Patents by Inventor Kazushi Kimura

Kazushi Kimura 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: 20210047501
    Abstract: The present technology provide a rubber composition including: 100 parts by mass of a diene rubber, from 30 to 100 parts by mass of carbon black and/or a white filler, from 1 to 20 parts by mass of silicone-based microparticles that have an average particle size from 5 to 500 um and that are three-dimensionally crosslinked, from 0.1 to 10 parts by mass of a nonionic surfactant, and from 1 to 20 parts by mass of thermally expanding microcapsules.
    Type: Application
    Filed: March 11, 2019
    Publication date: February 18, 2021
    Inventors: Hirokazu Kageyama, Kazushi Kimura, Satoshi Mihara, Yutaro Yamamoto
  • Publication number: 20210023880
    Abstract: A rubber composition for a tire according to an embodiment of the present technology includes: 100 parts by mass of a diene rubber and from 1 to 30 parts by mass of a thermally expandable microcapsule composite body, and the thermally expandable microcapsule composite body contains one or more thermally expandable microcapsules and an acrylonitrile butadiene copolymer and/or a crosslinked body thereof covering the one or more thermally expandable microcapsules.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 28, 2021
    Inventors: Hirokazu Kageyama, Kazushi Kimura, Satoshi Mihara, Yutaro Yamamoto
  • Patent number: 10822432
    Abstract: The present invention includes a rubber composition containing a modified diene polymer having a group represented by Formula (I) below and a group represented by Formula (II) below, and silica; and a modified diene polymer and a production method thereof. In Formula (I), X1 represents at least one selected from the group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom, X3 represents a hydrocarbon group, n3 represents from 0 to 4, and X2 represents at least one selected from the group consisting of sulfone-based protecting groups, carbamate-based protecting groups, and —(R—O)n4—H. In Formula (II), R1-1 represents a divalent hydrocarbon group, R1-2 and R1-3 each independently represent a monovalent hydrocarbon group, m1 is from 1 to 3, m2 is from 0 to 2, m1+m2 is 3, and R1-4 represents a hydrogen atom or a hydrocarbon group.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: November 3, 2020
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Hirokazu Kageyama, Kazushi Kimura
  • Patent number: 10815587
    Abstract: The present invention aims to provide a sheet of microfiber assembly having a high filtering performance suitable as an oil-mist filter. A sheet of microfiber assembly 2 comprises microfibers 1 each having a fiber diameter of 3,000 nm or less and is formed of a mixture of water-insoluble but alcohol-soluble acetalized polyvinyl alcohol resin and water-insoluble but alcohol-soluble fluorine resin.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: October 27, 2020
    Assignee: KOKEN, LTD.
    Inventors: Yasuhiko Fukasawa, Kazushi Kimura
  • Publication number: 20200316995
    Abstract: The present technology provides a tire rubber composition formed by blending a microparticle composite, which is formed from a solid component of a mixture containing an emulsion of an organic microparticle and a rubber latex, in a sulfur vulcanizable rubber; the emulsion of the organic microparticle being an emulsion containing a microparticle obtained by polymerizing and/or crosslinking at least one selected from the group consisting of polymerizable monomers, and oligomers, prepolymers, and polymers having a reactive functional group and having a molecular weight from 500 to 50000 simultaneously or stepwise in water; and an average particle size of the microparticle being from 0.001 to 100 ?m.
