How many patents does
Optasense Holdings have?
patents
673
families
83
granted
138
applications
535
GB
121
US
116
WO
107
EP
73
CN
66
JP
4
KR
1
RoW
185
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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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Optasense Holdings
Top ten assignees appearing on patents
2009 - 2018
| optasense holdings | 429 |
| qinetiq | 165 |
| optasense | 5 |
| optasence holdings | 2 |
| qinetiq limited registered office | 2 |
| qintetiq | 1 |
| qinetiq ltd. (gb) | 1 |
| optical inductor holdings | 1 |
| qinetiq ltd registered office | 1 |
2009
| qinetiq | 16 |
| optasense holdings | 1 |
2018
| optasense holdings | 50 |
| optasense | 2 |
| qinetiq | 1 |
Optasense Holdings
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| well monitoring by means of distributed sensing means | 65 | 2009 |
| conduit monitoring | 31 | 2008 |
| fibre optic distributed sensing | 30 | 2011 |
| optic fibres and fibre optic sensing | 23 | 2009 |
| fibre optic distributed sensing | 19 | 2009 |
| improvements in distributed sensing | 17 | 2009 |
| improvements in distributed fibre optic sensing | 16 | 2009 |
| seismic geophysical surveying using a fibre optic distributed sensing apparatus | 15 | 2011 |
| monitoring transport network infrastructure | 15 | 2012 |
| phase based sensing | 14 | 2009 |