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Inventor
MA HAIYAN
CN
3 patents
⚠️ This page may combine multiple inventors who share the name “MA HAIYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NINGXIA ORIENT TANTALUM IND CO LTD
2 patents
US11534830B2
Dec 27, 2022
Tantalum powder and preparation method therefor
NINGXIA ORIENT TANTALUM IND CO LTD
0 citations
45
US10513769B2
Dec 24, 2019
Tantalum powder and process for preparing the same, and sintered anode prepared from the tantalum powder
NINGXIA ORIENT TANTALUM IND CO LTD
0 citations
43
EATON CORP
1 patent
US7829814B2
Nov 9, 2010
Vacuum circuit interrupter grounding assembly
EATON CORP
26 citations
87