Patents by Inventor Shigehiko Miyake

Shigehiko Miyake 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).

  • Soil improving machine with excavating means
    Patent number: 6171030
    Abstract: A vehicular soil treating machine having a base carrier with a crawler type vehicle drive, an upper rotary body rotatably mounted on the base carrier, and an excavation means mounted on the upper rotary body and equipped with a soil excavating bucket. Provided on the base carrier is an elongated continuous soil processing trough having a predetermined length in the longitudinal direction of the base carrier and internally provided with a tumbling/mixing means for uniformly mixing additive soil improving material into sand and soil which is fed from the excavation means. A soil hopper is provided over one end of the continuous processing trough, and an additive feed means is located behind the soil hopper to feed additive soil improving material to the continuous processing trough.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: January 9, 2001
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Shigehiko Miyake, Hisayoshi Hashimoto, Toshikazu Murai, Takami Kusaki, Tetsushiro Miura, Hiroyosi Itaya, Fumiki Nakagiri, Satoshi Sekino