Patents by Inventor Wataru Mio

Wataru Mio 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: 12378700
    Abstract: The present disclosure relates to a flame-retardant fabric that includes a modacrylic fiber and a cellulose fiber. The cellulose fiber is one or more selected from a regenerated cellulose fiber and a natural cellulose fiber. The flame-retardant fabric contains the modacrylic fiber in an amount of 65 to 90 wt % and the cellulose fiber in an amount of 10 to 35 wt % with respect to the overall weight of the fabric. The modacrylic fiber contains a magnesium compound inside the fiber. The flame-retardant fabric contains the magnesium compound in an amount of 2.5 to 4.5 wt %. Afterflame time and afterglow time of the flame-retardant fabric measured using a flammability test based on ISO 15025: 2000 are 2 seconds or less and 2 seconds or less, respectively.
    Type: Grant
    Filed: November 22, 2023
    Date of Patent: August 5, 2025
    Assignee: KANEKA CORPORATION
    Inventors: Motohiro Sato, Akira Ozaki, Wataru Mio
  • Publication number: 20250051980
    Abstract: One or more embodiments of the present invention relate to a flame-retardant fabric containing a modacrylic fiber in an amount of 30 to 60 mass %, a cellulose fiber in an amount of 20 to 50 mass %, and an aramid fiber in an amount of 10 to 20 mass %. The flame-retardant fabric includes a compound containing stannate and zinc in an amount of 1.4 to 5.0 mass % with respect to a total mass of the flame-retardant fabric. The flame-retardant fabric with improved flame retardancy by suppressing the decrease in tear strength of the fabric after combustion and a work clothing including the flame-retardant fabric are provided.
    Type: Application
    Filed: October 28, 2024
    Publication date: February 13, 2025
    Applicant: KANEKA CORPORATION
    Inventors: Keita Uchibori, Wataru Mio
  • Publication number: 20240384446
    Abstract: A flame-retardant modacrylic fiber including a modacrylic copolymer in an amount of 100 parts by mass, and a zinc stannate compound in an amount of 1 to 18 parts by mass, wherein the zinc stannate compound has an average particle size D50 of 0.5 ?m or more is provided. Further, a flame-retardant fiber composite and a flame-retardant work clothing including the flame-retardant modacrylic fiber in an amount of 30 to 80 mass %, and one or more other fibers selected from the group consisting of natural fibers and chemical fibers in an amount of 20 to 70 mass % are provided.
    Type: Application
    Filed: July 18, 2024
    Publication date: November 21, 2024
    Applicant: KANEKA CORPORATION
    Inventors: Wataru Mio, Akira Ozaki, Shinya Nakamura, Keita Uchibori
  • Patent number: 12144389
    Abstract: A flame-retardant fiber composite includes an acrylic fiber A containing an acrylic copolymer and an aramid fiber. The acrylic fiber A is substantially free of an antimony compound, and the flame-retardant fiber composite forms a surface-foamed char layer when burned. A flame-retardant work clothing includes the flame-retardant acrylic fiber. A highly flame-retardant fiber composite and highly flame-retardant work clothing include an acrylic fiber, and are capable of exhibiting high flame retardancy while suppressing environmental impacts caused by a flame retardant.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: November 19, 2024
    Assignee: KANEKA CORPORATION
    Inventors: Akira Ozaki, Shinya Nakamura, Keita Uchibori, Wataru Mio
  • Patent number: 12089676
    Abstract: Provided are an artificial hair and an artificial hair unit that are easier to attach to a head of a user, a wig cap, or the like, and a method for attaching the artificial hair. The present invention provides a configuration including at least two fiber groups and an attachment part having a plurality of annular parts. The two fiber groups spread at least in a first direction, where the attachment part extends in the first direction and is sandwiched between the two fiber groups and sewn onto the two fiber groups, and where the plurality of annular parts are exposed to an outside from between the two fiber groups.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: September 17, 2024
    Assignee: KANEKA CORPORATION
    Inventors: Yaeno Matsuura, Keiko Takechi, Wataru Mio
  • Publication number: 20240240368
    Abstract: A flame-retardant upholstered furniture includes an inner structure, and a flame-blocking fabric that covers the inner structure. The flame-blocking fabric contains flame-retardant modacrylic fibers (A) in an amount of 60 mass % or more and 90 mass % or less, and cellulose fibers (B) in an amount of 10 mass % or more and 40 mass % or less, with respect to the overall mass of the fabric. The flame-retardant modacrylic fibers (A) contain a magnesium compound. The flame-blocking fabric contains the magnesium compound in an amount of 1.5 mass % or more and 13.5 mass % or less with respect to the overall mass of the fabric. Time until both afterflame and afterglow go out of the flame-retardant upholstered furniture is 120 seconds or less when measured through a flammability test based on BS 5852: 2006.
