Patents Assigned to Crane Inc.
  • Patent number: 12686954
    Abstract: An object of the present invention is to provide a method for producing a modified fibroin multifilament excellent in productivity and a multifilament produced by the same. The multifilament of the present invention contains modified fibroin, in which the multifilament has 100 or more constituent single yarns, a coefficient of variation in elastic modulus is 15% or less, a coefficient of variation in strength is 15% or less, and a coefficient of variation in elongation is less than 33%.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: July 21, 2026
    Assignee: CRANE Inc.
    Inventors: Yunosuke Abe, Hideto Ishii, Ryoko Sato, Akito Sato, Hirotada Ando, Hiroshi Kano, Koichi Kotaka, Jun Kobayashi
  • Patent number: 12668896
    Abstract: The present invention aims at providing a blended yarn with which a knitted or woven body, wherein a decrease in tension and stiffness due to moistness is reduced, can be manufactured, even in a case where the blended yarn is used for the manufacture of the knitted or woven body; a knitted or woven body of the same; and a method for manufacturing the knitted or woven body. The blended yarn according to the present invention comprises a modified fibroin fiber and a regenerated cellulose fiber.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: June 30, 2026
    Assignees: Hasetora Spinning Co., Ltd., Crane Inc.
    Inventors: Tetsuhiro Asano, Akihiko Ozeki