Patents by Inventor Masato SHIGEYAMA

Masato SHIGEYAMA 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).

  • Topical composition
    Patent number: 11872304
    Abstract: The purpose of the present invention is to provide an ointment preparation in which both separation over time and discoloration over time are suppressed. Both separation over time and discoloration over time are suppressed in: a topical composition containing (A) 30-60 weight % of zinc chloride, a specific (B) inorganic powder and a specific (C) additive, and (D) a solvent; and a topical composition containing (A) 30-60 weight % of zinc chloride, a specific (B) inorganic powder, and (D) a solvent.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: January 16, 2024
    Assignees: JINNO INSTITUTE, OTSUKA PHARMACEUTICAL FACTORY, INC.
    Inventors: Masato Shigeyama, Toshiya Nagiri, Yuki Takeuchi, Yu Mima, Katsunori Shirai, Toshimitsu Terao
  • TOPICAL COMPOSITION
    Publication number: 20210205210
    Abstract: The purpose of the present invention is to provide an ointment preparation in which both separation over time and discoloration over time are suppressed. Both separation over time and discoloration over time are suppressed in: a topical composition containing (A) 30-60 weight % of zinc chloride, a specific (B) inorganic powder and a specific (C) additive, and (D) a solvent; and a topical composition containing (A) 30-60 weight % of zinc chloride, a specific (B) inorganic powder, and (D) a solvent.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 8, 2021
    Applicants: JINNO INSTITUTE, OTSUKA PHARMACEUTICAL FACTORY, INC.
    Inventors: Masato SHIGEYAMA, Toshiya NAGIRI, Yuki TAKEUCHI, Yu MIMA, Katsunori SHIRAI, Toshimitsu TERAO