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).

  • Patent number: 10399343
    Abstract: 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 u
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: September 3, 2019
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Ryosuke Suzuki, Manabu Kato, Masahiko Sakuraba, Keisuke Nagai
  • Publication number: 20190245217
    Abstract: 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: Application
    Filed: December 11, 2018
    Publication date: August 8, 2019
    Inventors: Manabu KATO, Haruyuki AONO
  • Publication number: 20190217627
    Abstract: 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: Application
    Filed: January 9, 2019
    Publication date: July 18, 2019
    Inventors: Takahiro ARIMA, Tsuneaki TAKAGISHI, Manabu KATO, Shoki YAMAGUCHI, Satoshi HASEGAWA, Mamoru OKANO
  • Publication number: 20190177250
    Abstract: Provided are an industrially advantageous method for separating and purifying isobutylene, the method enabling high-purity isobutylene to be efficiently obtained by a simple process, and a method for producing isobutylene. A method for separating and purifying isobutylene from a reaction gas containing the isobutylene and unreacted isobutanol, comprising: a step (1) of contacting the reaction gas containing the isobutylene and unreacted isobutanol with a first solvent to obtain a first gas containing the isobutylene and a recovered solution containing the unreacted isobutanol; a step (2) of contacting the first gas with a specific second solvent to allow the second solvent to absorb the isobutylene contained in the first gas to obtain an absorption solution containing the isobutylene; and a step (3) of distilling the absorption solution to obtain separated and purified isobutylene. A method for producing isobutylene using the separation and purification method.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 13, 2019
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shimpei KATO, Daisuke TOMIKAWA, Manabu HOSHINO
  • Patent number: 10115991
    Abstract: 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: Grant
    Filed: November 6, 2014
    Date of Patent: October 30, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideo Naohara, Yuichi Orikasa, Manabu Kato
  • Patent number: 10081724
    Abstract: 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: Grant
    Filed: December 19, 2014
    Date of Patent: September 25, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
  • Publication number: 20180250941
    Abstract: 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 u
    Type: Application
    Filed: August 5, 2016
    Publication date: September 6, 2018
    Inventors: Ryosuke SUZUKI, Manabu KATO, Masahiko SAKURABA, Keisuke NAGAI
  • Patent number: 10040316
    Abstract: 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: Grant
    Filed: April 12, 2016
    Date of Patent: August 7, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
  • Patent number: 10011707
    Abstract: 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: Grant
    Filed: April 13, 2016
    Date of Patent: July 3, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
  • Publication number: 20180118856
    Abstract: 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: Application
    Filed: April 13, 2016
    Publication date: May 3, 2018
    Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO, Hidekazu ONOI
  • Patent number: 9937752
    Abstract: 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: Grant
    Filed: December 19, 2014
    Date of Patent: April 10, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
  • Patent number: 9932462
    Abstract: 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: Grant
    Filed: December 19, 2014
    Date of Patent: April 3, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Manabu Kato, Ryota Takahashi, Takahiro Okamatsu, Yoshiaki Kirino
  • Patent number: 9932417
    Abstract: 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: Grant
    Filed: March 16, 2016
    Date of Patent: April 3, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Ryota Takahashi, Manabu Kato, Takahiro Okamatsu, Yoshiaki Kirino
  • Publication number: 20180086855
    Abstract: 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: Application
    Filed: March 16, 2016
    Publication date: March 29, 2018
    Inventors: Ryota TAKAHASHI, Manabu KATO, Takahiro OKAMATSU, Yoshiaki KIRINO
  • Patent number: 9926438
    Abstract: 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: Grant
    Filed: December 19, 2014
    Date of Patent: March 27, 2018
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Ryota Takahashi, Manabu Kato, Takahiro Okamatsu, Yoshiaki Kirino
  • Publication number: 20180079834
    Abstract: 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: Application
    Filed: March 18, 2016
    Publication date: March 22, 2018
    Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO
  • Publication number: 20180072874
    Abstract: 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: Application
    Filed: April 13, 2016
    Publication date: March 15, 2018
    Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO
  • Publication number: 20180072102
    Abstract: 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: Application
    Filed: April 12, 2016
    Publication date: March 15, 2018
    Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO
  • Publication number: 20180051163
    Abstract: A rubber composition for tire treads contains an inorganic filler containing silica and a diene rubber containing a carboxy-modified polymer. The content of the inorganic filler is from 70 to 170 parts by mass per 100 parts by mass of the diene rubber. The content of the silica is from 70 to 160 parts by mass per 100 parts by mass of the diene rubber. The carboxy-modified polymer is obtained by modifying a styrene-butadiene rubber (A) with a nitrone compound (B) having a carboxy group, and the content of the carboxy-modified polymer in the diene rubber is from 10 to 100 mass %. The content of styrene units in the styrene-butadiene rubber (A) is not less than 36 mass %. The degree of modification of the carboxy-modified polymer is from 0.02 to 4.0 mol %.
    Type: Application
    Filed: March 18, 2016
    Publication date: February 22, 2018
    Inventors: Manabu KATO, Ryota TAKAHASHI, Takahiro OKAMATSU, Yoshiaki KIRINO
  • Patent number: 9879972
    Abstract: A displacement sensor includes: an first yoke that is formed of a soft magnetic body and is annular-shaped; an second yoke that is formed of a soft magnetic body and is annular-shaped, the second yoke having an inner circumferential surface which faces an outer circumferential surface of the first yoke via a gap and arranged coaxially with the first yoke; a magnet that is arranged to be capable of moving in an axial direction in a radial-direction central portion of the first yoke and is magnetized in the axial direction of the first yoke; and a detection element that detects a magnetic flux density which is generated in the gap and is arranged in the gap so that the magnetic flux density is detected along the radial direction of the first yoke.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: January 30, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Manabu Kato