How many patents does
Ledvance have?
patents
512
families
132
granted
104
applications
408
US
149
CN
100
EP
67
WO
65
JP
9
GB
3
KR
2
RoW
117
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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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42 million
patent families
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read summary of their published patent
the following tables are just extracts from the report
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Ledvance
Top ten assignees appearing on patents
2009 - 2018
| ledvance | 199 |
| osram | 198 |
| osram sylvania | 51 |
| terralux | 9 |
| patent-treuhand-gesellschaft fuer … 🛈 | 3 |
| osarm | 2 |
| mitsubishi electric lighting corpo… 🛈 | 1 |
| patra patent treuhand | 1 |
2009
| osram | 13 |
| osram sylvania | 3 |
| patra patent treuhand | 1 |
2018
| ledvance | 132 |
| osram | 12 |
| osram sylvania | 2 |
| terralux | 2 |
Ledvance
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| waterproof portable lamp | 14 | 2007 |
| phosphor blend and fluorescent lamp containing same | 11 | 2009 |
| led retrofit lamp and process for manufacturing the same | 10 | 2012 |
| led lamp | 10 | 2007 |
| electric lamp having an outer bulb, a stem and an integrated lamp | 10 | 2007 |
| light bulb | 10 | 2009 |
| illuminant and illuminant lamp comprising said illuminant | 9 | 2011 |
| low-pressure discharge lamp with fluorescent particles having a small particle size | 8 | 2014 |
| a constant current source circuit and a sampling circuit | 8 | 2011 |
| air cooling of electronic driver in a lighting device | 8 | 2013 |