Patents by Inventor Masato Kaneko

Masato Kaneko 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).

  • Publication number: 20240021354
    Abstract: Provided is a mold core, a reactor having the mold core, and a manufacturing method of the mold core in which the leg portion connecting surfaces of the yoke portions are aligned at the same height and gaps are prevented from forming between the end surfaces of the leg portions and the leg portion connecting surfaces. The mold core 2 of the reactor 1 is made of a dust core and includes the yoke cores 41 for connecting a plurality of leg portions 32, and the yoke resins 42 for molding the yoke cores 41 by insert molding. The yoke cores 41 are divided into a plurality of core blocks 5 connected in a row without gaps, and the core blocks 5 include leg-portion-side blocks 61 that are connected to the leg portions 32 one-to-one.
    Type: Application
    Filed: July 10, 2023
    Publication date: January 18, 2024
    Inventors: Masato Kaneko, Shigeo UMAHASHI, Kotaro SUZUKI
  • Patent number: 10988653
    Abstract: Provided is a lubricating oil composition for a refrigerator which uses a base oil including as the main component at least one kind of oxygen-containing compounds selected from polyoxyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or monoethers thereof and polyvinyl ethers, polyol esters, and polycarbonates. The lubricating oil composition for a refrigerator is used for a refrigerator that uses, as a refrigerant, a fluorine-containing organic compound, which is a refrigerant applicable to current car air conditioner systems or the like and has a specific polar structure, and has favorable sealing property, a low coefficient of friction factor in a sliding part, and excellent stability as well as excellent compatibility with the refrigerant.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: April 27, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato Kaneko
  • Patent number: 10883871
    Abstract: A sensor unit is for attaching to a vibrating body. The sensor unit includes: a sheet sensor that has a sheet shape and flexibility. The sheet sensor converts vibration that acts in a thickness direction of the sheet sensor to a voltage and outputting the voltage. The sensor unit further includes a first sticking member that includes a soft base material and two adhesive layers. The soft base material has a sheet shape and stress conformability. The two adhesive layers are respectively provided on both surfaces of the soft base material. The first sticking member is attached to one surface of the sheet sensor.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: January 5, 2021
    Assignee: YAMAHA CORPORATION
    Inventor: Masato Kaneko
  • Patent number: 10836973
    Abstract: A refrigerator oil that is excellent in thermal stability and oxidation stability is provided. The refrigerator oil contains at least one compound selected from the group consisting of a polyvinyl ether compound, a polyoxyalkylene glycol compound, and a polyol ester compound and has a Hazen color number according to ASTM D1209-05 of 0 to 10.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: November 17, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato Kaneko
  • Patent number: 10781396
    Abstract: Disclosed herein is a mixed composition for a refrigerator, which contains: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1): CpFrHs, and a refrigerator lubricating oil containing, as a major component, a polyoxyalkylene glycol compound represented by the following general formula (2), and containing an amine compound in an amount of 1.0% by mass or more based on the total amount of the refrigerator lubricating oil: R1—[(OR2)m—OR3]n (2). According to the present disclosure, a mixed composition for a refrigerator can be provided that has a less possibility of autoignition under a high temperature environment even in an unexpected leakage thereof in a refrigerator using a refrigerant containing a slightly flammable refrigerant, and a refrigerator lubricating oil can be provided that is capable of being applied to the mixed composition for a refrigerator.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: September 22, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato Kaneko
  • Patent number: 10662392
    Abstract: The lubricating oil composition for a refrigerator of the present invention is used with a refrigerant containing carbon dioxide, and contains a base oil (A) containing a polyoxyalkylene glycol as a major component, and an alcohol (B) having at least one hydroxy group, in which a total number of the hydroxy group and an ether bond is from 2 to 3 (provided that the number of an ether bond may be 0).
