Patents by Inventor Shin-ich Kawamura

Shin-ich Kawamura 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).

  • Patent number: 7648487
    Abstract: A syringe coated with a lubricant containing a silicone oil and a fine silica powder on the inner surface of the barrel of the syringe can be used for injection of a surface-active drug solution without oil droplet formation on the inner surface while preventing an increase of the gasket sliding friction.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: January 19, 2010
    Assignee: Nipro Corporation
    Inventors: Akira Ito, Yoshihisa Murai, Takeshi Nizuka, Shin-ich Kawamura, Dai Sutou
  • Publication number: 20060200084
    Abstract: A syringe coated with a lubricant containing a silicone oil and a fine silica powder on the inner surface of the barrel of the syringe can be used for injection of a surface-active drug solution without oil droplet formation on the inner surface while preventing an increase of the gasket sliding friction.
    Type: Application
    Filed: September 28, 2005
    Publication date: September 7, 2006
    Inventors: Akira Ito, Yoshihisa Murai, Takeshi Nizuka, Shin-ich Kawamura, Dai Sutou