Patents by Inventor Zhou Otto

Zhou Otto 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).

  • Clathrate compounds and processes for production thereof
    Patent number: 5800794
    Abstract: A silicon clathrate compound of the following composition:(Li.sub.4).sub.x Ae.sub.6 Si.sub.46wherein (Li.sub.4) represents a Li.sub.4 cluster; Ae is an alkaline earth metal element selected from the group consisting of Ba, Sr and Ca; and x is the number ratio of the Li.sub.4 complex to the other elements and 0<x.ltoreq.2, which contains, as the structural units of crystals, Si.sub.46 clusters, each of which consists of Si.sub.20 clusters and Si.sub.24 clusters with cage structures formed by silicon atoms as the framework of the crystal and at least part of said Si.sub.24 clusters encapsulate alkaline earth metal atoms inside the cage, and at least part of the Si.sub.20 clusters encapsulate Li.sub.4 inside the cage.
    Type: Grant
    Filed: December 30, 1996
    Date of Patent: September 1, 1998
    Assignee: NEC Corporation
    Inventors: Katsumi Tanigaki, Sadanori Kuroshima, Zhou Otto