Yasushi Iwama

Person

  • Aichi-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Spinning ring

    • Patent number 6,047,533
    • Issue date Apr 11, 2000
    • Nippon Ltd.
    • Yasushi Iwama
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Rotary spinning ring structure

    • Patent number 5,970,698
    • Issue date Oct 26, 1999
    • Howa Machinery, Ltd.
    • Yutaka Tanaka
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Spinning ring structure with an aerodynamic brake member

    • Patent number 5,918,454
    • Issue date Jul 6, 1999
    • Nippo Ltd.
    • Yutaka Tanaka
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Spinning ring

    • Patent number 5,881,546
    • Issue date Mar 16, 1999
    • Nippo Ltd.
    • Yasushi Iwama
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Spinning ring structure

    • Patent number 5,829,239
    • Issue date Nov 3, 1998
    • Nippo Ltd.
    • Yasushi Iwama
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Spinning ring

    • Patent number 5,819,519
    • Issue date Oct 13, 1998
    • Nippo Ltd.
    • Yasushi Iwama
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING