How many patents does
Nippon Telegraph & Telephone West Corporation have?
patents
304
families
213
granted
83
applications
221
JP
296
WO
2
EP
2
US
1
CN
1
RoW
2
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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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the following tables are just extracts from the report
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Nippon Telegraph & Telephone West Corporation
Top ten assignees appearing on patents
2009 - 2018
2018
Nippon Telegraph & Telephone West Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| data communication system, data communication terminal, data communication method, and c… 🛈 | 8 | 2011 |
| packet extraction method, packet extraction device, and packet extraction program | 2 | 2011 |
| information registration and acquisition system | 2 | 2012 |
| communication device and communication method | 2 | 2012 |
| relay device | 2 | 2012 |
| port opening closing control method by detecting presence of portable terminal within se… 🛈 | 2 | 2012 |
| packet relay device, packet relay method, and packet relay program | 2 | 2012 |
| communication system, and communication control method | 2 | 2012 |
| repeating device | 2 | 2012 |
| power supply tap master unit, and power supply tap control system | 2 | 2012 |