Patents by Inventor Eiji Kozawa

Eiji Kozawa 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: 11891498
    Abstract: Examples described herein relate to a molded article provided with a resin part formed with a polyolefin resin composite material, the polyolefin resin composite material containing a polyolefin resin and 10 to 150 parts by mass of cellulose based on 100 parts by mass of the polyolefin resin, wherein an area of an aggregate of the cellulose is less than 20,000 ?m2.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: February 6, 2024
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung Kim, Kenichi Suyama, Yasuo Nakajima, Eiji Kozawa
  • Patent number: 11746215
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition containing 5 to 70 parts by mass of cellulose based on 100 parts by mass of the thermoplastic resin and containing an organic peroxide, wherein a tensile strength of a resin molded body formed with the thermoplastic resin composition measured in accordance with JIS K 7161 is 40 MPa or more.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 5, 2023
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung Kim, Kenichi Suyama, Yasuo Nakajima, Eiji Kozawa
  • Patent number: 11629244
    Abstract: A thermoplastic resin composition, containing a thermoplastic synthetic resin, a cellulose in the content of 10 to 70 parts by mass with respect to 100 parts by mass of the thermoplastic synthetic resin, and an organic peroxide, in which the tensile strength of a resin composed of the thermoplastic resin composition measured in conformity with JIS K7161 is 40 MPa or more; a cellulose-reinforced thermoplastic resin composition; a molded article of a cellulose-reinforced resin; and a method of producing a cellulose-reinforced thermoplastic resin composition or a molded article.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: April 18, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jae Kyung Kim, Takeshi Yagi, Yasuo Nakajima, Eiji Kozawa
  • Patent number: 11597818
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing thermoplastic resins and cellulose, wherein at least one of the thermoplastic resins is a resin having in a polymer molecule at least one group selected from a group containing a partial structure of an acid anhydride and a group containing an acylated cellulose structure.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: March 7, 2023
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung Kim, Kenichi Suyama, Yasuo Nakajima, Eiji Kozawa
  • Patent number: 11597817
    Abstract: A thermoplastic resin composition, containing a thermoplastic synthetic resin, a cellulose and an ionic compound; in which a content of the cellulose is from 1 to 100 parts by mass, with respect to 100 parts by mass of the thermoplastic synthetic resin, and a content of the ionic compound is 0.001 times or more and less than 1.000 time of the content of the cellulose; a method of producing a thermoplastic resin composition; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: March 7, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD
    Inventors: Eiji Kozawa, Takeshi Yagi, Yasuo Nakajima, Jae Kyung Kim
  • Patent number: 11578192
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The molded article is provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing a thermoplastic resin, cellulose, and an ionic compound, wherein a content of the cellulose is 1 to 100 parts by mass based on 100 parts by mass of the thermoplastic resin, and a content of the ionic compound is 0.001 times or more and less than 1.000 times the content of the cellulose.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: February 14, 2023
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung Kim, Kenichi Suyama, Yasuo Nakajima, Eiji Kozawa
  • Patent number: 11530316
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing thermoplastic resins and cellulose, wherein at least one of the thermoplastic resins is a resin having in a polymer molecule at least one group selected from a group containing a partial structure of an acid anhydride and a group containing an acylated cellulose structure.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: December 20, 2022
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung Kim, Kenichi Suyama, Yasuo Nakajima, Eiji Kozawa
  • Patent number: 11499035
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing thermoplastic resins and cellulose, wherein at least one of the thermoplastic resins is a resin having in a polymer molecule at least one group selected from a group containing a partial structure of an acid anhydride and a group containing an acylated cellulose structure.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: November 15, 2022
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung Kim, Kenichi Suyama, Yasuo Nakajima, Eiji Kozawa
  • Patent number: 11485837
    Abstract: A polyolefin resin composite material, containing: a polyolefin resin; and 10 to 150 parts by mass of cellulose fibers with respect to 100 parts by mass of the polyolefin resin, wherein an area of aggregates of the cellulose fibers is less than 20,000 ?m2; and a method of producing the same.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 1, 2022
    Assignee: FURUKAWA ELECTRONIC CO., LTD.