    Type: Application
    Filed: March 22, 2024
    Publication date: July 18, 2024
    Applicant: KANEKA CORPORATION
    Inventors: Wataru Mio, Akira Ozaki, Shinya Nakamura
  • Patent number: 11974620
    Abstract: The present invention provides artificial hair, an artificial hair unit, a method of applying artificial hair, and a method of applying an artificial hair unit, in which a fiber bundle does not hang down under its own weight, rises up, and exhibits excellent appearance with extra volume at a root. Also provided is a configuration including a base material, a plurality of fiber bundles, and a fixing thread. In the configuration, the base material may have a first side extending in a first direction. Each of the plurality of fiber bundles includes a plurality of fiber parts and a connecting part, where the connecting part connects a first end side of each of the plurality of fiber parts and extends in a direction different from an extending direction of the plurality of fiber parts, and where the fixing thread attaches a vicinity of the connecting part to the base material.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: May 7, 2024
    Assignee: KANEKA CORPORATION
    Inventors: Keiko Takechi, Wataru Mio
  • Publication number: 20240102206
    Abstract: The present disclosure relates to a flame-retardant fabric that includes a modacrylic fiber and a cellulose fiber. The cellulose fiber is one or more selected from a regenerated cellulose fiber and a natural cellulose fiber. The flame-retardant fabric contains the modacrylic fiber in an amount of 65 to 90 wt % and the cellulose fiber in an amount of 10 to 35 wt % with respect to the overall weight of the fabric. The modacrylic fiber contains a magnesium compound inside the fiber. The flame-retardant fabric contains the magnesium compound in an amount of 2.5 to 4.5 wt %. Afterflame time and afterglow time of the flame-retardant fabric measured using a flammability test based on ISO 15025: 2000 are 2 seconds or less and 2 seconds or less, respectively.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 28, 2024
    Applicant: KANEKA CORPORATION
    Inventors: Motohiro Sato, Akira Ozaki, Wataru Mio
  • Publication number: 20220167700
    Abstract: A flame-retardant fiber composite includes an acrylic fiber A containing an acrylic copolymer and an aramid fiber. The acrylic fiber A is substantially free of an antimony compound, and the flame-retardant fiber composite forms a surface-foamed char layer when burned. A flame-retardant work clothing includes the flame-retardant acrylic fiber. A highly flame-retardant fiber composite and highly flame-retardant work clothing include an acrylic fiber, and are capable of exhibiting high flame retardancy while suppressing environmental impacts caused by a flame retardant.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Applicant: KANEKA CORPORATION
    Inventors: Akira Ozaki, Shinya Nakamura, Keita Uchibori, Wataru Mio
  • Patent number: 11198957
    Abstract: A fabric for arc-protective garments includes first yarns and second yarns different from the first yarns. The first yarns include first modacrylic fibers, and the first modacrylic fibers contain an infrared absorber in an amount of 2.5 wt % or more with respect to a total weight of the first modacrylic fibers. The weight of the infrared absorber per unit area in the fabric for arc-protective garments is 0.05 oz/yd2 or more. An arc-protective garment includes the fabric for arc-protective garments.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: December 14, 2021
    Assignee: KANEKA CORPORATION
    Inventors: Motohiro Sato, Yoshitomo Matsumoto, Tatsuro Ohzeki, Wataru Mio, Yasunori Tanaka, Yuto Utsunomiya, Tomoya Matsushima
  • Publication number: 20210235800
    Abstract: Provided are an artificial hair and an artificial hair unit that are easier to attach to a head of a user, a wig cap, or the like, and a method for attaching the artificial hair. The present invention provides a configuration including at least two fiber groups and an attachment part having a plurality of annular parts. The two fiber groups spread at least in a first direction, where the attachment part extends in the first direction and is sandwiched between the two fiber groups and sewn onto the two fiber groups, and where the plurality of annular parts are exposed to an outside from between the two fiber groups.
