Patents by Inventor Hidekazu Hara

Hidekazu Hara 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: 11466145
    Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin and a cellulose fiber dispersed in the polyolefin resin, in which the composite material contains the cellulose fiber of 3 mass % or more and less than 70 mass %, and when the composite material is subjected to the abrasion test according to ISO 6722 under the following test conditions, the amount of abrasion after 5,000 reciprocations satisfies the [Formula 1]: (Amount of abrasion [mm] of the cellulose-fiber-dispersing polyolefin resin composite material)<?0.003×(Cellulose effective mass ratio of the cellulose-fiber-dispersing polyolefin resin composite material)+0.3, [Test Conditions for Abrasion Test] Load: 1.7 kg, Needle diameter: ?0.45 mm, Stroke length: 10 mm, Period: 60 reciprocations/min, Test piece: length 38 mm×width 6 mm×thickness 1 mm, Temperature: 23° C.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: October 11, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jirou Hiroishi, Hidekazu Hara, Yuka Sawada, Masami Tazuke, Toshihiro Suzuki
  • Patent number: 11390723
    Abstract: A cellulose-aluminum-dispersing polyethylene resin composite material, in which a cellulose fiber and aluminum are dispersed into a polyethylene resin, wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin, and the cellulose fiber, and wherein water absorption ratio of the composite material satisfies the following formula: (Water absorption ratio)<(cellulose effective mass ratio)2×0.01;??[Formula]: a pellet and a formed body using the composite material, and a method of producing these.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: July 19, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu Hara, Yuka Sawada, Jirou Hiroishi, Masami Tazuke, Toshihiro Suzuki, Shingo Mitsugi
  • Patent number: 11390724
    Abstract: A cellulose-fiber dispersion polyethylene resin composite material, formed by dispersing a cellulose fiber into a polyethylene resin, wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and wherein water absorption ratio satisfies the following formula; and a formed body and a pellet using the same, a production method therefor, and a recycling method for a cellulose-fiber adhesion polyethylene thin film piece. (water absorption ratio)<(cellulose effective mass ratio)2×0.01??[Formula].
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: July 19, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jirou Hiroishi, Hidekazu Hara, Yuka Sawada, Masami Tazuke, Toshihiro Suzuki, Shingo Mitsugi
  • Publication number: 20220162431
    Abstract: A fiber-dispersed resin composite material, containing fiber dispersed in a resin, wherein the content of the fiber in the fiber-dispersed resin composite material is 1 mass % or more and less than 70 mass %, and wherein when a length-weighted average fiber length and a number-averaged fiber length of the fiber as determined under conditions below are set to LL and LN, respectively, LL and LN satisfy [Expression 1-1] below: <Conditions> LL and LN are determined for a dissolution residue obtained by immersing the fiber-dispersed resin composite material in a solvent miscible with the resin in the composite material, in accordance with Pulps-Determination of fiber length by automated optical analysis as specified by ISO 16065 2001, and 1 . 0 ? 1 < ( L ? L / L ? N ) < 1 . 3 ? 0 .
    Type: Application
    Filed: February 14, 2022
    Publication date: May 26, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu HARA, Jae Kyung KIM, Jiro SAKATO, Jirou HIROISHI, Toshihiro SUZUKI, Masami TAZUKE, Masato IKEUCHI, Kyosuke YAMAZAKI, Kentaro YABUNAKA
  • Publication number: 20220162409
    Abstract: A fiber-dispersed resin composite material, containing fiber dispersed in a resin, wherein the content of the fiber in the fiber-dispersed resin composite material is 1 mass % or more and less than 70 mass %, and wherein the fiber-dispersed resin composite material has a maximum color difference A determined under conditions below of 0.05 or more and 6 or less: <Conditions> L*, a*, and b* values in CIE (L*a*b*) color space are measured on a straight line at 8 points with an interval of 1 cm by using a chromameter, and a color difference ?E1 between measurement points linearly adjacent to each other is calculated by [Expression 1-1] below while a maximum value among 7 calculated values for the resulting color difference ?E1 is set as the maximum color difference A, ? ? E ? 1 = [ ( L i + 1 ? - L i ? ) 2 + ( a i + 1 * - a i * ) 2 + ( b i + 1 ? - b i ? ) 2 ] 0 .
