Patents by Inventor Yoshio Taira

Yoshio Taira 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).

  • Copper alloy fastener element and slide fastener
    Patent number: 11246382
    Abstract: Provided is a copper alloy fastener element which improves season cracking resistance by a means different from that of increasing a ratio of a ? phase. The copper alloy fastener element includes a copper-zinc alloy as a base material, the base material having: an apparent zinc content of from 34 to 38%; a dendrite structure; and a ? phase at a ratio of 10% or less.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: February 15, 2022
    Assignee: YKK Corporation
    Inventors: Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Yoshio Taira, Muneyoshi Yokota, Takahiro Fukuyama, Kouta Kido
  • COPPER ALLOY FASTENER ELEMENT AND SLIDE FASTENER
    Publication number: 20210045502
    Abstract: Provided is a copper alloy fastener element which improves season cracking resistance by a means different from that of increasing a ratio of a ? phase. The copper alloy fastener element includes a copper-zinc alloy as a base material, the base material having: an apparent zinc content of from 34 to 38%; a dendrite structure; and a ? phase at a ratio of 10% or less.
    Type: Application
    Filed: October 30, 2020
    Publication date: February 18, 2021
    Inventors: Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Yoshio Taira, Muneyoshi Yokota, Takahiro Fukuyama, Kouta Kido
  • Copper alloy fastener element and slide fastener
    Patent number: 10918171
    Abstract: Provided is a copper alloy fastener element which improves season cracking resistance by a means different from that of increasing a ratio of a ? phase. The copper alloy fastener element includes a copper-zinc alloy as a base material, the base material having: an apparent zinc content of from 34 to 38%; a dendrite structure; and a ? phase at a ratio of 10% or less.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: February 16, 2021
    Inventors: Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Yoshio Taira, Muneyoshi Yokota, Takahiro Fukuyama, Kouta Kido
  • Fastening copper alloy
    Patent number: 10760146
    Abstract: A copper alloy for fastening wherein the alloy has a structure of a mixture of ?-phase and a ?-phase; and wherein the alloy has a composition represented by the general formula: Cubal.ZnaMnb, where bal., a, and b are expressed in % by mass, bal. represents the balance, 34?a?40.5, 0.1?b?6, and inevitable impurities may be contained; and the composition satisfying the equation (1): b?(?8a+300)/7, where 34?a<37.5 and equation (2): b?(?5.5a+225.25)/5, where 35.5?a?40.5.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: September 1, 2020
    Assignee: YKK Corporation
    Inventors: Kouta Kido, Takuya Koizumi, Yasuharu Yoshimura, Takahiro Fukuyama, Atsushi Ogihara, Kouichi Mikado, Jun Kiyohara, Yoshio Taira
  • Copper Alloy Fastener Element and Slide Fastener
    Publication number: 20190269207
    Abstract: Provided is a copper alloy fastener element which improves season cracking resistance by a means different from that of increasing a ratio of a ? phase. The copper alloy fastener element includes a copper-zinc alloy as a base material, the base material having: an apparent zinc content of from 34 to 38%; a dendrite structure; and a ? phase at a ratio of 10% or less.
    Type: Application
    Filed: July 26, 2016
    Publication date: September 5, 2019
    Inventors: Takanori Kumei, Atsushi Ogihara, Chikako Hiromi, Yoshio Taira, Muneyoshi Yokota, Takahiro Fukuyama, Kouta Kido
  • Fastening Copper Alloy
    Publication number: 20150218674
    Abstract: A copper alloy for fastening wherein the alloy has a structure of a mixture of ?-phase and a ?-phase; and wherein the alloy has a composition represented by the general formula: Cubal.ZnaMnb, where bal., a, and b are expressed in % by mass, bal. represents the balance, 34?a?40.5, 0.1?b?6, and inevitable impurities may be contained; and the composition satisfying the equation (1): b?(?8a+300)/7, where 34?a<37.5 and equation (2): b?(?5.5a+225.25)/5, where 35.5?a?40.5.
    Type: Application
    Filed: August 9, 2012
    Publication date: August 6, 2015
    Applicant: YKK Corporation
    Inventors: Kouta Kido, Takuya Koizumi, Yasuharu Yoshimura, Takahiro Fukuyama, Atsushi Ogihara, Kouichi Mikado, Jun Kiyohara, Yoshio Taira