Inventor
YAN QIFENG
FI8 patents
⚠️ This page may combine multiple inventors who share the name “YAN QIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAN QIFENG
3 patentsUS9634903B2Apr 25, 2017
Method and apparatus for distributing content to multiple devices
YAN QIFENG6 citations70
US9661412B2May 23, 2017
Apparatus for providing passive stereo amplification for a portable device
YAN QIFENG2 citations67
US10146426B2Dec 4, 2018
Apparatus and method for user input for controlling displayed information
YAN QIFENG0 citations36