How many patents does
Hejian Technology have?
patents
329
families
235
granted
91
applications
238
CN
295
US
7
WO
1
RoW
26
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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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Hejian Technology
Top ten assignees appearing on patents
2018
Hejian Technology
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| semiconductor fabricating process | 4 | 2008 |
| method of self-aligned silicon nitride overlying for the borderless contact hole of copp… 🛈 | 3 | 2006 |
| image sensor | 3 | 2006 |
| method for manufacturing gate structure | 2 | 2008 |
| deposition doped polysilicon machine board | 2 | 2009 |
| method for improving wafer-stage electromigration performance test | 2 | 2008 |
| ion source with gas buffer balancing function | 2 | 2008 |
| method for detecting wafer edge cleaning width of wafer | 2 | 2008 |
| semiconductor structure with metal silicide and method for forming metal silicide | 2 | 2008 |
| pipeline disassembly clamp | 2 | 2009 |