How many patents does
Nippon Valqua Industries have?
patents
517
families
121
granted
135
applications
382
JP
101
US
85
WO
75
CN
72
KR
38
EP
38
RoW
108
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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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Nippon Valqua Industries
Top ten assignees appearing on patents
Nippon Valqua Industries
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| fluorine rubber composition capable of forming crack-resistant sealing material and crac… 🛈 | 16 | 2008 |
| seal material for thin plate members | 15 | 2011 |
| method for forming porous ptfe layer | 14 | 2006 |
| method for producing activated carbon sheet and method for improving impregnation of act… 🛈 | 13 | 2013 |
| fluorine rubber composition, crosslinked rubber molded body and method for producing same | 13 | 2013 |
| perfluoroelastomer composition, sealing material and method for producing same | 11 | 2013 |
| method for producing electrode film for electric double layer capacitors | 11 | 2013 |
| metal gasket | 10 | 2008 |
| metal gasket | 10 | 2011 |
| hydrophilic sheet and method for producing same | 9 | 2012 |