P

Inventor

LIU GUANGTIAN

US15 patents
⚠️ This page may combine multiple inventors who share the name “LIU GUANGTIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T IP I LP

8 patents

LIU GUANGTIAN

4 patents

SBC TECHN RES INC

1 patent

(unassigned)

1 patent

CHEN WENGE

1 patent