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: May 26, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: So Nakajima, Masato Kaneko, Tetsuhiko Fukanuma, Ryo Matsubara, Yuki Yokoi
  • Patent number: 10557103
    Abstract: The refrigerator lubricating oil of the present invention contains: a base oil containing, as a major component, a polyol ester (A) of a fatty acid (a1) that is a fatty acid having a number of carbon atoms of from 3 to 18 and a polyol (a2) that is selected from neopentyl glycol, trimethylolethane, trimethylolpropane, trimethylolbutane, pentaerythritol, and dipentaerythritol; and a disulfide and/or trisulfide compound (B), and the disulfide and/or trisulfide compound (B) is blended in an amount of from 30 to 10,000 ppm by mass in terms of sulfur equivalent based on the total amount of the refrigerator lubricating oil.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 11, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masato Kaneko, Takahiro Hoshida
  • Patent number: 10544380
    Abstract: Disclosed herein is a mixed composition for a refrigerator, the mixed composition containing: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1): CpFrHs (1), provided that the compound has one or more carbon-carbon unsaturated bond in a molecule; and a refrigerator lubricating oil containing, as a major component, a polyoxyalkylene glycol compound represented by the following general formula (2), and containing a phenothiazine compound in an amount of 1.0% by mass or more based on the total amount of the refrigerator lubricating oil: R1—[(OR2)m—OR3]n (2). A mixed composition for a refrigerator is provided having a lower possibility of autoignition in a high temperature environment even during unexpected leakage in a refrigerator using a refrigerant containing a slightly flammable refrigerant. A refrigerator lubricating oil is provided that is capable of being applied to the mixed composition.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: January 28, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato Kaneko
  • Publication number: 20200024544
    Abstract: Provided is a lubricant composition which is excellent in thermal stability and chemical stability while making it possible to detect a leakage point of the lubricant composition, etc. with a fluorescent agent. The lubricant composition is one containing a base oil (A) and a fused ring compound (B) being fluorescent, having a tri- or higher fused ring, and not having nitrogen, oxygen, and sulfur in a molecule thereof, wherein the fused ring compound (B) is contained in an amount of 0.001 to 1.0% by mass on a basis of the whole amount of the lubricant composition.
    Type: Application
    Filed: October 6, 2017
    Publication date: January 23, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato KANEKO
  • Patent number: 10450531
    Abstract: The lubricating oil composition for a refrigerator according to the present invention is a lubricating oil composition for a refrigerator containing a base oil containing a low-viscosity base oil component having added thereto a polyoxyalkylene glycol compound having a kinetic viscosity at 100° C. that is higher than the low-viscosity base oil component, and the base oil has a kinetic viscosity at 100° C. of 2.4 to 25 mm2/s and a ratio (Mw/Mn) of a weight average molecular weight (Mw) and a number average molecular weight (Mn) of 1.3 to 13.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: October 22, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato Kaneko
  • Patent number: 10443015
    Abstract: Disclosed herein is a mixed composition for a refrigerator, which contains: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1): CpFrHs, and a refrigerator lubricating oil containing, as a major component, a polyoxyalkylene glycol compound represented by the following general formula (2), and containing an amine compound in an amount of 1.0% by mass or more based on the total amount of the refrigerator lubricating oil: R1—[(OR2)m—OR3]n (2). According to the present disclosure, a mixed composition for a refrigerator can be provided that has a less possibility of autoignition under a high temperature environment even in an unexpected leakage thereof in a refrigerator using a refrigerant containing a slightly flammable refrigerant, and a refrigerator lubricating oil can be provided that is capable of being applied to the mixed composition for a refrigerator.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: October 15, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato Kaneko
  • Patent number: 10435641
    Abstract: The mixed composition for a refrigerator of the present invention contains: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1): CpFrHs??(1) wherein p represents an integer of from 2 to 6; r represents an integer of from 1 to 11; and s represents an integer of from 1 to 11, provided that the compound has one or more carbon-carbon unsaturated bond in a molecule, and a refrigerator lubricating oil containing, as a major component, a polyol ester (A) of a fatty acid (a1) that is a fatty acid having a number of carbon atoms of from 9 to 16 and has a content of a fatty acid having a number of carbon atoms of 9 of 50% by mol or more based on the total amount of the fatty acid (a1), and a polyol (a2) that is pentaerythritol and/or dipentaerythritol.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: October 8, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masato Kaneko, Tadashi Kisen, Takahiro Hoshida
  • Publication number: 20190300769
    Abstract: Provided is a lubricating oil composition for a refrigerator which uses a base oil including as the main component at least one kind of oxygen-containing compounds selected from polyoxyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or monoethers thereof and polyvinyl ethers, polyol esters, and polycarbonates. The lubricating oil composition for a refrigerator is used for a refrigerator that uses, as a refrigerant, a fluorine-containing organic compound, which is a refrigerant applicable to current car air conditioner systems or the like and has a specific polar structure, and has favorable sealing property, a low coefficient of friction factor in a sliding part, and excellent stability as well as excellent compatibility with the refrigerant.
