Patents by Inventor Manabu Kato
Manabu Kato 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: 10703108Abstract: An inkjet recording apparatus, which can enhance the reliability of the phase search result to detect the optimal timing when the ink particles are electrically charged by the electrification electrode and secure the stable printing quality, is provided.Type: GrantFiled: January 9, 2019Date of Patent: July 7, 2020Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takahiro Arima, Tsuneaki Takagishi, Manabu Kato, Shoki Yamaguchi, Satoshi Hasegawa, Mamoru Okano
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Publication number: 20200094545Abstract: An object of the present invention is to provide an inkjet recording device capable of adjusting a clearance between prints formed by two nozzles (114, 115), and capable of printing a print content at a high speed. In order to achieve the object, there is provided an inkjet recording device which has two sub-print heads including nozzles (114, 115), charging electrodes (116, 117), deflection electrodes (118, 119), and gutters (120, 121), in which the two nozzles are disposed in a deflection direction of ink particles, and which performs printing on a printed object (124) while moving the printed object (124) relative to the ink particles in a direction substantially perpendicular to the deflection direction of the ink particles, the inkjet recording device having a function for reducing a clearance between print results (125, 126), printed by the two nozzles (114, 115), by controlling a voltage applied to the charging electrodes (116, 117) and a voltage applied to the deflection electrode (118, 119).Type: ApplicationFiled: March 12, 2018Publication date: March 26, 2020Inventors: Tsuneaki TAKAGISHI, Manabu KATO, An KYU
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Publication number: 20190305327Abstract: A fuel cell includes: a membrane electrode assembly; and a separator disposed on one side of the membrane electrode assembly, wherein the separator includes flow path grooves through which reactant gas flows between the separator and the membrane electrode assembly, the flow path grooves include: wavy grooves wavily extending in a first direction and arranged in a second direction orthogonal to the first direction; and a linear groove linearly extending in the first direction, the wavy grooves include: a first wavy groove located closest to the linear groove among the wavy grooves; and a second wavy groove located opposite to the linear groove with respect to the first wavy groove, and amplitude of the first wavy groove is smaller than that of the second wavy groove.Type: ApplicationFiled: March 26, 2019Publication date: October 3, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki OKABE, Manabu KATO
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Patent number: 10399343Abstract: In order to make it possible to inform as apparatus handler through a simple, means of precautions to take in handling ink of the correct ID number when an inputted ink ID number is correct, this inkjet recording apparatus is provided with a print head having; a nozzle part, an ink container that houses ink supplied to the nozzle part, information reading unit for reading information that distinguishes the type of ink accompanying an ink supply container that supplies ink to the ink container, a determination unit for determining from the read information whether the ink housed in the ink supply container is the correct ink, a storage unit for storing ink-related information in correlation with the ink-type-distinguishing information, a stored-information extraction unit for extracting from the storage unit the ink-related information corresponding to the ink-type-distinguishing information read by the information reading unit when the ink is determined to be correct by the determination unit, and a display uType: GrantFiled: August 5, 2016Date of Patent: September 3, 2019Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Ryosuke Suzuki, Manabu Kato, Masahiko Sakuraba, Keisuke Nagai
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Publication number: 20190245217Abstract: A fuel cell stack includes: a membrane electrode assembly; and first and second separators joined to each other, wherein first and third fluid groove portions face each other in a stacking direction in which the membrane electrode assembly and the first and second separators are stacked, second and fourth fluid groove portions face each other in the stacking direction, and first and second coolant groove portions face each other in the stacking direction and define a common coolant flow path.Type: ApplicationFiled: December 11, 2018Publication date: August 8, 2019Inventors: Manabu KATO, Haruyuki AONO