    Type: Application
    Filed: February 14, 2022
    Publication date: May 26, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu HARA, Jae Kyung KIM, Jiro SAKATO, Jirou HIROISHI, Toshihiro SUZUKI, Masami TAZUKE, Masato IKEUCHI, Kyosuke YAMAZAKI, Kentaro YABUNAKA
  • Patent number: 11261318
    Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin containing a polypropylene resin, and a cellulose fiber dispersed in the polyolefin resin, in which a proportion of the cellulose fiber is 1 mass part or more and 70 mass parts or less in a total content of 100 mass parts of the polyolefin resin and the cellulose fiber, and the polyolefin resin satisfies the expression: Mz/Mw?4, which is a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw to be obtained by a gel permeation chromatography measurement; a pellet or a formed body using this composite material; and a production method for the composite material.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: March 1, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuka Sawada, Hidekazu Hara, Jirou Hiroishi, Masami Tazuke, Toshihiro Suzuki
  • Patent number: 11242453
    Abstract: A production method comprising: (a) a step of melt-mixing a base resin containing a chlorinated polyethylene; an organic peroxide, an inorganic filler, and a silane coupling agent, in specific ratios, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; (b) a step of mixing the silane master batch obtained in the step (a) with a silanol condensation catalyst, and then forming the resultant mixture; and conducting at least one of the melt-mixing in the step (a) and the mixing in the step (b) is performed in the coexistence of a chloroprene rubber or a polyvinyl chloride; a heat-resistant chlorine-containing crosslinked resin formed body produced by the method, a silane master batch, a mixture and formed body thereof, and a heat-resistant product.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: February 8, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masaki Nishiguchi, Arifumi Matsumura, Hidekazu Hara
  • Publication number: 20220017726
    Abstract: A resin composite material containing a thermoplastic resin, a powder containing a polysaccharide, the powder being dispersed in the thermoplastic resin, and a monosaccharide; and a resin formed body obtained using the same.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu HARA, Jae Kyung KIM, Jiro SAKATO, Jirou HIROISHI, Toshihiro SUZUKI, Masami TAZUKE, Masato IKEUCHI, Kyosuke YAMAZAKI, Kentaro YABUNAKA
  • Patent number: 11203673
    Abstract: A thermoplastic composite material comprising, a fiber bundle having a polypropylene emulsion impregnated therein and having a plurality of reinforcing fibers lined up in a predetermined direction, and satisfies the following conditions (1) to (4); and a formed body: (1) A void content of the thermoplastic composite material is 3% or less, (2) A fiber volume fraction of the thermoplastic composite material is 40% or more and 70% or less, (3) A bending strength of a laminated body, in which a plurality of layers of the thermoplastic composite material has been laminated so that the reinforcing fibers would be lined up in one direction, when bent in the fiber-axis direction and measured in conformity to JIS K7074, is 250 MPa or more, and a bending elastic modulus of the laminated body is 90 GPa or more, and (4) A variation coefficient of the bending strength, when measured at N=5 or more and calculated in conformity to JIS K7074, is within 7%.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: December 21, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Motoko Yoshizaki, Makiko Nakano, Takayori Ito, Yukihiro Ikura, Takahiro Iida, Yasumasa Morishima, Hidekazu Hara
  • Patent number: 11192984
    Abstract: A method for producing a heat-resistant crosslinked fluorocarbon rubber formed body, comprising: (a) a step of melt-kneading 0.003 to 0.5 part by mass of an organic peroxide, 0.5 to 400 parts by mass of an inorganic filler, and more than 2.0 parts by mass and 15.0 parts by mass or less of a silane coupling agent, with respect to 100 parts by mass of a base rubber containing a fluorocarbon rubber, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; a heat-resistant crosslinked fluorocarbon rubber formed body obtained by the method, a silane master batch, a mixture and a formed body thereof, and a heat-resistant product.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: December 7, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masaki Nishiguchi, Arifumi Matsumura, Hidekazu Hara
