How many patents does
Ntt have?
patents
21,070
families
11,797
granted
4,637
applications
16,433
JP
14,066
EP
1,922
US
1,751
CN
1,269
WO
731
KR
323
GB
4
RoW
1,004
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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
42 million
patent families
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Ntt
Top ten assignees appearing on patents
2009 - 2018
2009
Ntt
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method and system for mobile communications | 49 | 1997 |
| blockchiffriergerät | 38 | 2000 |
| diamond semiconductor element and process for producing the same | 32 | 2005 |
| multi-lane transmission device and multi-lane transmission method | 28 | 2012 |
| ovpn system, ovpn terminating device, collective controlling device, and optical communi… 🛈 | 28 | 2002 |
| living body information detection apparatus and blood-pressure meter | 26 | 2003 |
| planar lightwave circuit, design method for wave propagation circuit, and computer progr… 🛈 | 25 | 2004 |
| optical fiber tape core wire and optical fiber cable housing optical fiber tape core wire | 25 | 2011 |
| light source for optical communication and its wavelength monitoring/controlling method | 25 | 2005 |
| linear predictive analysis apparatus, method, program and recording medium | 24 | 2014 |