Patents by Inventor Takeshi Saoyama

Takeshi Saoyama 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).

  • Patent number: 9719229
    Abstract: A bucket with a blade-shaped lower front edge includes: a first straight portion horizontally extending from the lower front edge toward an innermost of the bucket; a curve continuous with a rear edge of the first straight portion at a lower edge of the curve, the curve having a predetermined bucket radius; a second straight portion continuous with an upper edge of the curve, the second straight portion being inclined upward toward a bucket opening; a third straight portion bent at a bent portion toward the bucket opening relative to a front edge of the second straight portion, the third straight portion further extending toward the bucket opening; a reinforcing member provided on an exterior surface of the third straight portion to reinforce of the exterior surface; and a connecting portion provided behind the curve.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: August 1, 2017
    Assignee: Komatsu Ltd.
    Inventors: Norihito Bandou, Takeshi Saoyama, Minoru Wada, Toshiyuki Ohta, Toshimitsu Honda, Katsuhiro Tsutsumi, Takaya Kobayashi, Takayasu Wakamoto
  • Publication number: 20170016204
    Abstract: A bucket with a blade-shaped lower front edge includes: a first straight portion horizontally extending from the lower front edge toward an innermost of the bucket; a curve continuous with a rear edge of the first straight portion at a lower edge of the curve, the curve having a predetermined bucket radius; a second straight portion continuous with an upper edge of the curve, the second straight portion being inclined upward toward a bucket opening; a third straight portion bent at a bent portion toward the bucket opening relative to a front edge of the second straight portion, the third straight portion further extending toward the bucket opening; a reinforcing member provided on an exterior surface of the third straight portion to reinforce of the exterior surface; and a connecting portion provided behind the curve.
    Type: Application
    Filed: July 15, 2015
    Publication date: January 19, 2017
    Applicant: KOMATSU LTD.
    Inventors: Norihito Bandou, Takeshi Saoyama, Minoru Wada, Toshiyuki Ohta, Toshimitsu Honda, Katsuhiro Tsutsumi, Takaya Kobayashi, Takayasu Wakamoto