How many patents does
Cirrus Logic International Semiconductor have?
patents
2,201
families
395
granted
447
applications
1,754
GB
890
US
658
WO
283
CN
122
EP
101
KR
53
JP
22
RoW
72
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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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Cirrus Logic International Semiconductor
Top ten assignees appearing on patents
2009
| wolfson microelectronics | 41 |
Cirrus Logic International Semiconductor
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 |
| 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 |
| direct current (dc) and/or alternating current (ac) load detection for audio codec | 19 | 2016 |