SFC CO., LTD.
93Patents
92Active
93Granted
55Portfolio score
Filing activity: Jan 8, 1982 → Sep 5, 2023 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD272884S | Tea kettle or similar article | General | 20 | Expired |
| US8541113B2 | Pyrene compounds and organic electroluminescent devices using the same | Chemistry; Metallurgy | 13 | Active |
| US8071226B2 | Red phosphorescent compounds and organic electroluminescent devices using the same | Emerging Cross-Sectional Technologies | 9 | Active |
| US8887474B1 | Method of creating an interior wall panel | Performing Operations; Transporting | 8 | Active |
| US8293381B2 | Anthracene derivative and organic electroluminescent device using the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US10014479B2 | Organic light-emitting diode with high efficiency and long lifetime | Electricity | 7 | Active |
| US7846558B2 | Blue light emitting compound and organic electroluminescent device using the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US10468603B2 | Organic light-emitting diode having low driving voltage and long lifespan | Electricity | 5 | Active |
| US10316013B2 | Organic light emitting compound and organic light emitting device including the same | Electricity | 3 | Active |
| US10559758B2 | Organic light emitting diode of high efficiency | Electricity | 3 | Active |
| US10797259B2 | Organic light-emitting diode with high efficiency | Electricity | 3 | Active |
| US10790450B2 | Organic light-emitting diode with high efficiency and long lifetime | Electricity | 2 | Active |
| US10693084B2 | Compound for organic light-emitting device and organic light-emitting device including same | Electricity | 2 | Active |
| US10505119B2 | Organic electroluminescence device | Electricity | 2 | Active |
| US10950802B2 | Organic light-emitting diode with high efficiency | Electricity | 2 | Active |
| US10741768B2 | Organic light-emitting diode with high efficiency | Electricity | 2 | Active |
| US8439853B2 | Electric moxibustion device | Human Necessities | 2 | Active |
| US10562876B2 | Organic compounds for organic light-emitting diode and organic light-emitting diode including the same | Electricity | 1 | Active |
| US11217754B2 | Organic electroluminescence device | Electricity | 1 | Active |
| US11158811B2 | Organic electroluminescent device | Electricity | 1 | Active |
| US11456428B2 | Indolocarbazole derivatives and organic electroluminescent devices using the same | Electricity | 1 | Active |
| US10950814B2 | Organic light-emitting diode having long lifespan property | Electricity | 1 | Active |
| US12137613B2 | Polycyclic compound and organoelectro luminescent device using same | Electricity | 1 | Active |
| US10947449B2 | Organic light-emitting diode with high efficiency and long lifetime | Electricity | 1 | Active |
| US9324504B2 | Organic metal dye, and photoelectric element and dye-sensitized solar cell using the organic metal dye | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.