H10K 85/636
Comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
Official title: {comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom}
H10K85/636 (Comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom) appears on 2,643 US grants and 4,455 published applications in this corpus.
Search patents in H10K- Granted patents
- 2,643
- Published applications
- 4,455
- Assignees
- 373
- Inventors
- 3,613
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 4 |
| 2002 | 8 | 13 |
| 2003 | 14 | 19 |
| 2004 | 12 | 23 |
| 2005 | 14 | 24 |
| 2006 | 5 | 28 |
| 2007 | 12 | 53 |
| 2008 | 13 | 51 |
| 2009 | 19 | 52 |
| 2010 | 41 | 67 |
| 2011 | 48 | 56 |
| 2012 | 50 | 89 |
| 2013 | 62 | 90 |
| 2014 | 62 | 181 |
| 2015 | 119 | 219 |
| 2016 | 151 | 287 |
| 2017 | 180 | 300 |
| 2018 | 205 | 216 |
| 2019 | 216 | 250 |
| 2020 | 174 | 280 |
| 2021 | 189 | 305 |
| 2022 | 187 | 352 |
| 2023 | 219 | 430 |
| 2024 | 238 | 408 |
| 2025 | 217 | 356 |
| 2026 | 178 | 302 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Compound for use in organic electroluminescent device and organic electroluminescent device195US 7,993,760 B2Nippon Steel Chemical Co., Ltd. · 2011
- Light-emitting element192US 9,604,928 B2Semiconductor Energy Laboratory Co.Ltd. · 2017
- Light-emitting element179US 8,994,263 B2Semiconductor Energy Laboratory Co.Ltd. · 2015
- Light-emitting element177US 8,853,680 B2Semiconductor Energy Laboratory Co.Ltd. · 2014
- Light-emitting element176US 9,175,213 B2Semiconductor Energy Laboratory Co.Ltd. · 2015