How many patents does
D & M Holdings have?
patents
349
families
146
granted
62
applications
287
JP
118
EP
86
US
76
WO
44
CN
10
GB
2
RoW
13
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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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12,000+
patents
42 million
patent families
23 million
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the following tables are just extracts from the report
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D & M Holdings
Top ten assignees appearing on patents
2009 - 2018
| d & m holdings | 290 |
| d&m holdings us | 7 |
| avega systems | 5 |
| altec lansing australia | 4 |
| tymphany hong kong | 4 |
| d&m holdings, lnc. | 3 |
| inmusic brands | 3 |
| c/o d&m holdings | 1 |
2009
| d & m holdings | 51 |
| avega systems | 4 |
2018
| d & m holdings | 36 |
| d&m holdings us | 2 |
D & M Holdings
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method, system and interface for controlling a subwoofer in a networked audio system | 9 | 2015 |
| microphone stand and microphone stand set | 8 | 2013 |
| operating element and reproducer | 8 | 2006 |
| terminal attachment base, terminal, and audio apparatus | 8 | 2013 |
| content data transmission system and content data transmission method | 7 | 2011 |
| content data transmission system and content data transmission method | 7 | 2011 |
| systems and methods for providing synchronization in a networked environment | 7 | 2009 |
| network device, system and method for rendering an interactive multimedia playlist | 7 | 2013 |
| audio signal interpolation device and audio signal interpolation method | 7 | 2007 |
| headphones and ear pad | 7 | 2011 |