How many patents does
Ckd Corporation have?
patents
1,913
families
620
granted
568
applications
1,345
JP
758
CN
335
US
231
KR
191
WO
90
EP
32
RoW
276
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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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read summary of their published patent
the following tables are just extracts from the report
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Ckd Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
| ckd corporation | 91 |
| tokyo electron | 2 |
| fujico company | 1 |
| nikon corporation | 1 |
Ckd Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| vacuum control system and vacuum control method | 17 | 2010 |
| piping joint, apparatus for controlling fluid supply and pipe jointing structure | 13 | 2013 |
| electrical actuator | 12 | 2007 |
| pilot type solenoid valve | 11 | 2014 |
| electromagnetic coil, electromagnetic coil production method and electromagnetic actuator | 11 | 2013 |
| three-dimensional measurement device and board inspecting machine | 11 | 2007 |
| substrate inspection device and component mounting device | 11 | 2014 |
| three-dimensional measurement device | 11 | 2012 |
| manufacturing apparatus | 11 | 2015 |
| fluid-driven shutoff valve | 10 | 2013 |