H01J 2201/196
Emission assisted by other physical processes
Official title: Emission assisted by other physical processes, e.g. field- or photo emission
H01J2201/196 (Emission assisted by other physical processes) appears on 28 US grants and 28 published applications in this corpus.
Search patents in H01J- Granted patents
- 28
- Published applications
- 28
- Assignees
- 17
- Inventors
- 45
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 5 |
| 2010 | 0 | 1 |
| 2011 | 3 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 4 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 3 |
| 2022 | 1 | 4 |
| 2023 | 3 | 5 |
| 2024 | 5 | 3 |
| 2025 | 0 | 1 |
| 2026 | 3 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Electron source and method for manufacturing same, and emitter and device provided with same19 May 2026US 12,633,487 B2Denka Company Limited
- Emitter and device comprising same24 Mar 2026US 12,586,747 B2Denka Company Limited
- Charged particle beam source13 Jan 2026US 12,525,420 B2FEI Company
- Emitter and device provided with same22 Oct 2024US 12,125,663 B2Denka Company Limited
- Cathode mechanism of electron emission source, and method for manufacturing cathode mechanism of electron emission source1 Oct 2024US 12,106,928 B2NuFlare Technology, Inc.
- Emitter and device comprising same3 Jul 2025US 2025/0218717 A1Denka Company Limited
- Emitter and device provided with same9 May 2024US 2024/0153730 A1Denka Company Limited
- Emitter, electron gun in which same is used, electronic device in which same is used, and method for manufacturing same7 Mar 2024US 2024/0079198 A1National Institute for Materials Science
- Electron source, method for manufacturing same, and device provided with electron source25 Jan 2024US 2024/0029989 A1Denka Company Limited
- Electron source and method for manufacturing same, and emitter and device provided with same5 Oct 2023US 2023/0317395 A1Denka Company Limited
Most cited
By later US patents
- Thermal-field type electron source composed of transition metal carbide material with artificial facet6US 9,240,301 B1Applied Physics Technologies, Inc. · 2016
- Electron beam control method, electron beam generating apparatus, apparatus using the same, and emitter4US 9,257,257 B2Shimadzu Corporation · 2016
- Electron emission device comprising carbon nanotubes yarn and method for generating emission current3US 7,638,933 B2Beijing FUNATE Innovation Technology Co., Ltd. · 2009
- Thermionic electron source3US 7,982,382 B2Hon Hai Precision Industry Co., Ltd. · 2011
- Thermionic electron emission device2US 8,072,127 B2Hon Hai Precision Industry Co., Ltd. · 2011