How many patents does
Hitachi Communication Technologies have?
patents
899
families
322
granted
326
applications
573
US
377
JP
243
CN
173
EP
86
WO
12
RoW
8
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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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Hitachi Communication Technologies
Top ten assignees appearing on patents
2018
Hitachi Communication Technologies
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| wireless communication apparatus, wireless communication network and software upgrading … 🛈 | 18 | 2003 |
| broadband wireless communication resource assigning method, base station apparatus and t… 🛈 | 14 | 2006 |
| base station equipment | 10 | 2008 |
| network system | 9 | 2007 |
| wireless communication system, radio base station apparatus and radio terminal apparatus | 9 | 2006 |
| packet transfer device | 9 | 2008 |
| communication network system, path calculation device, and communication path establishm… 🛈 | 9 | 2008 |
| noise power estimation apparatus and method | 8 | 2008 |
| frame forwarding apparatus | 8 | 2008 |
| base station and wireless communication system | 8 | 2008 |