  • Publication number: 20210309814
    Abstract: A resin composite material, containing a polyolefin resin, and the following (a) and (b) dispersed in the polyolefin resin: (a) resin particles containing cellulose fibers and a resin different from the polyolefin resin, and having a maximum diameter of 10 ?m or more; and (b) resin particles containing a resin different from the polyolefin resin, having a maximum diameter of 10 ?m or more, and having an aspect ratio of 5 or more.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu HARA, Jae Kyung KIM, Jiro SAKATO, Jirou HIROISHI, Toshihiro SUZUKI, Masami TAZUKE, Masato IKEUCHI
  • Publication number: 20210245482
    Abstract: A laminate, containing two or more polyolefin resin layers, wherein at least one polyolefin resin layer (A) contains a cellulose fiber including a cellulose fiber having a fiber length of 0.3 mm or more dispersed in the layer; a content of the cellulose fiber in the polyolefin resin layer (A) is 1% by mass or more and less than 60% by mass; and wherein a polyolefin resin layer (B) different from the polyolefin resin layer (A) is laminated in contact with the polyolefin resin layer (A).
    Type: Application
    Filed: April 9, 2021
    Publication date: August 12, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masami TAZUKE, Toshihiro SUZUKI, Hidekazu HARA, Jirou HIROISHI, Jae Kyung KIM, Masato IKEUCHI, Jiro SAKATO
  • Publication number: 20210221987
    Abstract: A cellulose fiber-dispersing resin composite material, containing a cellulose fiber dispersed in a resin, wherein the cellulose fiber-dispersing resin composite material contains aggregates of the cellulose fiber, and at least a part of the aggregates is an aggregate having an area of 2.0×104 to 1.0×106 ?m2 in a plan view; a formed body using this composite material; and a composite member using this formed body.
    Type: Application
    Filed: April 9, 2021
    Publication date: July 22, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu HARA, Jae Kyung KIM, Jirou HIROISHI, Masami TAZUKE, Toshihiro SUZUKI, Masato IKEUCHI, Jiro SAKATO
  • Publication number: 20210221988
    Abstract: A cellulose fiber-dispersing resin composite material, containing a cellulose fiber dispersed in a resin, in which a content of the cellulose fiber is 1% by mass or more and less than 70% by mass, and LL and LN satisfy the following [Expression 1], when a length weighted average fiber length of the cellulose fiber is taken as LL, and a number average fiber length of the cellulose fiber is taken as LN measured under the following measurement condition; a formed body using this composite material; and a composite member using this formed body. <Measurement Condition> LL and LN are determined for a dissolution residue obtained by immersing the cellulose fiber-dispersing resin composite material in a solvent capable of dissolving the resin in the composite material, in accordance with Pulps-Determination of fiber length by automated optical analysis specified by ISO 16065 2001. 1.1<(LL/LN)<1.
    Type: Application
    Filed: April 9, 2021
    Publication date: July 22, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu HARA, Jirou HIROISHI, Jae Kyung KIM, Masami TAZUKE, Toshihiro SUZUKI, Masato IKEUCHI, Jiro SAKATO
  • Publication number: 20210139664
    Abstract: A cellulose-fiber dispersion polyethylene resin composite material, formed by dispersing a cellulose fiber into a polyethylene resin, wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and wherein water absorption ratio satisfies the following formula; and a formed body and a pellet using the same, a production method therefor, and a recycling method for a cellulose-fiber adhesion polyethylene thin film piece. (water absorption ratio)<(cellulose effective mass ratio)2×0.01??[Formula].
