Patents by Inventor Katsushige Wanibe

Katsushige Wanibe 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).

  • Crimped yarn, textile fabric, and process for preparing the same
    Patent number: 6276121
    Abstract: Crimped yarns that comprise a conjugate multifilament yarn having unique surface texture, dry touch, and stretchability; woven/knitted products comprising said crimped yarn; and production methods of crimped yarn as a conjugate multifilament yarn comprising polyester polymer components and has (a) number of crimps (CA): 2.5 crests/cm≦CA≦10 crests/cm, (b) number of developed crimps (CB): 8 crests/cm≦CB≦30 crests/cm, (c) shrinkage stress (TS): 0.0882≦TS (cN/dtex)≦0.221, (d) apparent shrinkage percentage (SC): 40%≦SC≦80%, and (e) shrinkage percentage of fiber in boiling water (SW): 2%≦SW≦8%, and produced by subjecting a crimp-forming conjugate multifilament yarn to relaxation-heat treatment.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: August 21, 2001
    Assignee: Toray Industries, Inc.
    Inventors: Keitaro Nabeshima, Katsushige Wanibe, Ryosuke Chono, Hiroaki Tatsumi, Tatsuaki Matsuda, Tsukasa Shiba