7 Utility Patents
#127 in Shandong
#18,411 in China
#590,709 in the World
Forward Citations = 0
Company Filing History:
Wanhua Chemical Group Co., Ltd.

Shandong New Beiyang Information Technology Co., Ltd.
4. 1 out of 3
Dezhou University
5. 1 out of 17
Wanhua Chemical (ningbo) Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today