Patents by Inventor Motohiko Ikegawa

Motohiko Ikegawa 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).

  • Light water reactor core and fuel assembly
    Patent number: 6512805
    Abstract: There are provided a light water reactor core which has the same levels in cost efficiency and degree of safety as those of an existing BWR under operation now, that is, which is oriented to plutonium multi-recycle having a breeding ratio near 1.0 or slightly larger and having a negative void coefficient with minimizing modification of the reactor core structure of the existing BWR under operation now, and to fuel assemblies used for the boiling water reactor. The light water reactor core having an effective water-to-fuel volume ratio of 0.1 to 0.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: January 28, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Renzo Takeda, Motoo Aoyama, Junichi Miwa, Motohiko Ikegawa