Patents by Inventor Yohji Ikeda

Yohji Ikeda 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).

  • Contact device and electromagnetic relay equipped with the contact device
    Patent number: 9881758
    Abstract: A contact device includes: a contact block including a plurality of fixed terminals on which fixed contacts are formed, and a movable contactor on which movable contacts contacting and leaving the fixed contacts are formed; and a driving block that drives the movable contactor. Moreover, it is made possible to extinguish arcs, which are generated in an event where the contacts contact and leave each other, by arranging permanent magnets on a periphery of the contact block. Then, at least one fixed terminal among the plurality of fixed terminals is formed so that the fixed contact and the movable contact can abut against each other in a region other than a side opposite to the other fixed terminal.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: January 30, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Katsuya Uruma, Hideki Enomoto, Yohji Ikeda
  • Contact apparatus
    Patent number: 9640355
    Abstract: A contact apparatus is provided and includes fixed terminals having fixed contacts, a movable contact member having the movable contacts provided on one surface thereof so as to come into contact or out of contact with the fixed contacts, a first yoke arranged at one side of said one surface of the movable contact member, and a second yoke arranged at a side of the other surface of the movable contact member, the second yoke having one surface facing the first yoke through the movable contact member. The first yoke is larger in volume than the second yoke.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: May 2, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hideki Enomoto, Ritsu Yamamoto, Yoshihisa Fukuda, Yohji Ikeda, Ryosuke Ozaki
  • CONTACT APPARATUS
    Publication number: 20150255236
    Abstract: A contact apparatus is provided and includes fixed terminals having fixed contacts, a movable contact member having the movable contacts provided on one surface thereof so as to come into contact or out of contact with the fixed contacts, a first yoke arranged at one side of said one surface of the movable contact member, and a second yoke arranged at a side of the other surface of the movable contact member, the second yoke having one surface facing the first yoke through the movable contact member. The first yoke is larger in volume than the second yoke.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 10, 2015
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hideki ENOMOTO, Ritsu YAMAMOTO, Yoshihisa FUKUDA, Yohji IKEDA, Ryosuke OZAKI
  • CONTACT DEVICE AND ELECTROMAGNETIC RELAY EQUIPPED WITH THE CONTACT DEVICE
    Publication number: 20150194284
    Abstract: A contact device includes: a contact block including a plurality of fixed terminals on which fixed contacts are formed, and a movable contactor on which movable contacts contacting and leaving the fixed contacts are formed; and a driving block that drives the movable contactor. Moreover, it is made possible to extinguish arcs, which are generated in an event where the contacts contact and leave each other, by arranging permanent magnets on a periphery of the contact block. Then, at least one fixed terminal among the plurality of fixed terminals is formed so that the fixed contact and the movable contact can abut against each other in a region other than a side opposite to the other fixed terminal.
    Type: Application
    Filed: July 1, 2013
    Publication date: July 9, 2015
    Inventors: Katsuya Uruma, Hideki Enomoto, Yohji Ikeda