How many patents does
China Tobacco Hubei Industrial have?
patents
446
families
348
granted
96
applications
350
CN
444
WO
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 Hubei Industrial
Top ten assignees appearing on patents
2009 - 2018
2009
| china tobacco hubei industrial | 45 |
2018
China Tobacco Hubei Industrial
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| an additive essence for cigarettes | 3 | 2008 |
| device and method for measuring gas phase temperature of a cigarette combustion cone | 2 | 2009 |
| preparation method and application of novel spice for eclipta cigarette | 2 | 2009 |
| method for loosening and humidifying tobaccos and device thereof | 2 | 2008 |
| isatis root extract essence spice for cigarette and preparation method thereof | 2 | 2008 |
| preprocessing method for gc-ms (gas chromatography-mass spectromete) analysis of essence… 🛈 | 2 | 2009 |
| filter rod with composite medical stone and manufacturing method thereof | 2 | 2008 |
| high-efficiency liquid-phase fingerprint main-component analytical method for judging al… 🛈 | 2 | 2008 |
| high-efficiency liquid-phase fingerprint analytical method for judging alcoholizing qual… 🛈 | 2 | 2008 |
| casing flavor for reconstituted tobacco leaves produced by using paper-making method | 2 | 2009 |