Patents by Inventor Yasushi Konomura

Yasushi Konomura 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).

  • Hydraulic excavator
    Patent number: D437602
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: February 13, 2001
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Kazuhiko Hiraoka, Shingo Hirose, Kazuhiko Nishiyama, Akitaka Takeuchi, Yoshiki Yoshida, Toichi Hirata, Masaki Kanahara, Tsuyoshi Sakyo, Yasushi Konomura, Koji Tahara, Kazuhisa Tamura