    Type: Application
    Filed: August 23, 2017
    Publication date: May 13, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jirou HIROISHI, Hidekazu HARA, Yuka SAWADA, Masami TAZUKE, Toshihiro SUZUKI, Shingo MITSUGI
  • Patent number: 10703894
    Abstract: A method that has a step (a) of melt-kneading 0.003 to 0.3 part by mass of an organic peroxide, 0.5 to 400 parts by mass of an inorganic filler, and more than 2 parts by mass and 15.0 parts by mass or less of a silane coupling agent, with respect to 100 parts by mass of a resin containing a halogen-containing resin, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; a heat-resistant crosslinked resin formed body obtained by the method, a silane master batch, a mixture and a formed body thereof, and a heat-resistant product.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: July 7, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masaki Nishiguchi, Hidekazu Hara, Arifumi Matsumura
  • Publication number: 20200190305
    Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin containing a polypropylene resin, and a cellulose fiber dispersed in the polyolefin resin, in which a proportion of the cellulose fiber is 1 mass part or more and 70 mass parts or less in a total content of 100 mass parts of the polyolefin resin and the cellulose fiber, and the polyolefin resin satisfies the expression: Mz/Mw?4, which is a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw to be obtained by a gel permeation chromatography measurement; a pellet or a formed body using this composite material; and a production method for the composite material.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuka SAWADA, Hidekazu HARA, Jirou HIROISHI, Masami TAZUKE, Toshihiro SUZUKI
  • Publication number: 20200190299
    Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin and a cellulose fiber dispersed in the polyolefin resin, in which the composite material contains the cellulose fiber of 3 mass % or more and less than 70 mass %, and when the composite material is subjected to the abrasion test according to ISO 6722 under the following test conditions, the amount of abrasion after 5,000 reciprocations satisfies the [Formula 1]: (Amount of abrasion [mm] of the cellulose-fiber-dispersing polyolefin resin composite material)<?0.003×(Cellulose effective mass ratio of the cellulose-fiber-dispersing polyolefin resin composite material)+0.3, [Test Conditions for Abrasion Test] Load: 1.7 kg, Needle diameter: ?0.45 mm, Stroke length: 10 mm, Period: 60 reciprocations/min, Test piece: length 38 mm×width 6 mm×thickness 1 mm, Temperature: 23° C.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jirou HIROISHI, Hidekazu HARA, Yuka SAWADA, Masami TAZUKE, Toshihiro SUZUKI
  • Publication number: 20200190306
    Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin containing a polypropylene resin, and a cellulose fiber dispersed in the polyolefin resin, in which a proportion of the cellulose fiber is 1 mass part or more and 70 mass parts or less in a total content of 100 mass parts of the polyolefin resin and the cellulose fiber, and the water absorption ratio satisfies the following Formula: (Water absorption ratio [%])<(Cellulose effective mass ratio [%])2×0.01; a pellet and a formed body using this composite material; and a production method for this composite material.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu HARA, Jirou HIROISHI, Yuka SAWADA, Masami TAZUKE, Toshihiro SUZUKI
  • Publication number: 20200172684
    Abstract: A cellulose fiber dispersion polyethylene resin composite material formed by dispersing a cellulose fiber into a polyethylene resin, in which a proportion of the above-described cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and the polyethylene resin satisfies a relationship: 1.7>half-width (Log(MH/ML))>1.0 in a molecular weight pattern obtained by gel permeation chromatography measurement, and a formed body and a pellet using the same, a production method therefor, and a recycling method for the cellulose fiber adhesion polyethylene thin film piece.
    Type: Application
    Filed: August 23, 2017
    Publication date: June 4, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jirou HIROISHI, Hidekazu HARA, Yuka SAWADA, Masami TAZUKE, Toshihiro SUZUKI, Shingo MITSUGI