How many patents does
Hodogaya Chemical Company have?
patents
1,441
families
187
granted
338
applications
1,103
EP
293
US
249
JP
233
CN
184
WO
147
KR
124
RoW
211
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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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the following tables are just extracts from the report
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Hodogaya Chemical Company
Top ten assignees appearing on patents
Hodogaya Chemical Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| organic electroluminescent device | 26 | 2008 |
| compound having indenocarbazole ring structure and organic electroluminescent element | 18 | 2010 |
| compound containing substituted triphenyle ring structure, and organic electroluminescen… 🛈 | 17 | 2011 |
| compound having substituted anthracene ring structure and pyridoindole ring structure an… 🛈 | 16 | 2009 |
| organic electroluminescent element | 15 | 2013 |
| compound having pyridoindole ring structure bonded with substituted pyridyl group, and o… 🛈 | 15 | 2008 |
| p-terphenyl compound and photosensitive body for electrophotography using such compound | 15 | 2004 |
| compound having substituted pyridyl group and pyridoindole ring structure linked through… 🛈 | 15 | 2008 |
| organic electroluminescent element | 15 | 2009 |
| compound having pyridoindole ring structure having substituted pyridyl group attached th… 🛈 | 15 | 2006 |