Patents by Inventor Akihiro NISHIGUCHI

Akihiro NISHIGUCHI 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).

  • Wound dressing containing crosslinked gelatin derivative particles
    Patent number: 11975113
    Abstract: A wound dressing material includes a particle having a crosslinked gelatin derivative, the gelatin derivative having the structure represented by the following formula (1): GltnNH—CHR1R2??(1) wherein “Gltn” represents a gelatin residue, R1 represents an alkyl group having 1-17 carbon atoms, and R2 represents a hydrogen atom or an alkyl group having 1-17 carbon atoms, and the particle having a particle size ranging from 1 to 1,000 ?m.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: May 7, 2024
    Assignee: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Tetsushi Taguchi, Akihiro Nishiguchi
  • WOUND DRESSING CONTAINING CROSSLINKED GELATIN DERIVATIVE PARTICLES
    Publication number: 20200206382
    Abstract: A wound dressing material includes a particle having a crosslinked gelatin derivative, the gelatin derivative having the structure represented by the following formula (1): GltnNH—CHR1R2??(1) wherein “Gltn” represents a gelatin residue, R1 represents an alkyl group having 1-17 carbon atoms, and R2 represents a hydrogen atom or an alkyl group having 1-17 carbon atoms, and the particle having a particle size ranging from 1 to 1,000 ?m.
    Type: Application
    Filed: August 31, 2018
    Publication date: July 2, 2020
    Applicant: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Tetsushi TAGUCHI, Akihiro NISHIGUCHI