Beijing
China
2
2021-07-01
Dongjun Li from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD AND SYSTEM FOR DEALING WITH PUBLIC SENTIMENTS, USER TERMINAL AND COMPUTER READABLE STORAGE MEDIUM
ADVERTISING INFORMATION PUSHING METHOD, DEVICE AND SYSTEM, SERVER, AND COMPUTER READABLE MEDIUM
2593595 ⎘