Patents by Inventor Takanori Shima

Takanori Shima 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).

  • Patent number: 9890184
    Abstract: A novel complex capable of fixing dinitrogen and use thereof are provided. A complex represented by formula (1A) or (1B) or a cationic or anionic complex from the complex: wherein M1 to M4 (M1 to M3 in the case of formula (1A)) are each independently Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, or W, and L1 to L4 (L1 to L3 in the case of formula (1A)) are each independently a ligand selected from among a ligand (Cp) including a substituted or unsubstituted cyclopentadienyl derivative, a diphenylamine ligand, a diphenylphosphine ligand, and a carboimideamide ligand.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: February 13, 2018
    Assignee: RIKEN
    Inventors: Zhaomin Hou, Takanori Shima, Shaowei Hu, Yoshinori Endo
  • Publication number: 20150291635
    Abstract: A novel complex capable of fixing dinitrogen and use thereof are provided. A complex represented by formula (1A) or (1B) or a cationic or anionic complex from the complex: wherein M1 to M4 (M1 to M3 in the case of formula (1A)) are each independently Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, or W, and L1 to L4 (L1 to L3 in the case of formula (1A)) are each independently a ligand selected from among a ligand (Cp) including a substituted or unsubstituted cyclopentadienyl derivative, a diphenylamine ligand, a diphenylphosphine ligand, and a carboimideamide ligand.
    Type: Application
    Filed: November 20, 2013
    Publication date: October 15, 2015
    Inventors: Zhaomin Hou, Takanori Shima, Shaowei Hu, Yoshinori Endo