Patents by Inventor Yoshihiro Naruse

Yoshihiro Naruse 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: 20210277194
    Abstract: A fiber-reinforced polymer alloy substrate, in which continuous reinforcing fibers are arranged in parallel and are impregnated with a polymer alloy, is characterized in that: a polymer alloy obtained by combining thermoplastic resins of at least two types is used as the polymer alloy; the fiber volume content is in the range of 40 to 70% by volume; and the dispersion parameter D of the fibers is 90% or more. In the obtained fiber-reinforced polymer alloy substrate, the reinforcing fibers are dispersed with high uniformity, and high mechanical properties and heat resistance are stably exhibited with low variation.
    Type: Application
    Filed: July 9, 2019
    Publication date: September 9, 2021
    Inventors: Masayuki Koshi, Naoya Ouchiyama, Yoshihiro Naruse
  • Publication number: 20210213690
    Abstract: A method produces thermoplastic resin-impregnated sheet-shaped reinforcing fiber bundle obtained by impregnating reinforcing fibers made from continuous fibers with a thermoplastic resin, said method including: an application step in which a sheet-shaped reinforcing fiber bundle obtained by arranging reinforcing fibers made from continuous fibers in one direction is passed through an application section which retains thermoplastic resin, and the thermoplastic resin is applied to the sheet-shaped reinforcing fiber bundle to constitute a thermoplastic resin-impregnated sheet-shaped reinforcing fiber bundle; a further impregnation step in which the applied thermoplastic resin is further impregnated into the inside of the thermoplastic resin-impregnated sheet-shaped reinforcing fiber bundle; and a shaping step in which the thermoplastic resin-impregnated sheet-shaped reinforcing fiber bundle is shaped and solidified by cooling.
    Type: Application
    Filed: August 20, 2019
    Publication date: July 15, 2021
    Inventors: Masayuki Koshi, Shoma Ishida, Yoshihiro Naruse
  • Publication number: 20200369838
    Abstract: A fiber-reinforced thermoplastic resin filament is obtained by impregnating a continuous reinforcing fiber with a thermoplastic resin, and satisfies all of conditions (a) to (c). (a) The volume ratio of a reinforcing fiber in a fiber-reinforced thermoplastic resin filament is 30 to 80%; and the volume ratio of a thermoplastic resin in a fiber-reinforced thermoplastic resin filament is 70 to 20%. (b) The thickness of a fiber-reinforced thermoplastic resin filament is 0.01 to 3 mm. (c) The length of a filament contained in a fiber-reinforced thermoplastic resin filament is 1 m or more.
    Type: Application
    Filed: November 5, 2018
    Publication date: November 26, 2020
    Inventors: Masayuki Koshi, Yoshihiro Naruse, Shoma Ishida
  • Patent number: 10066084
    Abstract: A stampable sheet includes a resin and carbon fiber sheet including fiber bundles of discontinuous carbon fibers, wherein the carbon fiber sheet includes fiber bundles having a bundle width of 50 ?m or greater and opened fibers ranging from fiber bundles having a bundle width less than 50 ?m to fibers obtained by opening to the single-fiber level. When the direction along which the opened fibers have been oriented most is a 0° direction and the range of from the 0° to 90° direction is divided into angular zones, the distribution curve showing the proportion of the number of fiber bundles in each angular zone to that in all angular zones and the distribution curve showing the proportion of the number of opened fibers in each angular zone to that in all angular zones are reverse to each other in terms of gradient of the 0° to 90° direction.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: September 4, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Katsuhiro Miyoshi, Takashi Shimada, Takafumi Hashimoto, Tetsuya Ohara, Yoshihiro Naruse
  • Patent number: 9896563
    Abstract: A spongelike structure or a powder having fibers three-dimensionally arranged therein with high dispersibility, whose apparent density can be designed depending on the purpose or utility, as well as a process producing it. A fiber dispersion in which fibers having a number mean diameter in a predetermined range are dispersed in a dispersion medium, and this fiber dispersion is dried to remove the dispersion medium, thereby, a spongelike structure and a powder are produced.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: February 20, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Yoshihiro Naruse, Satoshi Kondo, Shuichi Nonaka, Keishi Miwa, KaKuji Murakami
  • Patent number: 9616154
    Abstract: A stimuli-responsive material includes a stimuli-responsive polymer, fibers and water, wherein the fibers have a number average diameter of 1 to 900 nm and are present in the stimuli-responsive material in a dispersed state; and a medical material and an anti-adhesive material, each of which includes a stimuli-responsive material including a stimuli-responsive polymer, fibers and water, wherein the fibers have a number average diameter of 1 to 900 nm and are present in the stimuli-responsive material in a dispersed state.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: April 11, 2017
    Assignee: Toray Industries, Inc.
