How many patents does
Tosoh Corporation have?
patents
4,530
families
1,980
granted
1,216
applications
3,314
JP
2,453
EP
518
US
394
CN
341
WO
311
KR
188
RoW
325
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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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Tosoh Corporation
Top ten assignees appearing on patents
Tosoh Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| carbazole compound and use thereof | 20 | 2009 |
| gallium nitride sintered body or gallium nitride molded article, and method for producin… 🛈 | 19 | 2010 |
| sunlight-shielding device | 18 | 2011 |
| light-transmitting sintered zirconia compact, process for producing the same, and use th… 🛈 | 18 | 2008 |
| typical metal containing polysiloxane composition, process for production of same, and u… 🛈 | 18 | 2010 |
| zeolite having copper and alkali earth metal supported thereon | 17 | 2010 |
| solar radiation shielding apparatus | 17 | 2010 |
| cyclic azine derivatives, processes for producing these, and organic electroluminescent … 🛈 | 17 | 2009 |
| cylindrical sputtering target and method for manufacturing the same | 17 | 2008 |
| chabazite-type zeolite and process for producing the same | 16 | 2008 |