Patents by Inventor Masahiro Urushihara

Masahiro Urushihara 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).

  • Protein Complex and Process for Producing the Same
    Publication number: 20120029175
    Abstract: A process for producing an embedded protein antigen, comprising embedding a protein antigen having two or more cysteine residues in a molecule thereof, into a hydrophobized polysaccharid. Prior to or after the embedding of the protein antigen, the protein antigen is purified. There are provided an embedded protein antigen and a process for producing the same, which can advantageously purify the protein antigen, while suppressing the denaturation of the protein antigen as completely as possible.
    Type: Application
    Filed: April 11, 2007
    Publication date: February 2, 2012
    Inventors: Kenji Nagura, Naozumi Harada, Masahiro Urushihara
  • Process for producing a purified prostaglandin derivative
    Patent number: 6632958
    Abstract: An alkene (1) is added to cyclopentenone (2) under the action of an alkyl lithium and an organic copper reagent to form an adduct, said adduct is reacted with e.g.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: October 14, 2003
    Assignee: Mitsubishi Pharma Corporation
    Inventors: Masahiro Urushihara, Yoshitomi Morizawa