H01J 2329/0431
Nanotubes
H01J2329/0431 (Nanotubes) appears on 20 US grants and 25 published applications in this corpus.
Search patents in H01J- Granted patents
- 20
- Published applications
- 25
- Assignees
- 11
- Inventors
- 32
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 6 |
| 2013 | 6 | 3 |
| 2014 | 4 | 3 |
| 2015 | 3 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Carbon nanotube based cold cathodes for x-ray generation15 Jul 2025US 12,362,125 B2
- Composite carbon nanotube structure12 Jun 2018US 9,997,323 B2Hon Hai Precision Industry Co., Ltd.
- Method for fabricating field emission cathode structure21 Jul 2015US 9,087,667 B2Hon Hai Precision Industry Co., Ltd.
- Composition for forming electron emission source, electron emission source including the composition, method of preparing the electron emission source, and field emission device including the electron emission source19 May 2015US 9,034,212 B2Samsung Electronics Co., Ltd.
- Electron emission element and method for manufacturing the same6 Jan 2015US 8,928,215 B2Intellectual Discovery Co., Ltd.
- Carbon nanotube based cold cathodes for x-ray generation26 Feb 2026US 2026/0058086 A1Carestream Dental LLC
- Carbon nanotube based cold cathodes for x-ray generation22 Feb 2024US 2024/0062984 A1
- Electron emission element and method for manufacturing the same2 Oct 2014US 2014/0292181 A1Intellectual Discovery Co., Ltd.
- Method for fabricating field emission cathode structure19 Jun 2014US 2014/0166494 A1Hon Hai Precision Industry Co., Ltd.
- Composite carbon nanotube structure6 Feb 2014US 2014/0037895 A1Hon Hai Precision Industry Co., Ltd.
Most cited
By later US patents
- Article comprising metal oxide nanostructures and method for fabricating such nanostructures18US 7,276,389 B2Samsung Electronics Co., Ltd. · 2007
- Carbon nanotube fiber cathode5US 8,766,522 B1The United States of America as represented by the Secretary of the Air Force · 2014
- Field emission cathode device and display using the same2US 8,030,837 B2Hon Hai Precision Industry Co., Ltd. · 2011
- Emitter having carbon nanotubes2US 8,421,327 B2Hon Hai Precision Industry Co., Ltd. · 2013
- Field emission electronic device2US 8,450,920 B2Hon Hai Precision Industry Co., Ltd. · 2013