Inventor
Aiguo Zheng
Inventor
Shizuishan, CN
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder29%
H01GCapacitors29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C01BNon-metallic elements6%
C22BProduction and refining of metals6%
C22CAlloys6%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,737,322Composite tantalum powder and process for preparing the same and capacitor anode prepared from the tantalum powder202010,074,486High specific capacitance capacitor-grade tantalum powder with improved electrical properties and process for making the same20189,764,388'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'20179,656,251'Full-Si molecular sieve and its synthesis process'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.
2010–2018Based in Shizuishan, CN· patent location history
2012Patents assigned to CHENG YUEWEI (1)· patent assignee history
2012Patents assigned to DONG XUECHENG (1)· patent assignee history
2017–2020Patents assigned to NINGXIA ORIENT TANTALUM IND CO LTD (3)· patent assignee history
2017Patents assigned to CHINA PETROLEUM & CHEM CORP (1)· patent assignee history
2017Based in Beijing, CN· patent location history
2018–2020Patents assigned to NATIONAL ENGINEERING RES CENTER FOR SPECIAL METAL MATERIALS OF TANTALUM AND NIOBIUM (2)· patent assignee history
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 |
| NATIONAL ENGINEERING RES CENTER FOR SPECIAL METAL MATERIALS OF TANTALUM AND NIOBIUM | 2 | 2018–2020 |
| CHENG YUEWEI | 1 | 2012 |
| CHINA PETROLEUM & CHEM CORP | 1 | 2017 |
| DONG XUECHENG | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuishan, CN | 4 | 2010–2018 |
| Ningxia, CN | 1 | 2020 |
| Beijing, CN | 1 | 2017 |