How many patents does
Shanghai Tobacco have?
patents
776
families
577
granted
182
applications
594
CN
745
US
11
WO
9
GB
3
JP
2
KR
1
EP
1
RoW
4
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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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patent families
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the following tables are just extracts from the report
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Shanghai Tobacco
Top ten assignees appearing on patents
2009 - 2018
Shanghai Tobacco
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method of testing moisture retention of tobacco | 10 | 2010 |
| full-automatic climatic chest for dynamic tobacco water analysis | 6 | 2013 |
| method and device for forming cigarette filter rod | 5 | 2012 |
| analyzing device using gas phase chromatography and inverse gas phase chromatography tog… 🛈 | 5 | 2011 |
| smoking machine for electronic cigarette | 5 | 2015 |
| supercritical extraction method of characteristic flavor substance contained in differen… 🛈 | 4 | 2010 |
| application of aqueous solution of salt serving as hydrous stem humectant | 4 | 2012 |
| method for emptying solvent from liquid chromatography and gas chromatography on-line co… 🛈 | 3 | 2013 |
| adhesive composition for cigarette seam and a preparation method therefore | 3 | 2012 |
| filter stick for cigarette | 3 | 2010 |