How many patents does
Tokyo Roki Company have?
patents
266
families
68
granted
64
applications
202
JP
74
EP
72
US
45
CN
30
WO
25
KR
2
RoW
18
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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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Tokyo Roki Company
Top ten assignees appearing on patents
2009
2018
| tokyo roki company | 18 |
| mazda motor corporation | 1 |
Tokyo Roki Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| plate laminate type heat exchanger | 11 | 2007 |
| plate-stacking type heat exchanger | 10 | 2007 |
| plate laminate type heat exchanger | 10 | 2007 |
| exhaust purification device | 10 | 2007 |
| muffling structure of vent pipe and muffling structure of case | 10 | 2008 |
| exhaust emission purifying apparatus for engine | 9 | 2004 |
| oil separator | 9 | 2012 |
| catalyst system for removing nitrogen oxide and method for removing nitrogen oxide | 8 | 2004 |
| oil mist separator | 8 | 2010 |
| oil mist filter and oil separator | 7 | 2015 |