3 Utility Patents
#6,754 in Shanghai
#44,638 in China
Forward Citations = 3
Company Filing History:
East China University of Science and Technology
Luoyang Petrochemical Engineering Corporation (lpec) Sinopec
Sinopec Zhenhai Refining & Chemical Company Limited
4. 1 out of 1
Shanghai Huachang Environment Protection Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today