Patents by Inventor Yongqing Nu

Yongqing Nu 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).

  • RAZOR BLADES HAVING A LARGE TIP RADIUS
    Publication number: 20130014395
    Abstract: A razor blade including a substrate with a coating joined to the substrate defining a coated blade. The coated blade including a cutting edge being defined by a blade tip having a tip radius of from 500 to 1500 angstroms. The coated blade having a thickness of between 0.3 and 0.5 micrometers measured at a distance of 0.25 micrometers from the blade tip, a thickness of between 0.4 and 0.65 micrometers measured at a distance of 0.5 micrometers from the blade tip, a thickness of between 0.61 and 0.71 micrometers measured at a distance of 1 micrometer from the blade tip, a thickness of between 0.96 and 1.16 micrometers measured at a distance of 2 micrometers from the blade tip, and a thickness of between 1.56 and 1.91 micrometers measured at a distance of 4 micrometers from the blade tip.
    Type: Application
    Filed: March 14, 2012
    Publication date: January 17, 2013
    Inventors: Ashok Bakul Patel, Jeffrey Stuart Parker, Bin Shen, Kenneth James Skrobis, Matthew Robet Stone, John Joseph Nisby, Jason Scott Slattery, Yongqing Nu