Patents by Inventor Masakuni Nakajima

Masakuni Nakajima 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).

  • Wing retraction type mis-piercing preventer and winged needle having the mis-piercing preventer
    Patent number: 7153293
    Abstract: A winged needle cover capable of storing an entire needle with flexible wing in the state of the needle tube part of the winged needle not projected again, comprising a tip side opening part for taking therein the entire winged needle having a flexible tube connected thereto and a base side opening part allowing the flexible tube to pass therethrough, characterized in that, a wing part folding promoting means capable of upwardly reversing the wing part of the winged needle for folding when the entire winged needle is taken from the tip side opening part into the needle cover is provided at the tip side opening part, whereby, the needle cover can easily store the winged needle after servicing, makes it hard for the stored needle to be re-projected and, because any special means is not provided for prevention of re-projection, can be manufactured easily at a low cost.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: December 26, 2006
    Assignee: JMS Co., LTD
    Inventor: Masakuni Nakajima
  • Wing retraction type mis-piercing preventer and winged needle having the mis-piercing preventer
    Publication number: 20040102739
    Abstract: A winged needle cover capable of storing an entire needle with flexible wing in the state of the needle tube part of the winged needle not projected again, comprising a tip side opening part for taking therein the entire winged needle having a flexible tube connected thereto and a base side opening part allowing the flexible tube to pass therethrough, characterized in that, a wing part folding promoting means capable of upwardly reversing the wing part of the winged needle for folding when the entire winged needle is taken from the tip side opening part into the needle cover is provided at the tip side opening part, whereby, the needle cover can easily store the winged needle after servicing, makes it hard for the stored needle to be re-projected and, because any special means is not provided for prevention of re-projection, can be manufactured easily at a low cost.
    Type: Application
    Filed: April 7, 2003
    Publication date: May 27, 2004
    Inventor: Masakuni Nakajima