Patents by Inventor Hiroyuki Fukuya

Hiroyuki Fukuya 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).

  • Apparatus for directly and continuously weighing continuously fed powder or particle substances
    Patent number: 4491243
    Abstract: Weighing apparatus including a plurality of vessels which are disposed vertically under a hopper with the axes thereof being aligned with one another and a weighing device provided under the lowest vessel. At least one of the vessels is provided at the top and bottom portions thereof with rotary discs having an opening.
    Type: Grant
    Filed: January 22, 1982
    Date of Patent: January 1, 1985
    Inventors: Yoshikazu Koga, Hiroyuki Fukuya