How many patents does
Tohoku Electric Power Company have?
patents
363
families
169
granted
105
applications
258
JP
231
US
38
EP
32
CN
23
WO
19
KR
8
RoW
12
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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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Tohoku Electric Power Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Tohoku Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| gas turbine and operating method therefor | 30 | 2008 |
| slag monitoring device for coal gasifier and coal gasifier | 14 | 2009 |
| slag melting burner apparatus | 13 | 2008 |
| ground flare | 11 | 2008 |
| air recovery-type cooling structure for air-cooled gas turbine combustor | 10 | 2010 |
| method for producing polylactic acid | 9 | 2010 |
| method to produce semi-crystalline polylactides | 8 | 2011 |
| lightning-strike electric charge estimation system and method | 7 | 2012 |
| process for production of lactic acid and equipment for the production | 6 | 2005 |
| tension balancer | 6 | 2007 |