Patents by Inventor Yuka Okada

Yuka Okada 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).

  • Publication number: 20040044562
    Abstract: A survey burden is reduced on a material manufacturer side, while survey items are easily changed on a material purchaser side.
    Type: Application
    Filed: July 24, 2003
    Publication date: March 4, 2004
    Inventors: Takayoshi Ueno, Hiroshi Onishi, Yuka Okada, Narito Shibaike, Hitoshi Naganuma, Tetsuji Kawakami