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Publication number: 20190217627Abstract: An inkjet recording apparatus, which can enhance the reliability of the phase search result to detect the optimal timing when the ink particles are electrically charged by the electrification electrode and secure the stable printing quality, is provided.Type: ApplicationFiled: January 9, 2019Publication date: July 18, 2019Inventors: Takahiro ARIMA, Tsuneaki TAKAGISHI, Manabu KATO, Shoki YAMAGUCHI, Satoshi HASEGAWA, Mamoru OKANO
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Patent number: 10115991Abstract: A production method for a fuel cell membrane-electrode assembly which may include the steps of preparing a catalyst ink that contains a metal catalyst nanoparticle of 0.3 nm to 100 nm in primary particle diameter which is not supported on a support, an electrolyte resin, and a water-based solvent and forming a non-supported-catalyst containing catalyst layer by using the catalyst ink, as a catalyst layer that is included in at least one of a fuel electrode side and an oxidant electrode side in the fuel cell membrane-electrode assembly that has a fuel electrode at one surface side of an electrolyte membrane, and an oxidant electrode at another surface side of the electrolyte membrane.Type: GrantFiled: November 6, 2014Date of Patent: October 30, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideo Naohara, Yuichi Orikasa, Manabu Kato
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Patent number: 10081724Abstract: An object of the present invention is to provide a rubber composition for a sidewall having excellent low heat build-up and durability when formed into a tire, and a pneumatic tire using the rubber composition. The rubber composition for a sidewall according to the present invention comprises a diene rubber and carbon black; the diene rubber comprising: a modified polymer obtained by reacting a nitrone compound with double bonds of a conjugated diene polymer; and a natural rubber; a content of the modified polymer in the diene rubber being from 8 to 65 mass %; a nitrogen adsorption specific surface area of the carbon black being from 20 to 60[×103 m2/kg]; and a content of the carbon black being from 30 to 67 parts by mass per 100 parts by mass of the diene rubber.Type: GrantFiled: December 19, 2014Date of Patent: September 25, 2018Assignee: The Yokohama Rubber Co., Ltd.Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
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Publication number: 20180250941Abstract: In order to make it possible to inform as apparatus handler through a simple, means of precautions to take in handling ink of the correct ID number when an inputted ink ID number is correct, this inkjet recording apparatus is provided with a print head having; a nozzle part, an ink container that houses ink supplied to the nozzle part, information reading unit for reading information that distinguishes the type of ink accompanying an ink supply container that supplies ink to the ink container, a determination unit for determining from the read information whether the ink housed in the ink supply container is the correct ink, a storage unit for storing ink-related information in correlation with the ink-type-distinguishing information, a stored-information extraction unit for extracting from the storage unit the ink-related information corresponding to the ink-type-distinguishing information read by the information reading unit when the ink is determined to be correct by the determination unit, and a display uType: ApplicationFiled: August 5, 2016Publication date: September 6, 2018Inventors: Ryosuke SUZUKI, Manabu KATO, Masahiko SAKURABA, Keisuke NAGAI
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Patent number: 10040316Abstract: The present invention is to provide a rubber composition for a tire tread, which can produce a studless tire having both excellent performance on ice and excellent wear resistance, and to provide a studless tire using the rubber composition. The rubber composition for a tire tread of the present invention contains 100 parts by mass of a diene rubber (A) containing a modified butadiene rubber and from 0.5 to 25 parts by mass of thermally expandable microcapsules (B). The modified butadiene rubber is obtained by modifying an unmodified butadiene rubber with a carboxy group-containing nitrone compound. The content of the modified butadiene rubber in the diene rubber (A) is from 20 to 65 mass %.Type: GrantFiled: April 12, 2016Date of Patent: August 7, 2018Assignee: The Yokohama Rubber Co., Ltd.Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
