Patents by Inventor Keisuke FUJIKAWA

Keisuke FUJIKAWA 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).

  • Battery system
    Patent number: 11942612
    Abstract: In a battery system, a battery module includes a plurality of cells. A management unit manages charging-discharging of the battery module and a temperature inside the battery module. The management unit estimates a maximum temperature of an inside of a cell in the battery module based on a measured temperature in the battery module, and controls, during charging-discharging of the battery module, a charging-discharging current of the battery module and/or cooling of the battery module in such a way that the estimated maximum temperature does not exceed an upper limit temperature.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: March 26, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroshi Fujikawa, Shinichi Yuasa, Yoshito Kaga, Keisuke Naito
  • Method of carrying out post-treatment to sprayed coating and agent used for the same
    Patent number: 9238860
    Abstract: A method of carrying out post-treatment to a sprayed coating includes spraying aluminum-containing material onto a surface of a steel for forming a sprayed coating on the steel, and coating electrolytic aqueous solution or water base paint containing electrolytic aqueous solution therein onto the sprayed coating.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: January 19, 2016
    Assignees: FUJIGIKEN CO., LTD., FUJI ENGINEERING CO., LTD, WEST NIPPON EXPRESSWAY COMPANY LIMITED
    Inventors: Kenichi Yamada, Keisuke Fujikawa, Masanobu Sugimoto
  • METHOD OF CARRYING OUT POST-TREATMENT TO SPRAYED COATING AND AGENT USED FOR THE SAME
    Publication number: 20140170323
    Abstract: A method of carrying out post-treatment to a sprayed coating includes spraying aluminum-containing material onto a surface of a steel for forming a sprayed coating on the steel, and coating electrolytic aqueous solution or water base paint containing electrolytic aqueous solution therein onto the sprayed coating.
    Type: Application
    Filed: December 17, 2012
    Publication date: June 19, 2014
    Applicants: FUJIGIKEN CO., LTD., WEST NIPPON EXPRESSWAY COMPANY LIMITED, FUJI ENGINEERING CO., LTD.
    Inventors: Kenichi YAMADA, Keisuke FUJIKAWA, Masanobu SUGIMOTO