How many patents does
Wolfson Microelectronics have?
patents
1,300
families
186
granted
472
applications
828
GB
603
US
364
CN
103
WO
100
EP
46
KR
27
JP
4
RoW
53
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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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patent families
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the following tables are just extracts from the report
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Wolfson Microelectronics
Top ten assignees appearing on patents
2009
| wolfson microelectronics | 195 |
| sonaptic | 1 |
Wolfson Microelectronics
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| improvements relating to dc-dc converters | 58 | 2009 |
| amplifier circuit | 50 | 2007 |
| mems device and process | 29 | 2012 |
| mems process and device | 28 | 2006 |
| speech recognition | 25 | 2013 |
| packaging for mems transducers | 21 | 2014 |
| class-d amplifier circuits | 21 | 2013 |
| charge pump circuit and methods of operation thereof | 20 | 2006 |
| data transfer | 20 | 2011 |
| audio device | 19 | 2005 |