    Type: Application
    Filed: April 21, 2021
    Publication date: August 5, 2021
    Applicant: KANEKA CORPORATION
    Inventors: Yaeno Matsuura, Keiko Takechi, Wataru Mio
  • Publication number: 20210227907
    Abstract: The present invention provides artificial hair, an artificial hair unit, a method of applying artificial hair, and a method of applying an artificial hair unit, in which a fiber bundle does not hang down under its own weight, rises up, and exhibits excellent appearance with extra volume at a root. Also provided is a configuration including a base material, a plurality of fiber bundles, and a fixing thread. In the configuration, the base material may have a first side extending in a first direction. Each of the plurality of fiber bundles includes a plurality of fiber parts and a connecting part, where the connecting part connects a first end side of each of the plurality of fiber parts and extends in a direction different from an extending direction of the plurality of fiber parts, and where the fixing thread attaches a vicinity of the connecting part to the base material.
    Type: Application
    Filed: April 9, 2021
    Publication date: July 29, 2021
    Applicant: KANEKA CORPORATION
    Inventors: Keiko Takechi, Wataru Mio
  • Patent number: 10577724
    Abstract: An arc resistant acrylic fiber includes an acrylic polymer. The arc resistant acrylic fiber also includes an infrared absorber in an amount of 1 wt % to 30 wt % with respect to a total weight of the acrylic polymer.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: March 3, 2020
    Assignee: KANEKA CORPORATION
    Inventors: Tatsuro Ohzeki, Keita Uchibori, Wataru Mio, Yasunori Tanaka, Yuto Utsunomiya
  • Publication number: 20180371647
    Abstract: A fabric for arc-protective garments includes first yarns and second yarns different from the first yarns. The first yarns include first modacrylic fibers, and the first modacrylic fibers contain an infrared absorber in an amount of 2.5 wt % or more with respect to a total weight of the first modacrylic fibers. The weight of the infrared absorber per unit area in the fabric for arc-protective garments is 0.05 oz/yd2 or more. An arc-protective garment includes the fabric for arc-protective garments.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Applicant: Kaneka Corporation
    Inventors: Motohiro Sato, Yoshitomo Matsumoto, Tatsuro Ohzeki, Wataru Mio, Yasunori Tanaka, Yuto Utsunomiya, Tomoya Matsushima
  • Publication number: 20180245244
    Abstract: A pile fabric includes a plurality of pile portions including a long pile portion and a short pile portion. The short pile portion includes first fibers, and the long pile portion includes second fibers including modified cross-section fibers A. The modified cross-section fibers A have one or more cross-sectional shapes selected from the group consisting of C-shaped cross-sectional shapes and H-shaped cross-sectional shapes, and have a single fiber fineness of 15 to 60 dtex.