    Inventors: Jae Kyung Kim, Eiji Kozawa, Yasuo Nakajima, Takeshi Yagi
  • Patent number: 11485841
    Abstract: A polyolefin resin composition, containing: a polyolefin resin; and cellulose microfibrils, in which a content of the cellulose microfibrils is 0.5 to 20 parts by mass, with respect to 100 parts by mass of an entire resin component in the polyolefin resin composition, a molded article and a back door for a vehicle.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: November 1, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Eiji Kozawa, Jae Kyung Kim, Yasuo Nakajima
  • Patent number: 11466140
    Abstract: A method of producing a thermoplastic resin composition containing a thermoplastic synthetic resin and a cellulose, in which at least one type of the thermoplastic synthetic resin is a resin having a group containing a partial structure of an acid anhydride in the polymer molecule; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: October 11, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Eiji Kozawa, Takeshi Yagi, Yasuo Nakajima, Jae Kyung Kim
  • Patent number: 11118047
    Abstract: A glass fiber-reinforced polyolefin resin material, containing: a glass fiber; and a thermoplastic resin, wherein said thermoplastic resin contains: at least, a specific graft-modified polypropylene, wherein, with respect to the graft-modified polypropylene, each specific amounts of the glass fiber and a compound or polymer having an acid anhydride structure are contained, and wherein, in the content of a graft-modification component in the graft-modified polypropylene, the content of a component obtained from the (meth)acrylate containing an epoxy group is 0.5 or more and 10 or less parts by mass with respect to 100 parts by mass of said polypropylene, and a component obtained from the aromatic vinyl compound has a mass equal to or less than said component obtained from the (meth)acrylate; a composition for said resin material; a method of producing the same; and a composite.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: September 14, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Eiji Kozawa, Sinji Satoh, Keiko Chikazawa, Yasuo Nakajima, Takeshi Yagi, Koichi Maeno, Satoshi Takamura
  • Publication number: 20200255630
    Abstract: Examples described herein relate to a molded article provided with a resin part formed with a polyolefin resin composite material, the polyolefin resin composite material containing a polyolefin resin and 10 to 150 parts by mass of cellulose based on 100 parts by mass of the polyolefin resin, wherein an area of an aggregate of the cellulose is less than 20,000 ?m2.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung KIM, Kenichi SUYAMA, Yasuo NAKAJIMA, Eiji KOZAWA
  • Publication number: 20200224007
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The molded article is provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing a thermoplastic resin, cellulose, and an ionic compound, wherein a content of the cellulose is 1 to 100 parts by mass based on 100 parts by mass of the thermoplastic resin, and a content of the ionic compound is 0.001 times or more and less than 1.000 times the content of the cellulose.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung KIM, Kenichi SUYAMA, Yasuo NAKAJIMA, Eiji KOZAWA
  • Publication number: 20200224009
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition containing 5 to 70 parts by mass of cellulose based on 100 parts by mass of the thermoplastic resin and containing an organic peroxide, wherein a tensile strength of a resin molded body formed with the thermoplastic resin composition measured in accordance with JIS K 7161 is 40 MPa or more.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung KIM, Kenichi SUYAMA, Yasuo NAKAJIMA, Eiji KOZAWA
  • Publication number: 20200224008
    Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing thermoplastic resins and cellulose, wherein at least one of the thermoplastic resins is a resin having in a polymer molecule at least one group selected from a group containing a partial structure of an acid anhydride and a group containing an acylated cellulose structure.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Jaekyung KIM, Kenichi SUYAMA, Yasuo NAKAJIMA, Eiji KOZAWA
  • Patent number: 10626229
    Abstract: A polyolefin-based thermoplastic elastomer and a crosslinked body of the same which can undergo a silane-crosslinking process excellent in productivity and have a rubber property required as a substitute material for EPDM is disclosed herein and can use a silane-crosslinkable ethylene-propylene copolymer characterized in that an organic peroxide (B) and a silane coupling agent (C) are compounded with an ethylene-propylene copolymer resin (A) which comprises 5 to 25% by mass of an ethylene component and 75 to 95% by mass of a propylene component, and whose MFR measured at 230° C. and with a load of 2.16 kg applied is 20.0 g/10 min or less. and further a compounded amount of the organic peroxide is 0.1 to 0.6 pts. mass based on 100 pts. mass of the ethylene-propylene copolymer resin (A) and a one-minute half-life temperature of the organic peroxide is 175.2° C. or less.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: April 21, 2020
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA ELECTRIC POWER SYSTEMS CO., LTD.
    Inventors: Jae Kyung Kim, Eiji Kozawa, Masami Tazuke, Yasuo Nakajima, Yutaka Suzuki, Hironobu Hirano
  • Publication number: 20200010654
    Abstract: A polyolefin resin composite material, containing: a polyolefin resin; and 10 to 150 parts by mass of cellulose fibers with respect to 100 parts by mass of the polyolefin resin, wherein an area of aggregates of the cellulose fibers is less than 20,000 ?m2; and a method of producing the same.
    Type: Application
    Filed: September 16, 2019
    Publication date: January 9, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jae Kyung Kim, Eiji Kozawa, Yasuo Nakajima, Takeshi Yagi
  • Publication number: 20190292360
    Abstract: A glass fiber-reinforced polyolefin resin material, containing: a glass fiber; and a thermoplastic resin, wherein said thermoplastic resin contains: at least, a specific graft-modified polypropylene, wherein, with respect to the graft-modified polypropylene, each specific amounts of the glass fiber and a compound or polymer having an acid anhydride structure are contained, and wherein, in the content of a graft-modification component in the graft-modified polypropylene, the content of a component obtained from the (meth)acrylate containing an epoxy group is 0.5 or more and 10 or less parts by mass with respect to 100 parts by mass of said polypropylene, and a component obtained from the aromatic vinyl compound has a mass equal to or less than said component obtained from the (meth)acrylate; a composition for said resin material; a method of producing the same; and a composite.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 26, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Eiji KOZAWA, Sinji SATOH, Keiko CHIKAZAWA, Yasuo NAKAJIMA, Takeshi YAGI, Koichi MAENO, Satoshi TAKAMURA
  • Patent number: 10281212
    Abstract: A fired precast block prevents itself from dropping off early due to corrosion and increases service life of a blast furnace runner, etc. when used in a very vulnerable portion of the blast furnace runner, etc., and can be produced at low costs. The fired precast block has an upper surface to contact molten metal or slag, a lower surface opposing the upper surface, and a plurality of side surface. The fired precast block is used by being embedded in a castable in such a manner that the upper surface is exposed from the castable and the lower surface and the plurality of side surfaces contact the castable. Each side surface of at least one opposing pair of side surfaces includes a planar portion and an uneven portion. The uneven portion has at least one groove-shaped concave portion.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: May 7, 2019
    Assignee: TYK CORPORATION
    Inventors: Kenji Yanagi, Eiji Kozawa