Patents by Inventor Som Yu CHAN

Som Yu CHAN 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: 20120304492
    Abstract: Provided are a last for making an article of footwear, an article of footwear that is made from the last and a method for manufacturing the last. The last has dimensions defined by a last length, a joint girth, an instep girth and a heel breadth. In the last, a ratio of the last length to the joint girth is between 0.920 and 0.976, a ratio of the last length to the instep girth is between 0.945 and 1.006, and a ratio of the last length to the heel breadth is between 0.255 and 0.259. The last can provide a shape suitable for comfortably accommodating the elderly foot.
    Type: Application
    Filed: June 3, 2011
    Publication date: December 6, 2012
    Applicant: THE CHINESE UNIVERSITY OF HONG KONG
    Inventors: Kwok Sui LEUNG, Wing Hoi CHEUNG, Som Yu CHAN, Wai Kin NG, Fung Ngor TANG