masuhara, Nobuo Nakabayashi, Kyoichiro Shibatani, Tooru Wada