Patents by Inventor Shunjii Nakahashi

Shunjii Nakahashi 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).

  • Reed switch
    Patent number: 8760246
    Abstract: A reed switch includes an envelope, a first fixed terminal piece, a second fixed terminal piece, a third fixed terminal piece, a movable reed piece, a first spring member, a second spring member, and a third spring member. The movable reed piece has a base end portion, a distal end portion, and a movable contact portion. A distal end portion of the second spring member is farther from the first spring member than a base end portion of the second spring member in a state where the movable contact portion is spaced apart from a distal end portion of the first spring member and the distal end portion of the second spring member.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: June 24, 2014
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Shunjii Nakahashi, Kenjiro Hamada, Yoichi Wakabayashi