Patents by Inventor Mitsunao Kakuta

Mitsunao Kakuta 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).

  • Carbon fiber and method for producing the same
    Patent number: 9376765
    Abstract: A carbon fiber having a lattice spacing (d002) of 0.336 nm to 0.338 nm and a crystallite size (Lc002) of 50 nm to 150 nm as measured and evaluated by X-ray diffraction and a fiber diameter of 10 nm to 500 nm, the carbon fiber having no branched structure.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: June 28, 2016
    Assignees: TEIJIN LIMITED, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Shinya Komura, Takanori Miyoshi, Mitsunao Kakuta, Eiichi Yasuda
  • CARBON FIBER AND METHOD FOR PRODUCING THE SAME
    Publication number: 20110033705
    Abstract: A carbon fiber having a lattice spacing (d002) of 0.336 nm to 0.338 nm and a crystallite size (Lc002) of 50 nm to 150 nm as measured and evaluated by X-ray diffraction and a fiber diameter of 10 nm to 500 nm, the carbon fiber having no branched structure.
    Type: Application
    Filed: April 6, 2009
    Publication date: February 10, 2011
    Applicants: Teijin Limited, Tokyo Institute of Technology
    Inventors: Shinya Komura, Takanori Miyoshi, Mitsunao Kakuta, Eiichi Yasuda