Inventor
Yuewei Cheng
Inventor
Shizuishan, CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder31%
H01GCapacitors25%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys13%
C21DModifying the physical structure of ferrous metals6%
C22BProduction and refining of metals6%
C22CAlloys6%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
PatentTitleYear
10,737,320High-purity tantalum powder and preparation method thereof202010,513,769Tantalum powder and process for preparing the same, and sintered anode prepared from the tantalum powder20199,764,388'Method for preparing tantalum powder of capacitor grade with high nitrogen content, tantalum powder of capacitor grade prepared thereby, and anode and capacitor prepared from tantalum powder'20178,238,078'Valve metal particles uniformly containing nitrogen and the method for preparing the same, the valve metal green pellets and sintered pellets, and the electrolytic capacitor anodes'20127,666,247'Methods for spherically granulating and agglomerating metal particles, and the metal particles prepared thereby, anodes made from the metal patricles'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2017Based in Shizuishan, CN· patent location history
2012Patents assigned to CHENG YUEWEI (1)· patent assignee history
2012Patents assigned to DONG XUECHENG (1)· patent assignee history
2012Patents assigned to LI BIN (1)· patent assignee history
2012Patents assigned to MA YUEZHONG (1)· patent assignee history
2017–2020Patents assigned to NINGXIA ORIENT TANTALUM IND CO LTD (3)· patent assignee history
2019–2020Based in Ningxia, 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 | 3 | 2017–2020 |
| CHENG YUEWEIself | 1 | 2012 |
| DONG XUECHENG | 1 | 2012 |
| LI BIN | 1 | 2012 |
| MA YUEZHONG | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuishan, CN | 3 | 2010–2017 |
| Ningxia, CN | 2 | 2019–2020 |