Patents by Inventor Yasushi Kawashiro

Yasushi Kawashiro 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).

  • Delivery device, delivery container, and eye dropper provided with the same
    Patent number: 8007480
    Abstract: The present invention has an object to provide a delivery device that is capable of preventing a content liquid from flowing back and achieving aseptic delivery of liquid drop (dripping), and provide a delivery container, and an eye dropper that can eliminate or reduce the use of an antiseptic agent and achieve smooth delivery of the liquid. The delivery device 10 of the present invention comprises the outlet portion 11 of a substantially bottomed tubular shape having the outlet orifice 12, the valve element support portion 13 of substantially cylindrical shape that is secured in the outlet portion 11 with a distal end 13a thereof exposed through the outlet orifice 12 to the outside of the outlet portion 11, and a valve element 14 that is secured in the outlet portion 11 with a distal end 14a thereof exposed through the outlet orifice 12 to the outside of the outlet portion 11.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: August 30, 2011
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Yasushi Kawashiro, Yuji Sugahara
  • Delivery device, delivery container, and eye dropper provided with the same
    Publication number: 20070093765
    Abstract: The present invention has an object to provide a delivery device that is capable of preventing a content liquid from flowing back and achieving aseptic delivery of liquid drop (dripping), and provide a delivery container, and an eye dropper that can eliminate or reduce the use of an antiseptic agent and achieve smooth delivery of the liquid. The delivery device 10 of the present invention comprises the outlet portion 11 of a substantially bottomed tubular shape having the outlet orifice 12, the valve element support portion 13 of substantially cylindrical shape that is secured in the outlet portion 11 with a distal end 13a thereof exposed through the outlet orifice 12 to the outside of the outlet portion 11, and a valve element 14 that is secured in the outlet portion 11 with a distal end 14a thereof exposed through the outlet orifice 12 to the outside of the outlet portion 11.
    Type: Application
    Filed: August 30, 2004
    Publication date: April 26, 2007
    Inventors: Yasushi Kawashiro, Yuji Sugahara
  • Discharge member and container provided with the same
    Publication number: 20060043116
    Abstract: The present invention provides a delivery device that delivers a liquid contained in a flexible container when the container is depressed, and the container that has the delivery device attached to the mouth thereof.
    Type: Application
    Filed: July 29, 2003
    Publication date: March 2, 2006
    Inventors: Yasushi Kawashiro, Yuji Sugahara