How many patents does
Rinnai Company have?
patents
2,876
families
1,838
granted
679
applications
2,197
JP
1,465
KR
609
CN
269
US
183
EP
72
WO
32
RoW
246
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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
the company report contains more information
Rinnai Company
Top ten assignees appearing on patents
2009 - 2018
2018
| rinnai company | 67 |
| nuctech company | 1 |
Rinnai Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| combustion plate | 14 | 2009 |
| heat exchanger | 12 | 2010 |
| hot-water supply system | 11 | 2009 |
| solenoid valve control device | 11 | 2009 |
| latent heat exchanger and hot water supply device | 11 | 2010 |
| combustion plate | 11 | 2011 |
| burner for stove | 10 | 2011 |
| hot-water supply system | 10 | 2009 |
| combined combustion device | 9 | 2013 |
| burner for stove | 9 | 2011 |