Twain Liu-Qiu-Yan

Title company name (assignee) Country/Patent Coverage filing/creation date grant date id inventor/author priority date publication date representative figure link result link
System and method to survey and evaluate items according to people's perceptions and to generate recommendations based on people's perceptions Twain Liu-Qiu-Yan US US-2014278786-A1 Twain Liu-Qiu-Yan