Patents by Inventor Naoharu TAMURA

Naoharu TAMURA 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).

  • DAMPER DEVICE
    Publication number: 20190186578
    Abstract: A damper device includes a case that is filled with oil, a weight that is stored in the case and includes a central through hole, a central guide rod that is inserted into the central through hole of the weight and configured to allow the weight to slide in the oil, and at least one flow passage that is formed in the weight and through which the oil flows.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 20, 2019
    Inventors: Hidekazu TAMAKI, Takumi SATO, Hideki HITOMI, Junko KAWAKAMI, Naoharu TAMURA