    Type: Application
    Filed: April 30, 2018
    Publication date: August 30, 2018
    Applicant: Kaneka Corporation
    Inventors: Takao Michinobu, Wataru Mio, Minoru Kuroda
  • Publication number: 20180155868
    Abstract: A pile fabric includes ground yarns constituting a ground structure; pile fibers that are tangled with the ground yarns, the pile fibers including portions standing on a front surface side of the ground structure; and an organically-modified silicone-based softener adhered to the pile fibers located on a back surface side of the pile fabric. The pile fibers include at least one selected from the group consisting of acrylic fibers and modacrylic fibers, and have a softening point lower than a softening point of the ground yarns. The portions standing on the front surface side of the ground structure are not fused to each other, and on a back surface side of the ground structure, at least part of the pile fibers located outside of the ground yarns are fused to each other.
    Type: Application
    Filed: January 30, 2018
    Publication date: June 7, 2018
    Applicant: Kaneka Corporation
    Inventors: Takao Michinobu, Kenji Miyaki, Haruhiko Onishi, Wataru Mio
  • Publication number: 20170295875
    Abstract: An arc resistant acrylic fiber includes an acrylic polymer. The arc resistant acrylic fiber also includes an infrared absorber in an amount of 1 wt % to 30 wt % with respect to a total weight of the acrylic polymer.
    Type: Application
    Filed: July 5, 2017
    Publication date: October 19, 2017
    Applicant: Kaneka Corporation
    Inventors: Tatsuro Ohzeki, Keita Uchibori, Wataru Mio, Yasunori Tanaka, Yuto Utsunomiya
  • Patent number: 9205422
    Abstract: Provided is an ion-exchange fiber including a polymer A obtained by introducing an ion-exchangeable substituent to 100 parts by weight of an acrylic polymer that is obtained by polymerization of a monomer composition containing 30 % by weight or more of acrylonitrile with respect to 100 % by weight of the composition and a polymer B obtained by introducing an ion-exchangeable substituent to 1 part by weight or more and 100 parts by weight or less of an epoxy group-containing polymer. Each ion-exchangeable substituent is introduced by reaction with an amine compound and is an ion-exchangeable substituent derived from the amine compound. A method for producing the ion-exchange fiber is also provided.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: December 8, 2015
    Assignee: KANEKA CORPORATION
    Inventors: Yusuke Hirai, Wataru Mio, Masanobu Tamura, Yoshitomo Matsumoto, Takao Michinobu
  • Publication number: 20150057380
    Abstract: A vinyl chloride-based copolymer porous body contains a vinyl chloride-based copolymer as the main component. The vinyl chloride-based copolymer porous body has continuous pores having a pore size of 0.1 to 40 ?m, the pores have a skeletal diameter of 0.1 to 20 ?m, and the vinyl chloride-based copolymer has a thickness of 1 mm or more. Such a vinyl chloride-based copolymer porous body can be produced by a production method including the steps of: heating and dissolving the vinyl chloride-based copolymer in a solvent to obtain a vinyl chloride-based copolymer solution; cooling the vinyl chloride-based copolymer solution to obtain a precipitated product; and separating and drying the product to obtain a porous body containing the vinyl chloride-based copolymer as the main component.
    Type: Application
    Filed: November 7, 2012
    Publication date: February 26, 2015
    Inventors: Hiroshi Uyama, Wataru Mio, Yusuke Hirai, Kazuhiro Fuke
  • Publication number: 20140048489
    Abstract: Provided is an ion-exchange fiber including a polymer A obtained by introducing an ion-exchangeable substituent to 100 parts by weight of an acrylic polymer that is obtained by polymerization of a monomer composition containing 30% by weight or more of acrylonitrile with respect to 100% by weight of the composition and a polymer B obtained by introducing an ion-exchangeable substituent to 1 part by weight or more and 100 parts by weight or less of an epoxy group-containing polymer. Each ion-exchangeable substituent is introduced by reaction with an amine compound and is an ion-exchangeable substituent derived from the amine compound. A method for producing the ion-exchange fiber is also provided.
    Type: Application
    Filed: April 27, 2012
    Publication date: February 20, 2014
    Applicant: KANEKA CORPORATION
    Inventors: Yusuke Hirai, Wataru Mio, Masanobu Tamura, Yoshitomo Matsumoto, Takao Michinobu