Patents by Inventor Tanaka Shuji

Tanaka Shuji 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).

  • PREPARATION OF HIGH PURITY ALKYL GALLIUM
    Publication number: 20040260106
    Abstract: Trialkylgallium is prepared by reacting a gallium halide or alkyl gallium with trialkylaluminum in a solvent having a boiling point which is at least 10° C. higher than the boiling point of the trialkylgallium, such as mesitylene or o-dichlorobenzene. High purity alkyl gallium is obtained in high yields.
    Type: Application
    Filed: June 17, 2004
    Publication date: December 23, 2004
    Inventors: Takayuki Honma, Takanobu Tsudera, Hiromi Nishiwaki, Tanaka Shuji