    Type: Application
    Filed: May 19, 2016
    Publication date: October 8, 2020
    Inventors: Hirokazu Kageyama, Kazushi Kimura, Genichiro Shimada, Satoshi Mihara
  • Patent number: 10781300
    Abstract: Provided is a rubber composition containing from 1 to 50 parts by mass of an organic microparticle having an average particle size of 0.001 to 100 ?m and having a crosslinked structure per 100 parts by mass of a diene rubber, the organic microparticle being a crosslinked microparticle of a copolymer formed from at least two types of segments having repeating units that are different each other, the at least two types of segments being formed from an oligomer or prepolymer having a functional group and having a molecular weight of 500 to 20000, and the functional group forming a crosslinked structure between the at least two types of segments.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: September 22, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Kazushi Kimura, Satoshi Mihara, Hirokazu Kageyama
  • Publication number: 20200270420
    Abstract: The present invention provides a rubber composition for a tire, the rubber composition containing: a diene rubber; silica; and a heterocyclic compound (where, the heterocyclic compound does not have a silicon atom) having a hydrocarbon group having from 3 to 30 carbons and at least one type of heterocycle selected from the group consisting of a piperazine ring, a morpholine ring, and a thiomorpholine ring; an average glass transition temperature of the diene rubber being ?50° C. or higher; a content of the silica being from 80 to 200 parts by mass per 100 parts by mass of the diene rubber; and a content of the heterocyclic compound being from 0.5 to 20% by mass with respect to the content of the silica. Such rubber composition has excellent processability, exhibits excellent wet grip performance and has low rolling resistance when the rubber composition is formed into a tire.
    Type: Application
    Filed: September 10, 2018
    Publication date: August 27, 2020
    Inventors: Ayaki KAZARIYA, Makoto ASHIURA, Satoshi MIHARA, Kazushi KIMURA, Hirokazu KAGEYAMA
  • Publication number: 20200255636
    Abstract: An object of the present invention is to provide a rubber composition having excellent processability, a heterocycle-modified glycerin fatty acid ester, and a production method for the heterocycle-modified glycerin fatty acid ester. The present invention includes: a rubber composition containing a rubber, silica, and a heterocycle-modified glycerin fatty acid ester, in which an epoxy group is modified with a heterocyclic compound having a heterocycle having at least one H-N< bond, where the heterocycle is at least one selected from the group consisting of a piperazine ring, a morpholine ring, and a thiomorpholine ring, and the heterocycle may have a substituent; the heterocycle-modified glycerin fatty acid ester; and a production method therefor.
    Type: Application
    Filed: October 23, 2018
    Publication date: August 13, 2020
    Inventors: Hirokazu KAGEYAMA, Kazushi KIMURA
  • Publication number: 20200239603
    Abstract: The present invention includes a rubber composition containing a modified diene polymer having a group represented by Formula (I) below and a group represented by Formula (II) below, and silica; and a modified diene polymer and a production method thereof. In Formula (I), X1 represents at least one selected from the group consisting of a nitrogen atom, an oxygen atom, and a sulfur atom, X3 represents a hydrocarbon group, n3 represents from 0 to 4, and X2 represents at least one selected from the group consisting of sulfone-based protecting groups, carbamate-based protecting groups, and —(R—O)n4—H. In Formula (II), R1-1 represents a divalent hydrocarbon group, R1-2 and R1-3 each independently represent a monovalent hydrocarbon group, m1 is from 1 to 3, m2 is from 0 to 2, m1+m2 is 3, and R1-4 represents a hydrogen atom or a hydrocarbon group.
    Type: Application
    Filed: October 23, 2018
    Publication date: July 30, 2020
    Inventors: Hirokazu KAGEYAMA, Kazushi KIMURA
  • Patent number: 10710407
    Abstract: The present invention provides: a rubber composition for tires which has excellent processability and has excellent low heat build-up when formed into a tire; and a pneumatic tire using the same. The rubber composition for tires of the present invention is a rubber composition for tires, the rubber composition containing a diene rubber (A) and a microparticle (B), a vinyl group content of the diene rubber (A) being from 5 to 35 mass %, the microparticle (B) being a mercapto group-containing organic microparticle in which a crosslinkable oligomer or polymer (b1) is crosslinked, an average particle size of the microparticle (B) being from 1 to 200 ?m, and a content of the microparticle (B) being from 1 to 55 parts by mass per 100 parts by mass of the diene rubber (A).
