Patents by Inventor Shuichi Fukuzumi

Shuichi Fukuzumi 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).

  • Process for reduction of carbon dioxide with organometallic complex
    Patent number: 7479570
    Abstract: Carbon dioxide and water are mixed with an organometallic complex represented by general formula (1) below where R1, R2, R3, R4, R5, and R6 independently represent a hydrogen atom or a lower alkyl group, M represents an element that can be coordinated to the benzene ring, X1 and X2 represent nitrogen-containing ligands, X3 represents a hydrogen atom, a carboxylic acid residue, or H2O, X1 and X2 may be bonded to each other, Y represents an anion species, K represents a valency of a cation species, L represents a valency of an anion species, K and L independently represent 1 or 2, and K, m, L, and n are related to one another by K×m=L×n. This makes it possible to directly reduce carbon dioxide in water.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: January 20, 2009
    Assignee: Japan Science and Technology Agency
    Inventors: Seiji Ogo, Shuichi Fukuzumi
  • Process for reduction of carbon dioxide with organometallic complex
    Publication number: 20070036706
    Abstract: Carbon dioxide and water are mixed with an organometallic complex represented by general formula (1) below where R1, R2, R3, R4, R5, and R6 independently represent a hydrogen atom or a lower alkyl group, M represents an element that can be coordinated to the benzene ring, X1 and X2 represent nitrogen-containing ligands, X3 represents a hydrogen atom, a carboxylic acid residue, or H2O, X1 and X2 may be bonded to each other, Y represents an anion species, K represents a valency of a cation species, L represents a valency of an anion species, K and L independently represent 1 or 2, and K, m, L, and n are related to one another by K×m=L×n. This makes it possible to directly reduce carbon dioxide in water.
    Type: Application
    Filed: September 10, 2004
    Publication date: February 15, 2007
    Inventors: Seiji Ogo, Shuichi Fukuzumi