H10K 85/656
Comprising two or more different heteroatoms per ring
Official title: {comprising two or more different heteroatoms per ring (H10K85/652 takes precedence)}
H10K85/656 (Comprising two or more different heteroatoms per ring) appears on 869 US grants and 1,288 published applications in this corpus.
Search patents in H10K- Granted patents
- 869
- Published applications
- 1,288
- Assignees
- 321
- Inventors
- 2,490
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 11 |
| 2002 | 19 | 27 |
| 2003 | 33 | 50 |
| 2004 | 40 | 77 |
| 2005 | 33 | 72 |
| 2006 | 26 | 70 |
| 2007 | 40 | 56 |
| 2008 | 27 | 43 |
| 2009 | 28 | 46 |
| 2010 | 41 | 47 |
| 2011 | 53 | 29 |
| 2012 | 40 | 36 |
| 2013 | 31 | 34 |
| 2014 | 26 | 37 |
| 2015 | 30 | 34 |
| 2016 | 25 | 33 |
| 2017 | 19 | 45 |
| 2018 | 34 | 40 |
| 2019 | 33 | 44 |
| 2020 | 31 | 69 |
| 2021 | 33 | 75 |
| 2022 | 39 | 46 |
| 2023 | 40 | 49 |
| 2024 | 41 | 47 |
| 2025 | 26 | 105 |
| 2026 | 22 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound for organic electric element, organic electric element using same, and electronic device thereof15 Sep 2026US 12,735,407 B2Duk San Neolux Co., Ltd.
- Organic electroluminescent materials and devices15 Sep 2026US 12,740,315 B2Universal Display Corporation
- Organic light-emitting device8 Sep 2026US 12,733,394 B2Sfc Co., Ltd.
- Organic light emitting device18 Aug 2026US 12,709,615 B2LG Chem.Ltd.
- Asymmetric donor-acceptor molecular dyes11 Aug 2026US 12,707,888 B2The University of North Carolina at Charlotte
- Photoelectric conversion element, imaging element, optical sensor, and compound8 Oct 2026US 2026/0314154 A1FUJIFILM Corporation
- Organic electroluminescent material and device thereof8 Oct 2026US 2026/0314158 A1Beijing Summer Sprout Technology Co., Ltd.
- Organic electroluminescent material, element and display device8 Oct 2026US 2026/0314163 A1Beijing Summer Sprout Technology Co., Ltd.
- Organic electroluminescent device and display apparatus thereof8 Oct 2026US 2026/0314168 A1Beijing Summer Sprout Technology Co., Ltd.
- Light-emitting device including condensed cyclic compound, electronic apparatus and electronic device each including the light-emitting device, and the condensed cyclic compound8 Oct 2026US 2026/0314171 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Phosphorescent compound, a phosphorescent composition and an organic light-emitting device907US 7,250,226 B2Nippon Hoso Kyokai · 2007
- Organic electroluminescent devices having improved power conversion efficiencies838US 4,539,507 AEastman Kodak Company · 1985
- Electroluminescent element265US 5,281,489 AAsashi Kasei Kogyo Kabushiki Kaisha · 1994
- Organic light-emitting diode devices with improved operational stability221US 7,183,010 B2Eastman Kodak Company · 2007
- Organic electroluminescence device187US 5,317,169 ASumitomo Chemical Company, Limited · 1994