Patents by Inventor Masanobu Kamitakahara

Masanobu Kamitakahara 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).

  • Composite material useful as biomaterial and its preparation
    Patent number: 8003611
    Abstract: The present invention aims at providing a biomaterial composite not having risks of pathogen infection and unfavorable side effects such as rejection response. According to the invention, there is provided a biomaterial composite, which comprises a polypeptide and a calcium phosphate compound, said peptide comprising the units of Formulas (I) to (III): [—(OC—(CH2)m—CO)p-(Pro-Y-Gly)n-]a??(I) [—(OC—(CH2)m—CO)q-(z)r-]b??(II) [—HN—R—NH—]c??(III) wherein m, p, q, Y, n, Z, r, R, a, b and c are as defined in the specification. The composite of the invention is particularly suitable for an artificial bone due to its high biocompatibility, high endurance and mechanical strength. Further, the invention can provide a process of the composite according to the invention can for preparation of the composite having excellent mechanical characteristics by a simple procedure.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: August 23, 2011
    Assignee: National University Corporation Nara Institute of Science and Technology
    Inventors: Masanobu Kamitakahara, Masao Tanihara, Chikara Ohtsuki, Shinichi Ogata
  • Composite Material Useful as Biomaterial and Its Preparation
    Publication number: 20090005881
    Abstract: The present invention aims at providing a biomaterial composite not having risks of pathogen infection and unfavorable side effects such as rejection response. According to the invention, there is provided a biomaterial composite, which comprises a polypeptide and a calcium phosphate compound, said peptide comprising the units of Formulas (I) to (III): [—(OC—(CH2)m—CO)p-(Pro-Y-Gly)n-]a??(I) [—(OC—(CH2)m—CO)p-(z)r-]b??(II) [—HN—R—NH—]c??(III) wherein m, p, q, Y, n, Z, r, R, a, b and c are as defined in the specification. The composite of the invention is particularly suitable for an artificial bone due to its high biocompatibility, high endurance and mechanical strength. Further, the invention can provide a process of the composite according to the invention can for preparation of the composite having excellent mechanical characteristics by a simple procedure.
    Type: Application
    Filed: March 14, 2006
    Publication date: January 1, 2009
    Applicant: NATIONAL UNIVERSITY CORPORATION NARA INSTITUTE OF
    Inventors: Masanobu Kamitakahara, Masao Tanihara, Chikara Ohtsuki, Shinichi Ogata