Patents by Inventor Masao Manaka

Masao Manaka 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).

  • Combine harvester
    Patent number: 4541441
    Abstract: A combine harvester having a cutting device provided in a front portion of the combine harvester, a conveying device for conveying the cut crops, a threshing device for threshing the conveyed crops, and a separating device for separating the threshed crops. The threshing device comprises a threshing auger oriented in the traveling direction of the harvester, and a concave sieve provided around a lower portion of the auger. The separating device comprises two separating augers arranged parallel with the threshing auger at a position under the concave sieve, and a sieve provided under the separating auger.
    Type: Grant
    Filed: October 12, 1983
    Date of Patent: September 17, 1985
    Assignee: Institute of Agricultural Machinery
    Inventors: Tomohiko Ichikawa, Takao Sugiyama, Masao Manaka