How many patents does
Sumitomo Seika Chem Company have?
patents
750
families
359
granted
198
applications
552
JP
478
KR
62
CN
60
WO
25
EP
24
US
22
RoW
79
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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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Sumitomo Seika Chem Company
Top ten assignees appearing on patents
Sumitomo Seika Chem Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method and apparatus for separating blast furnace gas | 13 | 2008 |
| method for preserving quality of nitric oxide | 12 | 2013 |
| additive for nonaqueous electrolyte, nonaqueous electrolyte, and electricity storage dev… 🛈 | 12 | 2011 |
| (e)-n-monoalkyl-3-oxo-3-(2-thienyl) propenamine and process for producing the same and p… 🛈 | 12 | 2005 |
| novel diaryl sulfone compound, and manufacturing method for same | 11 | 2010 |
| gas-adsorbing separation equipment | 10 | 2011 |
| novel diaryl sulfone compound, and manufacturing method for same | 10 | 2010 |
| paraffin production method and paraffin production device | 9 | 2012 |
| method and device for purifying propane | 9 | 2010 |
| method for purifying propane, and purification system | 9 | 2011 |