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Patent number: 10011707Abstract: An object of the present invention is to provide a rubber composition having excellent processability while excellent heat build-up reduction effect is maintained; and a pneumatic tire that uses the rubber composition. The rubber composition of the present invention contains: a diene rubber containing from 5 to 70 mass % of a modified butadiene rubber obtained by modifying an unmodified butadiene rubber (A) with a carboxy group-containing nitrone compound (B), the unmodified butadiene rubber (A) containing from 2 to 45 parts by mass of an unmodified low molecular weight butadiene rubber (A1) having from 1.5 to 60 mol % of vinyl bonding and having a number average molecular weight (Mn) of 2000 to 60000 per 100 parts by mass of an unmodified butadiene rubber (A2) having a number average molecular weight (Mn) greater than that of the unmodified low molecular weight butadiene rubber (A1).Type: GrantFiled: April 13, 2016Date of Patent: July 3, 2018Assignee: The Yokohama Rubber Co., Ltd.Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
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Publication number: 20180118856Abstract: The present invention provides a rubber composition and a tire, which provides superior wear resistance and processability while maintaining the wet performance. The present invention provides a rubber composition for a tire including a rubber component including a modified diene rubber with carboxy group modification, silica and a predetermined polysiloxane; wherein the content of the silica is from 60 to 200 parts by mass per 100 parts by mass of the rubber component, the content of the polysiloxane is from 1 to 20 mass % based on the content of the silica, and the content of the modified diene rubber is from 10 to 100 parts by mass per 100 parts by mass of the rubber component. The present invention also provides a tire using the rubber composition.Type: ApplicationFiled: April 13, 2016Publication date: May 3, 2018Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO, Hidekazu ONOI
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Patent number: 9937752Abstract: A rubber composition for coating a fiber cord includes a diene rubber, a carbon black, and a nitrone compound having a carboxy group; the diene rubber includes a natural rubber and a styrene-butadiene rubber and/or a butadiene rubber, wherein a content of the natural rubber in a total of the diene rubber and the nitrone compound is not greater than 65 mass %; a content of the carbon black is 40 to 67 parts by mass per 100 parts by mass of a total of the diene rubber and the nitrone compound; and a content of the nitrone compound is 0.1 to 10 parts by mass per 100 parts by mass of a total of the diene rubber and the nitrone compound. Such rubber composition for coating a fiber cord has excellent low heat build-up when a tire is produced and excellent adhesiveness with carcass cord.Type: GrantFiled: December 19, 2014Date of Patent: April 10, 2018Assignee: The Yokohama Rubber Co., Ltd.Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
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Patent number: 9932417Abstract: The present invention is to provide a compound that can provide a modified polymer exhibiting excellent rigidity, wear resistance, and low heat build-up when used in a rubber composition; a modified polymer obtained by subjecting a polymer to modification with the compound; a rubber composition including the modified polymer; and a tire and a conveyor belt that are produced by using the rubber composition. The compound of the present invention is represented by Formula (M) below.Type: GrantFiled: March 16, 2016Date of Patent: April 3, 2018Assignee: The Yokohama Rubber Co., Ltd.Inventors: Ryota Takahashi, Manabu Kato, Takahiro Okamatsu, Yoshiaki Kirino
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Patent number: 9932462Abstract: A rubber composition for a tire rim cushion or rubber finishing contains a diene rubber and a filler containing a carbon black. The diene rubber contains a natural rubber and/or an isoprene rubber, and a modified polymer that is obtained by reacting a nitrone compound with a double bond of a conjugated diene polymer. The content of the natural rubber and/or the isoprene rubber in the diene rubber is from 30 to 60 mass %, the content of the modified polymer in the diene rubber is from 8 to 70 mass %, the content of the filler is from 60 to 90 parts by mass per 100 parts by mass of the diene rubber, and the nitrogen adsorption specific surface area of the carbon black is from 60 to 150 m2/g. Such rubber composition has excellent low heat build-up and ozone resistance when formed into a tire.Type: GrantFiled: December 19, 2014Date of Patent: April 3, 2018Assignee: The Yokohama Rubber Co., Ltd.Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
