Patents by Inventor Shuu Izumi

Shuu Izumi 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).

  • Patent number: 8789394
    Abstract: Provided is a glove which has good adhesiveness to a rubber or resin coating material and excellent durability and further fits a hand well enabling good work efficiency. The glove is knitted from a covered yarn obtained by winding a sheath yarn around a core yarn and at least a part of the surface thereof is coated with a rubber or resin coating material, wherein the sheath yarn is a crimped yarn made of a high strength fiber having, as a property of a raw yarn, a tensile strength of 1.75 N/tex or more as measured according to JIS L 1013 8.5, and the crimped yarn simultaneously satisfies the following (1) to (3): (1) a degree of bulkiness of 40 cm3/g or more as measured according to JIS L 1013 8.16 A method after hot water treatment at 90° C. for 20 minutes, (2) a bulk compression modulus of 80% or more as measured according to the same method, and (3) a shrinkage/elongation ratio of 20% or more as measured according to JIS L 1013 8.11 A method.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: July 29, 2014
    Assignee: Du Pont-Toray Company, Ltd.
    Inventors: Kaoru Tatsumi, Hideo Nakamura, Shuu Izumi, Akira Hirai
  • Publication number: 20130319055
    Abstract: Provided is a glove which has good adhesiveness to a rubber or resin coating material and excellent durability and further fits a hand well enabling good work efficiency. The glove is knitted from a covered yarn obtained by winding a sheath yarn around a core yarn and at least a part of the surface thereof is coated with a rubber or resin coating material, wherein the sheath yarn is a crimped yarn made of a high strength fiber having, as a property of a raw yarn, a tensile strength of 1.75 N/tex or more as measured according to JIS L 1013 8.5, and the crimped yarn simultaneously satisfies the following (1) to (3): (1) a degree of bulkiness of 40 cm3/g or more as measured according to JIS L 1013 8.16 A method after hot water treatment at 90° C. for 20 minutes, (2) a bulk compression modulus of 80% or more as measured according to the same method, and (3) a shrinkage/elongation ratio of 20% or more as measured according to JIS L 1013 8.11 A method.
    Type: Application
    Filed: December 19, 2011
    Publication date: December 5, 2013
    Applicant: DU PONT-TORAY COMPANY, LTD.
    Inventors: Kaoru Tatsumi, Hideo Nakamura, Shuu Izumi, Akira Hirai