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Ryukichi Murai

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  • Toyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lock fastener
    • Patent number 5,533,240
    • Issue date Jul 9, 1996
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Attachment ring for a buckle
    • Patent number D363049
    • Issue date Oct 10, 1995
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Cord locking device
    • Patent number 5,454,140
    • Issue date Oct 3, 1995
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lock fastener
    • Patent number 5,451,082
    • Issue date Sep 19, 1995
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Buckle
    • Patent number D360390
    • Issue date Jul 18, 1995
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Swivel hook
    • Patent number D359227
    • Issue date Jun 13, 1995
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • D08 - Tools and hardware
  • Information Patent Grant

    Separable buckle
    • Patent number 5,419,020
    • Issue date May 30, 1995
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Buckle
    • Patent number 5,355,562
    • Issue date Oct 18, 1994
    • Yoshida Kogyo K. K.
    • Hiroshi Matoba
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Buckle
    • Patent number D349871
    • Issue date Aug 23, 1994
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Fastening device
    • Patent number 5,297,321
    • Issue date Mar 29, 1994
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Strap fastener
    • Patent number 5,293,673
    • Issue date Mar 15, 1994
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Buckle
    • Patent number 5,243,741
    • Issue date Sep 14, 1993
    • Yoshida Kogyo K. K.
    • Tsutomu Fudaki
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Buckle
    • Patent number 5,138,751
    • Issue date Aug 18, 1992
    • Yoshida Kogyo K. K.
    • Yutaka Shima
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Adjustable strap fastener
    • Patent number D328044
    • Issue date Jul 21, 1992
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • D11 - Jewelry, symbolic insignia, and ornaments
  • Information Patent Grant

    Buckle
    • Patent number 5,113,556
    • Issue date May 19, 1992
    • Yoshida Kogyo, K.K.
    • Ryukichi Murai
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Unitary swivel hook and air hose support for divers
    • Patent number D308471
    • Issue date Jun 12, 1990
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • D08 - Tools and hardware
  • Information Patent Grant

    Thumb turn latch
    • Patent number 4,893,851
    • Issue date Jan 16, 1990
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Slide fastener
    • Patent number 4,891,867
    • Issue date Jan 9, 1990
    • Yoshida Kogyo K. K.
    • Kiyoshi Takeshima
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Cord lock
    • Patent number 4,839,946
    • Issue date Jun 20, 1989
    • Yoshida Kogyo K. K.
    • Ryukichi Murai
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Slide fastener stringer
    • Patent number 4,562,621
    • Issue date Jan 7, 1986
    • Yoshida Kogyo K. K.
    • Kiyoshi Takeshima
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Concealed slide fastener
    • Patent number 4,143,680
    • Issue date Mar 13, 1979
    • Yoshida Kogyo K.K.
    • Ryukichi Murai
    • A44 - HABERDASHERY JEWELLERY