How many patents does
Jiangxi Rare Earth And Rare Metals Tungsten Groupcorporation have?
patents
454
families
286
granted
90
applications
364
CN
367
EP
23
US
19
WO
15
KR
11
JP
1
RoW
18
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Jiangxi Rare Earth And Rare Metals Tungsten Groupcorporation
Top ten assignees appearing on patents
2009 - 2018
2018
Jiangxi Rare Earth And Rare Metals Tungsten Groupcorporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for preparing ultrafine tungsten carbide powder | 13 | 2009 |
| tantalum-material multilevel distillation crucible and distillation process | 12 | 2011 |
| method for analyzing and detecting calcium element in ore | 11 | 2009 |
| ball milling method for preparation of hard alloy mixture | 11 | 2009 |
| refining method of high-tellurium crude bismuth | 10 | 2011 |
| process for preparing ammonium metatungstate | 10 | 2009 |
| method of washing anode slime from lead-bismuth alloy electrolysis | 9 | 2009 |
| combined furnace system for fire refining red impure copper | 8 | 2011 |
| heater and heating method for wet extraction tank | 8 | 2011 |
| method for measuring chromium content in a tungsten matrix which is added with chromium/… 🛈 | 8 | 2008 |