The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Mar. 05, 2021
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Fumihiko Tanaka, Iyo-gun, JP;
Yuki Suga, Iyo-gun, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F 9/22 (2006.01); D01F 6/18 (2006.01); D01F 9/12 (2006.01);
U.S. Cl.
CPC ...
D01F 9/22 (2013.01); D01F 6/18 (2013.01); D01F 9/12 (2013.01); Y10T 428/2918 (2015.01);
Abstract
Provided is a carbon fiber with a strand modulus of elasticity from 240 to 300 GPa, an elongation of 2.65% or more, and a strain energy density of 95 J/mmor more, which can improve the impact resistance of carbon fiber composite materials.