Inventor
Qingfeng Wan
Inventor
Shizuishan, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Bprimary
B21BRolling of metal20%
B22FWorking metallic powder20%
C22CAlloys20%
H01GCapacitors20%
Y10TTechnical subjects covered by former us classification20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Patents assigned to NINGXIA ORIENT TANTALUM IND CO LTD (1)· patent assignee history
2018Based in Shizuishan, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NINGXIA ORIENT TANTALUM IND CO LTD | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuishan, CN | 1 | 2018 |