Patents by Inventor Yasunari Nagaki

Yasunari Nagaki 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).

  • Analysis device of catenary-based transportation system, analysis method and program therefor
    Patent number: 9035495
    Abstract: In a catenary-based transportation system which is provided with integrated power supply equipment having an electricity storage unit which stores electricity regenerated by vehicles traveling by electricity received from a catenary and supplies electricity to the catenary and the other power supply system which is a power supply system different from the electricity storage unit concerned, the performance of a rectifier of the other power supply system is determined based on a power-supplying contribution ratio ? of the other power supply system so that the cost value of the integrated power supply equipment becomes lower than a target cost value.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: May 19, 2015
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takayuki Kono, Katsuaki Morita, Kazuki Ozaki, Yasunari Nagaki
  • ANALYSIS DEVICE OF CATENARY-BASED TRANSPORTATION SYSTEM, ANALYSIS METHOD AND PROGRAM THEREFOR
    Publication number: 20130088085
    Abstract: In a catenary-based transportation system which is provided with integrated power supply equipment having an electricity storage unit which stores electricity regenerated by vehicles traveling by electricity received from a catenary and supplies electricity to the catenary and the other power supply system which is a power supply system different from the electricity storage unit concerned, the performance of a rectifier of the other power supply system is determined based on a power-supplying contribution ratio ? of the other power supply system so that the cost value of the integrated power supply equipment becomes lower than a target cost value.
    Type: Application
    Filed: February 13, 2012
    Publication date: April 11, 2013
    Inventors: Takayuki Kono, Katsuaki Morita, Kazuki Ozaki, Yasunari Nagaki