Patents by Inventor Junki MAEDA

Junki MAEDA 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 system for work machine
    Patent number: 10378560
    Abstract: A hydraulic system for a work machine includes a first switch valve and a first return circuit. The first switch valve is switchable between a confluent position and an isolation position. The first switch valve is switched to the confluent position such that a first operation fluid tube is connected to a second operation fluid tube and a first transmission fluid tube is connected to a second transmission fluid tube. The first switch valve is switched to the isolation position such that the first operation fluid tube is disconnected from the second operation fluid tube and the first operation fluid tube is disconnected from the second operation fluid tube.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: August 13, 2019
    Assignees: KUBOTA CORPORATION, KYB CORPORATION
    Inventors: Yoshimitsu Tanaka, Kunihiko Bito, Tsukasa Haraguchi, Toshiaki Otani, Yuji Kawano, Masaru Kumatani, Junki Maeda, Shoichi Kawano, Hitoshi Iwamura, Teruo Kunizawa, Takehiro Wakasugi, Akio Matsuura
  • HYDRAULIC SYSTEM FOR WORK MACHINE
    Publication number: 20170284425
    Abstract: A hydraulic system for a work machine includes a first switch valve and a first return circuit. The first switch valve is switchable between a confluent position and an isolation position. The first switch valve is switched to the confluent position such that a first operation fluid tube is connected to a second operation fluid tube and a first transmission fluid tube is connected to a second transmission fluid tube. The first switch valve is switched to the isolation position such that the first operation fluid tube is disconnected from the second operation fluid tube and the first operation fluid tube is disconnected from the second operation fluid tube.
    Type: Application
    Filed: December 27, 2016
    Publication date: October 5, 2017
    Applicant: KUBOTA CORPORATION
    Inventors: Yoshimitsu TANAKA, Kunihiko BITO, Tsukasa HARAGUCHI, Toshiaki OTANI, Yuji KAWANO, Masaru KUMATANI, Junki MAEDA, Shoichi KAWANO, Hitoshi IWAMURA, Teruo KUNIZAWA, Takehiro WAKASUGI