Patents by Inventor Daisuke Yahata

Daisuke Yahata 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: 11961715
    Abstract: Described herein is a technique capable of efficiently removing a foreign substance in a reaction tube. According to one aspect of the technique, there is provided a substrate processing apparatus including: a reaction tube in which a substrate is processed; and a substrate retainer including a plurality of support columns configured to support the substrate, wherein at least one among the plurality of the support columns includes: a hollow portion through which an inert gas is supplied; and a gas supply port through which the inert gas is supplied toward an inner wall of the reaction tube.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: April 16, 2024
    Assignee: Kokusai Electric Corporation
    Inventors: Daisuke Hara, Takashi Yahata, Tsuyoshi Takeda, Kenji Ono, Kazuhiko Yamazaki
  • Patent number: 9012340
    Abstract: An airbag fabric, airbag and method for making the airbag fabric, the fabric consisting of warp and weft yarns of synthetic fiber yarn, characterized by satisfying the following requirements: (1) the total fineness of the synthetic fiber yarn is 100 to 700 dtex; (2) Nf/Nw?1.10 wherein, Nw represents the weaving density of warp yarns (yarns/2.54 cm) and Nf represents the weaving density of weft yarns (yarns/2.54 cm); (3) EC1?400N and EC2?400N wherein, EC1 represents the edgecomb resistance (N) in the machine direction, as determined according to ASTM D6479-02, and EC2 represents the edgecomb resistance (N) in the crosswise direction as determined according to ASTM D6479-02; (4) 0.85?EC2/EC1?1.15; and (5) the air permeability, as determined according to the Frajour type method specified in JIS L1096 at a test pressure difference of 19.6 kPa, is 1.0 L/cm2·min or less.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: April 21, 2015
    Assignee: Toray Industries, Inc.
    Inventors: Tomomichi Fujiyama, Daisuke Yahata, Daisuke Yokoi
  • Patent number: 7767120
    Abstract: The present invention relates to multifilament crimped yarn comprising an aliphatic polyester and methods for producing thereof, and to carpets that are manufactured by using the crimped yarn. The present invention provides an aliphatic polyester multifilament crimped yarn for the carpets comprising an aliphatic polyester having a melting point of equal to or higher than 130° C., said multifilament crimped yarn having crimp elongation rate of the multifilament crimped yarn after being processed with boiling water of 3-35% and breaking strength of 1-5 cN/decitex.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: August 3, 2010
    Assignee: Toray Industries, Inc.
    Inventors: Daisuke Yahata, Kazuya Matsumura, Shinnichi Nishihata, Motokatsu Nishimura, Tatsuro Mizuki, Masakatsu Umeda, Takehiko Miyoshi, Kenzo Kubo
  • Publication number: 20100048079
    Abstract: An airbag fabric, airbag and method for making the airbag fabric, the fabric consisting of warp and weft yarns of synthetic fiber yarn, characterized by satisfying the following requirements: (1) the total fineness of the synthetic fiber yarn is 100 to 700 dtex; (2) Nf/Nw?1.10 wherein, Nw represents the weaving density of warp yarns (yarns/2.54 cm) and Nf represents the weaving density of weft yarns (yarns/2.54 cm); (3) EC1?400N and EC2?400N wherein, EC1 represents the edgecomb resistance (N) in the machine direction, as determined according to ASTM D6479-02, and EC2 represents the edgecomb resistance (N) in the crosswise direction as determined according to ASTM D6479-02; (4) 0.85?EC2/EC1?1.15; and (5) the air permeability, as determined according to the Frajour type method specified in JIS L1096 at a test pressure difference of 19.6 kPa, is 1.0 L/cm2·min or less.
    Type: Application
    Filed: June 22, 2007
    Publication date: February 25, 2010
    Inventors: Tomomichi Fujiyama, Daisuke Yahata, Daisuke Yokoi
  • Publication number: 20040191471
    Abstract: The present invention relates to multifilament crimped yarn comprising an aliphatic polyester and methods for producing thereof, and to carpets that are manufactured by using the crimped yarn. The present invention provides an aliphatic polyester multifilament crimped yarn for the carpets comprising an aliphatic polyester having a melting point of equal to or higher than 130° C., said multifilament crimped yarn having crimp elongation rate of the multifilament crimped yarn after being processed with boiling water of 3-35% and breaking strength of 1-5 cN/decitex.
    Type: Application
    Filed: April 2, 2004
    Publication date: September 30, 2004
    Applicant: Toray Industries, Inc.
    Inventors: Daisuke Yahata, Kazuya Matsumura, Shinnichi Nishihata, Motokatsu Nishimura, Tatsuro Mizuki, Masakatsu Umeda, Takehiko Miyoshi, Kenzo Kubo
  • Publication number: 20040182064
    Abstract: The present invention relates to multifilament crimped yarn comprising an aliphatic polyester and methods for producing thereof, and to carpets that are manufactured by using the crimped yarn. The present invention provides an aliphatic polyester multifilament crimped yarn for the carpets comprising an aliphatic polyester having a melting point of equal to or higher than 130° C., said multifilament crimped yarn having crimp elongation rate of the multifilament crimped yarn after being processed with boiling water of 3-35% and breaking strength of 1-5 cN/decitex.
    Type: Application
    Filed: April 2, 2004
    Publication date: September 23, 2004
    Applicant: Toray Industries, Inc.
    Inventors: Daisuke Yahata, Kazuya Matsumura, Shinnichi Nishihata, Motokatsu Nishimura, Tatsuro Mizuki, Masakatsu Umeda, Takehiko Miyoshi, Kenzo Kubo
  • Patent number: 6740401
    Abstract: The present invention relates to multifilament crimped yarn comprising an aliphatic polyester and methods for producing thereof, and to carpets that are manufactured by using the crimped yarn. The present invention provides an aliphatic polyester multifilament crimped yarn for the carpets comprising an aliphatic polyester having a melting point of equal to or higher than 130° C., said multifilament crimped yarn having crimp elongation rate of the multifilament crimped yarn after being processed with boiling water of 3-35% and breaking strength of 1-5 cN/decitex.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: May 25, 2004
    Assignee: Toray Industries, Inc.
    Inventors: Daisuke Yahata, Kazuya Matsumura, Shinnichi Nishihata, Motokatsu Nishimura, Tatsuro Mizuki, Masakatsu Umeda, Takehiko Miyoshi, Kenzo Kubo
  • Publication number: 20040091706
    Abstract: The present invention relates to multifilament crimped yarn comprising an aliphatic polyester and methods for producing thereof, and to carpets that are manufactured by using the crimped yarn. The present invention provides an aliphatic polyester multifilament crimped yarn for the carpets comprising an aliphatic polyester having a melting point of equal to or higher than 130° C., said multifilament crimped yarn having crimped elongation rate of the multifilament crimped yarn after being processed with boiling water of 3-35% and breaking strength of 1-5 cN/decitex.
    Type: Application
    Filed: November 8, 2002
    Publication date: May 13, 2004
    Applicant: Toray Industries, Inc.
    Inventors: Daisuke Yahata, Kazuya Matsumura, Shinnichi Nishihata, Motokatsu Nishimura, Tatsuro Mizuki, Masakatsu Umeda, Takehiko Miyoshi, Kenzo Kubo