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: July 14, 2020
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Satoshi Mihara, Kazushi Kimura, Hirokazu Kageyama
  • Patent number: 10570274
    Abstract: A rubber composition for a tire contains: 100 parts by mass of a diene rubber (A); from 30 to 100 parts by mass of a filler (B); from 0.3 to 30 parts by mass of a crosslinkable component (C) that is not miscible with the diene rubber (A); and a fibrillated fiber (D). The fibrillated fiber (D) is dispersed in advance in the crosslinkable component (C) in a proportion of 0.1 to 10 mass % of the crosslinkable component (C), and the crosslinkable component (C) is a polyether-based, polyester-based, polyolefin-based, polycarbonate-based, aliphatic-based, saturated hydrocarbon-based, acrylic-based, or plant-derived polymer or copolymer.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: February 25, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Kazushi Kimura, Naoya Amino, Masaki Sato
  • Patent number: 10557009
    Abstract: In the present technology, a thermally expandable microcapsule complex is blended in a rubber component, the thermally expandable microcapsule complex being obtained by preparing an aqueous solution of a water-soluble polymer having a concentration of 1 to 30 mass %, adding from 5 to 60 parts by mass of cellulose fibers to 100 parts by mass of the aqueous solution to prepare a liquid dispersion (1), adding from 10 to 200 parts by mass of thermally expandable microcapsules to the liquid dispersion (1) to prepare a liquid dispersion 2), and evaporating the moisture content of the liquid dispersion (2).
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 11, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Kazushi Kimura, Hirokazu Kageyama, Masaki Sato
  • Publication number: 20190330448
    Abstract: A rubber composition of the present technology includes: a diene rubber; silica; and a heterocyclic compound (the heterocyclic compound does not have a silicon atom) which includes a hydrocarbon group having from 3 to 30 carbons and at least one type of heterocycle selected from the group consisting of a piperazine ring, a morpholine ring and a thiomorpholine ring, and a content of the silica being from 50 to 200 parts by mass per 100 parts by mass of the diene rubber and a content of the heterocyclic compound being from 0.5 to 20% by mass with respect to the content of the silica.
    Type: Application
    Filed: December 26, 2017
    Publication date: October 31, 2019
    Inventors: Hirokazu Kageyama, Kazushi Kimura
  • Publication number: 20190285638
    Abstract: A cancer test device (1) is provided with: an application unit (40) for applying a staining agent (45), which can selectively stain a product of a cancer-relating gene in a living cell a chromatic color, onto a group of living cells; an imaging unit (10) for imaging the group of living cells having the staining agent (45) applied thereto; and a determination unit (52) for determining the level of malignancy of cancerization of the group of living cells on the basis of the state of the stained expression pattern of the cancer-relating gene in the group of living cells in an image obtained by the aforementioned imaging.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 19, 2019
    Applicant: MIE UNIVERSITY
    Inventors: Akira MIZOGUCHI, Koji TANAKA, Naoyuki KATAYAMA, Tetsuya NOSAKA, Kyosuke TANAKA, Shujie WANG, Aika KAITO, Kousyoku SAI, Kazushi KIMURA
  • Publication number: 20190193488
    Abstract: A tire-wheel assembly includes a run-flat support member disposed on an inner side of a tread portion of a pneumatic tire, wherein the run-flat support member is made from a foamed body and has a height ½ or greater of a cavity height of the pneumatic tire. When an internal pressure of the pneumatic tire is higher than a predetermined air pressure, the run-flat support member does not come into contact with a rim of the wheel, a side portion of the pneumatic tire, or an inner circumferential surface of a bead portion When an internal pressure of the pneumatic tire is equal to or lower than a predetermined air pressure, an inner side of the run-flat support member in a tire radial direction comes into contact with an outer circumference of the rim of the wheel and/or the inner circumferential surface of the bead portion of the pneumatic tire.
