Beijing
China
3
2016-09-08
The entities that hold a legal rights for patent applications filed by inventor XU Changwu:
Changwu XU from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Reconfigurable optical add-drop multiplexer apparatus
#2 | 2015-11-05Communications device and method
#3 | 2014-01-09SCHEDULING METHOD, APPARATUS, AND SYSTEM FOR AVOIDING DUAL-END MONITORING CONFLICT FOR SUBMARINE CABLE OPTICAL LINE
604516 ⎘