Organic EL multi-color light-emitting device
US-10276637-B2 · Apr 30, 2019 · US
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Kato Tomoki patents
Kato Tomoki holds 17 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 17 |
| Recent patents | 0 |
| First publication | Jan 6, 2015 |
| Latest publication | Apr 30, 2019 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Aromatic amine derivative, and organic electroluminescent element
US-10246441-B2 · Apr 2, 2019 · US
Nitrogenated aromatic heterocyclic derivative, and organic electroluminescent element using same
US-10043977-B2 · Aug 7, 2018 · US
Aromatic amine derivative and organic electroluminescence element using same
US-9634255-B2 · Apr 25, 2017 · US
Bis-carbazole derivative and organic electroluminescent element using same
US-9564595-B2 · Feb 7, 2017 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Organic EL multi-color light-emitting device
US-10276637-B2 · Apr 30, 2019 · US
Aromatic amine derivative, and organic electroluminescent element
US-10246441-B2 · Apr 2, 2019 · US
Nitrogenated aromatic heterocyclic derivative, and organic electroluminescent element using same
US-10043977-B2 · Aug 7, 2018 · US
Aromatic amine derivative and organic electroluminescence element using same
US-9634255-B2 · Apr 25, 2017 · US
Bis-carbazole derivative and organic electroluminescent element using same
US-9564595-B2 · Feb 7, 2017 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| C09K11/06 | 14 |
| H10K50/11 | 13 |
| H10K85/6572 | 13 |
| H01L51/0072 | 12 |
| C09K2211/1007 | 10 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 17 |
| Chemistry & Metallurgy | 16 |
| Cross-Sectional Technologies | 2 |
| Physics | 1 |