How many patents does
Sumco Corporation have?
patents
4,288
families
1,456
granted
1,192
applications
3,096
JP
1,489
US
824
EP
354
KR
319
CN
311
WO
262
RoW
729
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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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patents
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patent families
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the following tables are just extracts from the report
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Sumco Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
| sumco corporation | 191 |
| kishi hiroshi | 2 |
Sumco Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| steering device | 17 | 2011 |
| silicon wafer and method for manufacturing same | 15 | 2009 |
| quartz glass crucible and strain measurement device therefor | 15 | 2013 |
| destructive examination method and quality assessment method for quartz glass crucible | 15 | 2014 |
| method for manufacturing semiconductor substrate | 14 | 2005 |
| silicon wafer and method for manufacturing same | 14 | 2014 |
| manufacturing method and manufacturing system for silicon single crystal | 14 | 2014 |
| method for inspecting silica glass crucible | 14 | 2013 |
| metal contamination evaluation method for semiconductor wafer and semiconductor wafer ma… 🛈 | 14 | 2013 |
| quartz glass crucible and manufacturing method therefor | 14 | 2013 |