    Inventors: Tomoyuki Horiguchi, Kosaku Takeuchi, Yoshihiro Naruse, Kazuhiro Tanahashi, Makito Yokoe, Kohei Yamashita
  • Publication number: 20160339669
    Abstract: A stampable sheet includes a skin layer and a core layer characterized in that the core layer comprises a thermoplastic resin and a carbon fiber nonwoven sheet having fiber bundles of discontinuous carbon fibers, the carbon fiber nonwoven sheet contains at least five fiber bundles (A) having a bundle width of at least 150 ?m in 100 mm×100 mm of stampable sheet, and the skin layer comprises a thermoplastic resin and a strengthened fiber nonwoven sheet having opened discontinuous strengthened fibers.
    Type: Application
    Filed: January 13, 2015
    Publication date: November 24, 2016
    Inventors: Katsuhiro Miyoshi, Takafumi Hashimoto, Kenta Bamba, Yoshihiro Naruse, Takuro Tokunaga
  • Patent number: 9481770
    Abstract: A carbon fiber composite material which includes a carbon fiber sheet as a reinforcing material and a thermoplastic resin as a matrix resin, the carbon fiber sheet exhibiting a work per areal weight of 1×10?3 to 30×10?3 [(N·mm)/(g/m2)] in a tensile test using a specimen having a width of 25 mm. The carbon fiber composite material exhibits excellent flowability in molding and ensures excellent moldability even when molded into a complicated shape. Further, the composite material can yield a molded product which has high mechanical properties with minimized dispersion, thus being suitable for press molding.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: November 1, 2016
    Assignee: Toray Industries, Inc.
    Inventors: Yoshihiro Naruse, Katsuhiro Miyoshi, Takashi Shimada, Takafumi Hashimoto, Tetsuya Ohara
  • Patent number: 9469740
    Abstract: A carbon-fiber-reinforced plastic prepared by impregnating a matrix resin into a sheet-like base material includes discontinuous carbon fibers, wherein a content ratio of carbon fibers having lengths of 10 mm or longer in the base material is 60 wt % or more relative to a total amount of the carbon fibers, and an average value of orientation degrees of carbon fibers contained in the base material is 2-10.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: October 18, 2016
    Assignee: Toray Industries, Inc.
    Inventors: Takafumi Hashimoto, Hirohito Minowa, Takashi Shimada, Masahiro Hashimoto, Katsuhiro Miyoshi, Yoshihiro Naruse
  • Publication number: 20160053432
    Abstract: A carbon fiber nonwoven fabric in which carbon fibers are sized with an aliphatic compound having a plurality of epoxy groups or a specific aromatic compound; the number average x of carbon fibers forming a carbon fiber bundle, in which the number of carbon fibers forming the carbon fiber bundle is 90 or more, is 90 to 1,000 fibers per bundle among the carbon fiber bundles in the carbon fiber nonwoven fabric; and the standard deviation ? of the number of carbon fibers forming the carbon fiber bundle is 50 to 500.
    Type: Application
    Filed: March 17, 2014
    Publication date: February 25, 2016
    Inventors: Katsuhiro Miyoshi, Takafumi Hashimoto, Yoshihiro Naruse
  • Publication number: 20160017112
    Abstract: A spongelike structure or a powder having fibers three-dimensionally arranged therein with high dispersibility, whose apparent density can be designed depending on the purpose or utility, as well as a process producing it. A fiber dispersion in which fibers having a number mean diameter in a predetermined range are dispersed in a dispersion medium, and this fiber dispersion is dried to remove the dispersion medium, thereby, a spongelike structure and a powder are produced.
