Patents by Inventor Kenzo SUMIYA

Kenzo SUMIYA 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).

  • Medical instrument, medical device, method of manufacturing medical instrument, and metal article
    Patent number: 11633301
    Abstract: A medical instrument with excellent operability is provided. The medical instrument includes stick-shaped extra-narrow metal members. The extra-narrow member has a hardened layer formed on the surface thereof without losing flexibility.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 25, 2023
    Assignee: Hatta Kogyo Co., Ltd.
    Inventors: Junichi Fukui, Kenzo Sumiya
  • MEDICAL INSTRUMENT, MEDICAL DEVICE, METHOD OF MANUFACTURING MEDICAL INSTRUMENT, AND METAL ARTICLE
    Publication number: 20210113370
    Abstract: A medical instrument with excellent operability is provided. The medical instrument includes stick-shaped extra-narrow metal members. The extra-narrow member has a hardened layer formed on the surface thereof without losing flexibility.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 22, 2021
    Inventors: Junichi FUKUI, Kenzo SUMIYA