Patents by Inventor Yasuaki Shiomi

Yasuaki Shiomi 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).

  • Method of electronic sintering method and mold for use in the method
    Patent number: 6371746
    Abstract: An electric sintering mold includes a clamping portion for clamping a powder material, the material clamped by the clamping portion being subjected to a pressure from a pressurizer and a pulsating electric current externally supplied, so that joule heat is generated within the material for sintering the material. The mold is formed of material containing metal boride having electroconductivity. An electric sintering apparatus using such mold and an electric sintering method utilizing such apparatus and mold are also disclosed.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: April 16, 2002
    Assignee: Kubota Corporation
    Inventors: Yasuaki Shiomi, Nobuhito Kuroishi, Shigeru Tsuboi, Atsushi Sugai, Masahiro Murata, Jun Yoshino