Patents by Inventor OSAYUKI NUMATA

OSAYUKI NUMATA 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).

  • ABSORBENT MATERIAL
    Publication number: 20020009942
    Abstract: Disclosed is an absorbent material which is used as ink pads of ink-jet and bubble-jet printers, various building materials and materials for civil engineering work, said absorbent material comprising a non-woven fabric containing water-absorptive fibers, wherein a water absorption percentage is not less than 400% by weight and a change in volume is less than 10% in a state where water is absorbed in the amount of not less than 400% by weight.
    Type: Application
    Filed: September 1, 1999
    Publication date: January 24, 2002
    Inventors: YOSHIKATSU MIZUKAMI, KATSUMI AGARI, HIROKO FUKUMOTO, HIROSHI ONOUE, OSAYUKI NUMATA