Inventor
ZHANG JIANMEI
CN9 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG JIANMEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUAWEI TECH CO LTD
5 patentsUS7889989B2Feb 15, 2011
Method for implementing tandem concatenation monitoring automatically and apparatus thereof
HUAWEI TECH CO LTD9 citations81
US7787448B2Aug 31, 2010
Method and system for transparent transport of optical channel transmission unit signals via an optical transport network
HUAWEI TECH CO LTD16 citations81
US9184860B2Nov 10, 2015
Time synchronization method and system, and node device
HUAWEI TECH CO LTD2 citations61
US8817823B2Aug 26, 2014
Method and device for time synchronization
HUAWEI TECH CO LTD2 citations61
US8380070B2Feb 19, 2013
Upgrading method, system and apparatus of low-density wavelength division multiplexing system
HUAWEI TECH CO LTD0 citations33