Patents by Inventor Shinji Yumei

Shinji Yumei 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).

  • Interdental cleaning tool
    Patent number: 11478341
    Abstract: An interdental cleaning tool (1) comprises a base (10) having a shaft (20) that has a shape to be inserted into an interdental space, wherein the base (10) is formed of a composite material comprising a synthetic resin, a reinforcement material and a low-hardness resin having a lower hardness than the hardness of the synthetic resin.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: October 25, 2022
    Assignee: Kobayashi Pharmaceutical Co., Ltd.
    Inventors: Tasuku Kikkawa, Narutomo Shiraki, Satoru Komiyama, Noboru Kusakabe, Shinji Yumei, Masanori Kawakami
  • INTERDENTAL CLEANING TOOL
    Publication number: 20190000598
    Abstract: An interdental cleaning tool (1) comprises a base (10) having a shaft (20) that has a shape to be inserted into an interdental space, wherein the base (10) is formed of a composite material comprising a synthetic resin, a reinforcement material and a low-hardness resin having a lower hardness than the hardness of the synthetic resin.
    Type: Application
    Filed: December 16, 2016
    Publication date: January 3, 2019
    Applicant: Kobayashi Pharmaceutical Co., Ltd.
    Inventors: Tasuku Kikkawa, Narutomo Shiraki, Satoru Komiyama, Noboru Kusakabe, Shinji Yumei, Masanori Kawakami