Patents by Inventor Fumitsugu Kusaka

Fumitsugu Kusaka 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: 10273123
    Abstract: An SCR-quipped rough terrain crane in which a urea water tank is laid out at the optimal position is provided. A rough terrain crane is equipped with an exhaust emission control device that is laterally adjacent to a diesel engine. The exhaust emission control device is provided with a urea water tank and is laid out in a rear portion of at a vehicle body. The urea water tank is disposed on a front side of the exhaust emission control device. The urea water tank is disposed in the vicinity of the left side of the diesel engine when viewed from the rear side of the vehicle.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: April 30, 2019
    Assignee: TADANO LTD.
    Inventors: Kazuya Omori, Fumitsugu Kusaka, Kenta Mitani
  • Patent number: 10155198
    Abstract: A compact rough terrain crane in which an exhaust emission control device and an elevating step are laid out in a compact manner without impairing excellent small-radius turning performance is provided. The crane includes a lower carrier that has a front axle and a rear axle. The crane includes an exhaust emission control device that has a DOC which is connected to an exhaust pipe extending from a diesel engine and is supplied with exhaust, a DRT disposed downstream of the DOC, and an SCR disposed downstream of the DRT. The crane includes an elevating step. The DOC, the DRT, and the SCR are disposed in parallel on a virtual horizontal plane that is separated from an upper surface of the lower carrier by a predetermined distance. The step is disposed in a gap that is formed between the upper surface of the lower carrier and the exhaust emission control device.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: December 18, 2018
    Assignee: TADANO LTD.
    Inventors: Kazuya Omori, Fumitsugu Kusaka, Kenta Mitani
  • Publication number: 20180273351
    Abstract: An SCR-quipped rough terrain crane in which a urea water tank is laid out at the optimal position is provided. A rough terrain crane is equipped with an exhaust emission control device that is laterally adjacent to a diesel engine. The exhaust emission control device is provided with a urea water tank and is laid out in a rear portion of at a vehicle body. The urea water tank is disposed on a front side of the exhaust emission control device. The urea water tank is disposed in the vicinity of the left side of the diesel engine when viewed from the rear side of the vehicle.
    Type: Application
    Filed: August 17, 2015
    Publication date: September 27, 2018
    Inventors: Kazuya Omori, Fumitsugu Kusaka, Kenta Mitani
  • Publication number: 20180036679
    Abstract: A compact rough terrain crane in which an exhaust emission control device and an elevating step are laid out in a compact manner without impairing excellent small-radius turning performance is provided. The crane includes a lower carrier that has a front axle and a rear axle. The crane includes an exhaust emission control device that has a DOC which is connected to an exhaust pipe extending from a diesel engine and is supplied with exhaust, a DRT disposed downstream of the DOC, and an SCR disposed downstream of the DRT. The crane includes an elevating step. The DOC, the DRT, and the SCR are disposed in parallel on a virtual horizontal plane that is separated from an upper surface of the lower carrier by a predetermined distance. The step is disposed in a gap that is formed between the upper surface of the lower carrier and the exhaust emission control device.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 8, 2018
    Inventors: Kazuya Omori, Fumitsugu Kusaka, Kenta Mitani
  • Patent number: D737538
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: August 25, 2015
    Assignee: TADANO LTD.
    Inventors: Yasushi Kameyama, Kazuya Omori, Masanori Matsuda, Fumitsugu Kusaka, Homurako Ukezeki, Kenta Mitani, Tsubasa Nishimaru, Hidetoshi Fuke, Koki Wada, Keisuke Takahashi
  • Patent number: D738936
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: September 15, 2015
    Assignee: TADANO LTD.
    Inventors: Yasushi Kameyama, Kazuya Omori, Masanori Matsuda, Fumitsugu Kusaka, Homurako Ukezeki, Kenta Mitani, Tsubasa Nishimaru, Hidetoshi Fuke, Koki Wada, Keisuke Takahashi