Nitrogenated heterocyclic derivative, electron-transporting material for organic electroluminescent elements, and organic electroluminescent element using same
US-9748496-B2 · Aug 29, 2017 · US
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Sado Takayasu patents
Sado Takayasu holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Jul 14, 2015 |
| Latest publication | Aug 29, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Organic electroluminescence device
US-9324950-B2 · Apr 26, 2016 · US
Organic electroluminescent element
US-9082986-B2 · Jul 14, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Nitrogenated heterocyclic derivative, electron-transporting material for organic electroluminescent elements, and organic electroluminescent element using same
US-9748496-B2 · Aug 29, 2017 · US
Organic electroluminescence device
US-9324950-B2 · Apr 26, 2016 · US
Organic electroluminescent element
US-9082986-B2 · Jul 14, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H01L51/0072 | 3 |
| H10K85/6572 | 3 |
| H01L51/0067 | 2 |
| H01L51/0073 | 2 |
| H10K85/6574 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 3 |
| Electricity | 3 |