    Type: Application
    Filed: June 28, 2017
    Publication date: June 27, 2019
    Applicant: The Yokohama Rubber Co., LTD.
    Inventors: Kazushi Kimura, Genichirou Shimada, Hirokazu Kageyama
  • Patent number: 10323611
    Abstract: A protection member fixed to an engine main body to protect a fuel feeding pipe from coming into contact with an intake part includes a first protrusion protruding in an extending direction of the fuel feeding pipe from the vicinity of a first fastening portion, a second protrusion protruding in the same direction as the protruding direction of the first protrusion from the vicinity of a second fastening portion, and a third protrusion protruding in the longitudinal direction from the second protrusion and brought into contact with the engine main body. Hence, load from the intake part is supported by the first and second protrusions in the vicinity of the high-strength first and second fastening portions, and also the load is surely transmitted not only from the first and second fastening portions, but also from the third protrusion to the engine main body.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: June 18, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroki Kassai, Koji Sato, Kazushi Kimura
  • Publication number: 20190176423
    Abstract: A tire-wheel assembly includes a run-flat support member disposed on a rim within a cavity portion of a pneumatic tire and including a support surface formed on an outer circumference; the run-flat support member being a bladder comprising a foamed body therein and being disposed in an annular manner around an outer circumference of the rim.
    Type: Application
    Filed: June 28, 2017
    Publication date: June 13, 2019
    Applicant: The Yokohama Rubber Co., LTD.
    Inventors: Kazushi Kimura, Genichirou Shimada, Hirokazu Kageyama
  • Publication number: 20190062536
    Abstract: Provided is a rubber composition including: (i) a sulfur vulcanizable elastomer, (ii) carbon black and/or a white filler, and (iii) a microparticle having a three-dimensionally crosslinked structure; the microparticle being a microparticle obtained by three-dimensionally crosslinking a polymer formed from an oligomer or prepolymer that has a sulfide bond formed from two or more sulfur atoms in a main chain and/or that has a thiol group.
    Type: Application
    Filed: February 22, 2017
    Publication date: February 28, 2019
    Applicant: The Yokohama Rubber Co., LTD.
    Inventors: Kazushi Kimura, Hirokazu Kageyama, Satoshi Mihara
  • Publication number: 20190048174
    Abstract: Provided is a rubber composition containing from 1 to 50 parts by mass of an organic microparticle having an average particle size of 0.001 to 100 ?m and having a crosslinked structure per 100 parts by mass of a diene rubber, the organic microparticle being a crosslinked microparticle of a copolymer formed from at least two types of segments having repeating units that are different each other, the at least two types of segments being formed from an oligomer or prepolymer having a functional group and having a molecular weight of 500 to 20000, and the functional group forming a crosslinked structure between the at least two types of segments.
    Type: Application
    Filed: February 9, 2017
    Publication date: February 14, 2019
    Inventors: Kazushi Kimura, Satoshi Mihara, Hirokazu Kageyama
  • Publication number: 20180281520
    Abstract: A rubber composition for a tire contains 100 parts by mass of a diene rubber (A) and from 1 to 60 parts by mass of an organic microparticle (B); an average particle size of the organic microparticle (B) being from 0.001 to 100 ?m, the organic microparticle (B) having a complex structure composed of a compatible component that is compatible with the diene rubber (A) and an incompatible component that is not compatible with the diene rubber (A), the complex structure having an inner part in which an amount of the incompatible component is greater than an amount of compatible component, and an outer part which covers at least a part of the inner part and in which the amount of the compatible component is greater than an amount of the incompatible component. A pneumatic tire including such rubber composition has a desirable elongation, rigidity, durability, and wear resistance.
    Type: Application
    Filed: August 26, 2016
    Publication date: October 4, 2018
    Inventors: Kazushi KIMURA, Hirokazu KAGEYAMA, Satoshi MIHARA