How many patents does
China Tobacco Chuanyu Industrial Corporation have?
patents
669
families
438
granted
216
applications
453
CN
639
GB
9
WO
7
KR
7
EP
3
US
2
RoW
2
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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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China Tobacco Chuanyu Industrial Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
China Tobacco Chuanyu Industrial Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for improving tobacco stalk quality by combining steam explosion and enzyme treat… 🛈 | 7 | 2010 |
| c5 or c6 monosaccharide-(e)-3-(furyl-2-yl) monoacrylate compound, preparation method and… 🛈 | 7 | 2010 |
| method for improving the quality of tobacco stem by combining steam explosion and anaero… 🛈 | 7 | 2010 |
| composite filter comprising biological composition | 6 | 2009 |
| cellulose base - silicon hybridization microsphere and preparation method thereof | 4 | 2012 |
| air flow control lifting-type flame heater | 4 | 2014 |
| cigarette paper additive with harm-reduction function, and application thereof | 4 | 2012 |
| filter additive for reducing nitrosamines in cigarette smoke and application of filter a… 🛈 | 4 | 2012 |
| micro-mesoporous core-shell composite molecular sieve for reducing harmful ingredients o… 🛈 | 4 | 2013 |
| cut tobacco drying technology method adopting sh94 to reduce bap (benzopyrene) release a… 🛈 | 3 | 2013 |