How many patents does
Stella Chemifa Corporation have?
patents
547
families
102
granted
155
applications
392
EP
106
US
98
JP
83
CN
74
KR
43
WO
42
GB
2
RoW
99
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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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Stella Chemifa Corporation
Top ten assignees appearing on patents
Stella Chemifa Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| production process of difluorophosphate, nonaqueous electrolytic solution and nonaqueous… 🛈 | 18 | 2008 |
| process for producing phosphorus pentafluoride and hexafluorophosphate | 15 | 2007 |
| processes for production of phosphorus pentafluoride and hexafluorophosphates | 14 | 2008 |
| method for purifying difluorophosphate | 14 | 2013 |
| surface-modified film, process for producing same, and laminated film and process for pr… 🛈 | 13 | 2009 |
| method for producing difluorophosphate | 13 | 2013 |
| method for manufacturing semiconductor device and method for cleaning semiconductor subs… 🛈 | 13 | 2008 |
| quaternary ammonium salt, electrolyte, and electrochemical device | 13 | 2003 |
| process for production of hexafluorophosphates | 12 | 2008 |
| difluorophosphate production method | 12 | 2013 |