XM

Xing Long Ma

ED E-Tek Dynamics: 1 patents #23 of 44Top 55%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #1,887,488 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D929938 Frequency converter Xiang Zhang, Yan Chen, Qi Yu, Chong Xing Zheng 2021-09-07
6219474 Configurable optical add/drop device Bo Cai, Gang Lei, Jyehong Chen 2001-04-17