H01J 2201/30492
Borides
H01J2201/30492 (Borides) appears on 13 US grants and 15 published applications in this corpus.
Search patents in H01J- Granted patents
- 13
- Published applications
- 15
- Assignees
- 10
- Inventors
- 38
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 3 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Electrode and filament coupled by adapter12 Aug 2025US 12,387,902 B1FEI Company
- Emitter, electron gun in which same is used, electronic device in which same is used, and method for manufacturing same27 Feb 2024US 11,915,920 B2National Institute for Materials Science
- Electron emitter and method of fabricating same27 Jun 2023US 11,688,579 B2ASML Netherlands B. V.
- Electron emitter and method of fabricating same14 Dec 2021US 11,201,032 B2ASML Netherlands B. V.
- Electron emitter and method of fabricating same22 Sep 2020US 10,784,071 B2ASML Netherlands B. V.
- Junction between hexaboride-containing and tantalum-containing components20 Nov 2025US 2025/0357069 A1FEI Company
- Emitter, electron gun in which same is used, electronic device in which same is used, and method for manufacturing same22 Dec 2022US 2022/0406552 A1National Institute for Materials Science
- Electron emitter and method of fabricating same16 Jun 2022US 2022/0189725 A1ASML Netherlands B. V.
- Electron emitter and method of fabricating same13 May 2021US 2021/0142975 A1ASML Netherlands B. V.
- Electron emitter and method of fabricating same6 Jun 2019US 2019/0172674 A1ASML Netherlands B. V.
Most cited
By later US patents
- Field electron emission source4US 8,350,459 B2Hon Hai Precision Industry Co., Ltd. · 2013
- Metal hexaboride cold field emitter, method of fabricating same, and electron gun4US 8,952,605 B2National Institute for Materials Science · 2015
- Electron emitter and method of fabricating same1US 10,784,071 B2ASML Netherlands B. V. · 2020
- Emitter, electron gun in which same is used, electronic device in which same is used, and method for manufacturing same1US 11,915,920 B2National Institute for Materials Science · 2024
- Field emission cathode1US 9,006,964 B2Lightlab Sweden AB · 2015