    Type: Application
    Filed: September 25, 2015
    Publication date: January 21, 2016
    Inventors: Yoshihiro NARUSE, Satoshi KONDO, Shuichi NONAKA, Keishi MIWA, KaKuji MURAKAMI
  • Publication number: 20150353713
    Abstract: A stampable sheet includes a resin and carbon fiber sheet including fiber bundles of discontinuous carbon fibers, wherein the carbon fiber sheet includes fiber bundles having a bundle width of 50 ?m or greater and opened fibers ranging from fiber bundles having a bundle width less than 50 ?m to fibers obtained by opening to the single-fiber level. When the direction along which the opened fibers have been oriented most is a 0° direction and the range of from the 0° to 90° direction is divided into angular zones, the distribution curve showing the proportion of the number of fiber bundles in each angular zone to that in all angular zones and the distribution curve showing the proportion of the number of opened fibers in each angular zone to that in all angular zones are reverse to each other in terms of gradient of the 0° to 90° direction.
    Type: Application
    Filed: February 19, 2014
    Publication date: December 10, 2015
    Applicant: TORAY INDUSTRIES, INC.,
    Inventors: Katsuhiro Miyoshi, Takashi Shimada, Takafumi Hashimoto, Tetsuya Ohara, Yoshihiro Naruse
  • Publication number: 20150292146
    Abstract: A stampable sheet includes discontinuous carbon fibers and a thermoplastic resin as a matrix resin, wherein viscosity ? of the stampable sheet in a state where the matrix resin in the stampable sheet is molten is ?0??<?0 exp(0.20Vf)(Pa·s), and ratio Z of refined carbon fiber bundles (A) in which Mn/(Ln×D) is less than 8.5×10?1 (mg/mm2) to the total weight of carbon fibers in the stampable sheet is 10?Z<70 (wt %). The configuration makes it possible to provide a stampable sheet provided with a controlled range of conditions, and to achieve both high flowability during molding and high mechanical properties after molding.
    Type: Application
    Filed: October 15, 2013
    Publication date: October 15, 2015
    Inventors: Katsuhiro Miyoshi, Takashi Shimada, Takafumi Hashimoto, Tetsuya Ohara, Yoshihiro Naruse
  • Publication number: 20150183941
    Abstract: A carbon fiber composite material which includes a carbon fiber sheet as a reinforcing material and a thermoplastic resin as a matrix resin, the carbon fiber sheet exhibiting a work per areal weight of 1×10?3 to 30×10?3 [(N·mm)/(g/m2)] in a tensile test using a specimen having a width of 25 mm. The carbon fiber composite material exhibits excellent flowability in molding and ensures excellent moldability even when molded into a complicated shape. Further, the composite material can yield a molded product which has high mechanical properties with minimized dispersion, thus being suitable for press molding.
    Type: Application
    Filed: May 15, 2013
    Publication date: July 2, 2015
    Applicant: Toray Industries, Inc.
    Inventors: Yoshihiro Naruse, Katsuhiro Miyoshi, Takashi Shimada, Takafumi Hashimoto, Tetsuya Ohara
  • Publication number: 20150005409
    Abstract: A stimuli-responsive material includes a stimuli-responsive polymer, fibers and water, wherein the fibers have a number average diameter of 1 to 900 nm and are present in the stimuli-responsive material in a dispersed state; and a medical material and an anti-adhesive material, each of which includes a stimuli-responsive material including a stimuli-responsive polymer, fibers and water, wherein the fibers have a number average diameter of 1 to 900 nm and are present in the stimuli-responsive material in a dispersed state.
