Inventor

MAO CHENGJIANG

US3 patents

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

RHUB COMMUNICATIONS INC

2 patents

US11473916B1Oct 18, 2022

Rope-based indoor infrastructure free localization

RHUB COMMUNICATIONS INC1 citations52

US7966371B2Jun 21, 2011

Browser based web conferencing employing layering to display screen updates

RHUB COMMUNICATIONS INC6 citations50

MAO CHENGJIANG

1 patent

US8880605B2Nov 4, 2014

Browser based web conferencing employing attendee side image scaling

MAO CHENGJIANG2 citations44