    Type: Application
    Filed: June 7, 2019
    Publication date: October 3, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato KANEKO
  • Publication number: 20190264129
    Abstract: The lubricating oil composition for a refrigerator of the present invention is used with a refrigerant containing carbon dioxide, and contains a base oil (A) containing a polyoxyalkylene glycol as a major component, and an alcohol (B) having at least one hydroxy group, in which a total number of the hydroxy group and an ether bond is from 2 to 3 (provided that the number of an ether bond may be 0).
    Type: Application
    Filed: November 18, 2016
    Publication date: August 29, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: So NAKAJIMA, Masato KANEKO, Tetsuhiko FUKANUMA, Ryo MATSUBARA, Yuki YOKOI
  • Publication number: 20190241827
    Abstract: The present invention relates to: a refrigerator oil containing (A) a mineral oil having a kinematic viscosity at 40° C. of 20.00 mm2/s or less, and (B) one or more selected from the group consisting of a vinyl-based polymer, an olefin-based polymer, a diene-based polymer, and copolymers corresponding to these polymers, each having a weight average molecular weight (Mw) of 300 or more and 500,000 or less, a composition for refrigerator containing the refrigerator oil, and a method for producing the refrigerator oil.
    Type: Application
    Filed: November 22, 2017
    Publication date: August 8, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato KANEKO
  • Publication number: 20190233759
    Abstract: The present invention relates to a refrigerator oil containing (A) a mineral oil having a kinematic viscosity at 40° C. of 0.50 mm2/s or more and 8.00 mm2/s or less, (B) a polyphosphate ester-based compound, and (C) a dissolution aid for the component (B).
    Type: Application
    Filed: September 25, 2017
    Publication date: August 1, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masato KANEKO, Tomoya MATSUMOTO, So NAKAJIMA
  • Patent number: 10358590
    Abstract: Provided is a lubricating oil composition for a refrigerator which uses a base oil including as the main component at least one kind of oxygen-containing compounds selected from polyoxyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or monoethers thereof and polyvinyl ethers, polyol esters, and polycarbonates. The lubricating oil composition for a refrigerator is used for a refrigerator that uses, as a refrigerant, a fluorine-containing organic compound, which is a refrigerant applicable to current car air conditioner systems or the like and has a specific polar structure, and has favorable sealing property, a low coefficient of friction factor in a sliding part, and excellent stability as well as excellent compatibility with the refrigerant.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: July 23, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato Kaneko
  • Publication number: 20190137330
    Abstract: A sensor unit is for attaching to a vibrating body. The sensor unit includes: a sheet sensor that has a sheet shape and flexibility. The sheet sensor converts vibration that acts in a thickness direction of the sheet sensor to a voltage and outputting the voltage. The sensor unit further includes a first sticking member that includes a soft base material and two adhesive layers. The soft base material has a sheet shape and stress conformability. The two adhesive layers are respectively provided on both surfaces of the soft base material. The first sticking member is attached to one surface of the sheet sensor.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 9, 2019
    Inventor: Masato KANEKO
  • Patent number: 10196579
    Abstract: The refrigerator oil according to the present invention includes a base oil including an oxygen-containing organic compound and a phosphorus-based compound represented by the following general formula (1). In the formula (1), n represents an integer of 1 to 10; R1 to R8 each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; and Ar represents a divalent hydrocarbon group having 2 to 20 carbon atoms.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: February 5, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoya Matsumoto, Masato Kaneko, Takashi Kondo
  • Publication number: 20180282649
    Abstract: A refrigerator oil that is excellent in thermal stability and oxidation stability is provided. The refrigerator oil contains at least one compound selected from the group consisting of a polyvinyl ether compound, a polyoxyalkylene glycol compound, and a polyol ester compound and has a Hazen color number according to ASTM D1209-05 of 0 to 10.
    Type: Application
    Filed: October 7, 2016
    Publication date: October 4, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato KANEKO