48 Utility Patents
#40 in Ibaraki
#7,882 in Japan
#37,532 in the World
Forward Citations = 168
Company Filing History:
Xiamen Tungsten Co., Ltd.
4. 8 out of 402
5. 7 out of 9
Fujian Changting Golden Dragon Rare-earth Co., Ltd
where one patent can have more than one assignee
Get your Inventor Badge Today