How many patents does
Yamada Manufacturing Company have?
patents
620
families
127
granted
191
applications
429
US
169
JP
148
CN
136
EP
98
WO
6
KR
1
GB
1
RoW
61
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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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12,000+
patents
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patent families
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read summary of their published patent
the following tables are just extracts from the report
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Yamada Manufacturing Company
Top ten assignees appearing on patents
Yamada Manufacturing Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| relief device for oil circuit of engine | 15 | 2014 |
| internal gear pump | 12 | 2011 |
| internal gear pump | 10 | 2012 |
| steering wheel position adjustment device | 9 | 2007 |
| oil pump with variable capacity | 9 | 2012 |
| steering device | 9 | 2011 |
| internal gear oil pump | 9 | 2013 |
| method for manufacturing trochoid pump and trochoid pump obtained | 8 | 2007 |
| oil pump | 8 | 2011 |
| method for manufacturing closed impeller | 8 | 2009 |