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Publication number: 20180086855Abstract: The present invention is to provide a compound that can provide a modified polymer exhibiting excellent rigidity, wear resistance, and low heat build-up when used in a rubber composition; a modified polymer obtained by subjecting a polymer to modification with the compound; a rubber composition including the modified polymer; and a tire and a conveyor belt that are produced by using the rubber composition. The compound of the present invention is represented by (M) below.Type: ApplicationFiled: March 16, 2016Publication date: March 29, 2018Inventors: Ryota TAKAHASHI, Manabu KATO, Takahiro OKAMATSU, Yoshiaki KIRINO
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Patent number: 9926438Abstract: An object of the present invention is to provide a rubber composition for a heavy-load tire having excellent low heat build-up when formed into a tire and excellent flowability of the rubber during vulcanization, and a pneumatic tire produced using the rubber composition. The rubber composition for a heavy-load tire contains a diene rubber and a carbon black; the diene rubber containing: a natural rubber; and a modified polymer obtained by modifying a conjugated diene polymer with a nitrone compound; the content of the natural rubber in the diene rubber being not less than 60 mass %; and the content of the modified polymer in the diene rubber being not greater than 40 mass %; and the content of the carbon black being from 30 to 70 parts by mass per 100 parts by mass of the diene rubber.Type: GrantFiled: December 19, 2014Date of Patent: March 27, 2018Assignee: The Yokohama Rubber Co., Ltd.Inventors: Ryota Takahashi, Manabu Kato, Takahiro Okamatsu, Yoshiaki Kirino
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Publication number: 20180079834Abstract: The present invention provides a rubber composition for tire treads, the rubber composition achieving high rubber hardness and 300% modulus at high temperatures, and excellent dry grip properties when formed into a tire, along with a pneumatic tire obtainable by using the same. The rubber composition for tire treads of the present invention contains carbon black and a diene rubber including a carboxy-modified polymer. The carbon black content is from 80 to 150 parts by mass per 100 parts by mass of the diene rubber. The carboxy-modified polymer is obtained by modifying styrene-butadiene rubber (A) with a nitrone compound having carboxy group (B), and the content of the carboxy-modified polymer in the diene rubber is from 10 to 100 mass %. The content of styrene units in styrene-butadiene rubber (A) is at least 36 mass %. The degree of modification of the carboxy-modified polymer is from 0.02 to 4.0 mol %.Type: ApplicationFiled: March 18, 2016Publication date: March 22, 2018Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO
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Publication number: 20180072102Abstract: The present invention is to provide a rubber composition for a tire tread, which can produce a studless tire having both excellent performance on ice and excellent wear resistance, and to provide a studless tire using the rubber composition. The rubber composition for a tire tread of the present invention contains 100 parts by mass of a diene rubber (A) containing a modified butadiene rubber and from 0.5 to 25 parts by mass of thermally expandable microcapsules (B). The modified butadiene rubber is obtained by modifying an unmodified butadiene rubber with a carboxy group-containing nitrone compound. The content of the modified butadiene rubber in the diene rubber (A) is from 20 to 65 mass %.Type: ApplicationFiled: April 12, 2016Publication date: March 15, 2018Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO
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Publication number: 20180072874Abstract: An object of the present invention is to provide a rubber composition having excellent processability while excellent heat build-up reduction effect is maintained; and a pneumatic tire that uses the rubber composition. The rubber composition of the present invention contains: a diene rubber containing from 5 to 70 mass % of a modified butadiene rubber obtained by modifying an unmodified butadiene rubber (A) with a carboxy group-containing nitrone compound (B), the unmodified butadiene rubber (A) containing from 2 to 45 parts by mass of an unmodified low molecular weight butadiene rubber (A1) having from 1.5 to 60 mol % of vinyl bonding and having a number average molecular weight (Mn) of 2000 to 60000 per 100 parts by mass of an unmodified butadiene rubber (A2) having a number average molecular weight (Mn) greater than that of the unmodified low molecular weight butadiene rubber (A1).Type: ApplicationFiled: April 13, 2016Publication date: March 15, 2018Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO