DU ZHONGDA has a total of 11 patent applications. Its first patent ever was published in 2007. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications are TALLEY RYAN S, SHENZHEN BVC TECHNOLOGY CO LTD and CHINA MOBILE GROUP SHANGHAI BRANCH CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Telecommunications |
# | Technology | |
---|---|---|
#1 | Wireless communication networks | |
#2 | Transmission |
# | Name | Total Patents |
---|---|---|
#1 | Du Zhongda | 11 |
#2 | Yu Bin | 3 |
#3 | Chen Zhongming | 2 |
#4 | Zhang Junfeng | 1 |
#5 | Ma Rui | 1 |
#6 | Hao Peng | 1 |
Publication | Filing date | Title |
---|---|---|
US2012243507A1 | Handoff access method and device based on random access channel |