    Type: Application
    Filed: January 29, 2013
    Publication date: January 1, 2015
    Inventors: Tomoyuki Horiguchi, Kosaku Takeuchi, Yoshihiro Naruse, Kazuhiro Tanahashi, Makito Yokoe, Kohei Yamashita
  • Patent number: 8895458
    Abstract: An abrasive cloth which comprises an article in a sheet form having, in at least a part thereof, nanofibers comprising a thermoplastic polymer and having a number average single fiber fineness of 1×10?8 to 2×10?4 dtex wherein the sum of single fiber fineness percentages (which is defined in the specification) of a single fiber fineness of 1×10?8 to 2×10?4 dtex is the range of 60% or more, and exhibits a stress at 10% elongation in a longitudinal direction of 5 to 200 N/cm-width; and a method for preparing a nanofiber structure, which comprises providing a nanofiber dispersion having a dispersant and, dispersed therein, nanofibers comprising a thermoplastic polymer and having a number average diameter of 1 to 500 nm, attaching the dispersion to a support, and then removing said dispersant. The above abrasive cloth is excellent in texturing characteristics, and the above method allows the preparation of a nanofiber structure wherein nanofibers form a composite with the support.
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: November 25, 2014
    Assignee: Toray Industries, Inc.
    Inventors: Shuichi Nonaka, Yoshihiro Naruse, Takashi Ochi, Takeo Matsunase
  • Publication number: 20140094555
    Abstract: A carbon-fiber-reinforced plastic prepared by impregnating a matrix resin into a sheet-like base material includes discontinuous carbon fibers, wherein a content ratio of carbon fibers having lengths of 10 mm or longer in the base material is 60 wt % or more relative to a total amount of the carbon fibers, and an average value of orientation degrees of carbon fibers contained in the base material is 2-10.
    Type: Application
    Filed: April 18, 2012
    Publication date: April 3, 2014
    Applicant: Toray Industries, Inc.
    Inventors: Takafumi Hashimoto, Hirohito Minowa, Takashi Shimada, Masahiro Hashimoto, Katsuhiro Miyoshi, Yoshihiro Naruse
  • Patent number: 8501642
    Abstract: This invention provides compound solutions, emulsions and gels excellent in homogeneous dispersibility and long-term dispersion stability and also excellent in the properties as cosmetics, using disarranged nanofibers not limited in either form or polymer, widely applicable and small in the irregularity of single fiber diameter. This invention also provides a method for producing them. Furthermore, this invention provides synthetic papers composed of fibers, small in pore area and uniform in pore size, using disarranged nanofibers, and also provides a method for producing them. This invention provides compound solutions, emulsions, gels and synthetic papers containing disarranged nanofibers of 1 to 500 nm in number average diameter and 60% or more in the sum Pa of single fiber ratios.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: August 6, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Yoshihiro Naruse, Takeo Matsunase, Takashi Ochi, Kakuji Murakami, Shuichi Nonaka
  • Publication number: 20090269563
    Abstract: Provided is a recyclable light reflecting sheet which is excellent in light reflection characteristic regardless of being thin type and is contributing to weight reduction of a display. Provided is a light reflecting sheet comprising a sheet containing a single filament with a number mean diameter of 1 to 1000 nm, and having a light reflectance of 95% or more at a wavelength of 560 nm.
    Type: Application
    Filed: December 19, 2006
    Publication date: October 29, 2009
    Applicant: Toray Industries, Inc. a corporation of Japan,
    Inventors: Yoshihiro Naruse, Shuichi Nonaka, Takashi Ochi, Tai Sasamoto
  • Publication number: 20090060961
    Abstract: An object of the present invention is to provide a spongelike structure or a powder having fibers three-dimensionally arranged therein with high dispersibility, whose apparent density can be designed depending on the purpose or utility, as well as a process producing them. A fiber dispersion in which fibers having a number mean diameter in a predetermined range are dispersed in a dispersion medium, and this fiber dispersion is dried to remove the dispersion medium, thereby, a spongelike structure and a powder are produced.
    Type: Application
    Filed: August 7, 2006
    Publication date: March 5, 2009
    Applicant: TORAY INDUSTRIES INC.
    Inventors: Yoshihiro Naruse, Satoshi Kondo, Shuichi Nonaka, Keishi Miwa, KaKuji Murakami