Patents by Inventor Ryota Mashima

Ryota Mashima 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 glass tube
    Patent number: 9458057
    Abstract: A reed switch glass tube is capable of preventing, for example, chipping and cracking of end parts thereof by forming a compressive stress layer having a length (A) from an end face within a range of 0.1 mm to 0.6 mm on an outer circumference surface of the end part of the glass tube.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: October 4, 2016
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Ryota Mashima, Masahiro Kobayashi, Ken Kashiwadani
  • REED SWITCH GLASS TUBE
    Publication number: 20130287977
    Abstract: A reed switch glass tube is capable of preventing, for example, chipping and cracking of end parts thereof by forming a compressive stress layer having a length (A) from an end face within a range of 0.1 mm to 0.6 mm on an outer circumference surface of the end part of the glass tube.
    Type: Application
    Filed: November 30, 2011
    Publication date: October 31, 2013
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Ryota Mashima, Masahiro Kobayashi, Ken Kashiwadani