H10K 50/171
Electron injection layers
Official title: {Electron injection layers}
H10K50/171 (Electron injection layers) appears on 2,797 US grants and 3,698 published applications in this corpus.
Search patents in H10K- Granted patents
- 2,797
- Published applications
- 3,698
- Assignees
- 465
- Inventors
- 4,397
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 18 | 6 |
| 2002 | 17 | 16 |
| 2003 | 21 | 27 |
| 2004 | 16 | 36 |
| 2005 | 19 | 57 |
| 2006 | 20 | 63 |
| 2007 | 23 | 69 |
| 2008 | 19 | 55 |
| 2009 | 25 | 87 |
| 2010 | 51 | 69 |
| 2011 | 60 | 70 |
| 2012 | 51 | 87 |
| 2013 | 65 | 72 |
| 2014 | 72 | 99 |
| 2015 | 114 | 179 |
| 2016 | 119 | 187 |
| 2017 | 145 | 252 |
| 2018 | 175 | 347 |
| 2019 | 231 | 428 |
| 2020 | 248 | 361 |
| 2021 | 244 | 335 |
| 2022 | 261 | 246 |
| 2023 | 249 | 166 |
| 2024 | 225 | 171 |
| 2025 | 186 | 111 |
| 2026 | 96 | 102 |
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
- Method and apparatus for controlling a patient's body temperature by in situ blood temperature modification337US 5,837,003 ARadiant Medical, Inc. · 1998
- Organic electroluminescent device with stabilizing cathode capping layer264US 5,059,861 AEastman Kodak Company · 1991
- Organic electroluminescent device, group of organic electroluminescent devices208US 6,589,673 B1International Manufacturing and Engineering Services Co., Ltd. · 2003
- Light-emitting element179US 8,994,263 B2Semiconductor Energy Laboratory Co.Ltd. · 2015
- Light-emitting element174US 8,981,355 B2Semiconductor Energy Laboratory Co.Ltd. · 2015