Patents by Inventor Masamitsu Katsuura

Masamitsu Katsuura 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).

  • Material for negative electrode of lithium secondary battery, method for production thereof and lithium secondary battery using the same
    Publication number: 20040151837
    Abstract: A calcined two-layer carbon material is prepared characterized in that edge parts of a core carbon material are particularly or entirely coated with a coat-forming carbon material and that the carbon material is nearly spherical or ellipsoidal, wherein the carbon material has a specific surface area determined by a BET method of 5 m2/g or less.
    Type: Application
    Filed: December 31, 2003
    Publication date: August 5, 2004
    Inventors: Koichi Morita, Hiromi Fujiwara, Yoshiteru Nakagawa, Masamitsu Katsuura, Hiroaki Matsuyoshi, Naoto Nishimura, Yoshihiro Tsukuda, Kazuaki Minato, Takehito Mitate, Kazuo Yamada, Tetsuya Yoneda