H01J 2201/30496
Oxides
H01J2201/30496 (Oxides) appears on 29 US grants and 31 published applications in this corpus.
Search patents in H01J- Granted patents
- 29
- Published applications
- 31
- Assignees
- 22
- Inventors
- 70
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 4 |
| 2012 | 3 | 1 |
| 2013 | 3 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 4 |
| 2016 | 0 | 1 |
| 2017 | 3 | 2 |
| 2018 | 0 | 1 |
| 2019 | 3 | 3 |
| 2020 | 5 | 1 |
| 2021 | 1 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Emitter, electron gun in which same is used, electronic device in which same is used, and method for manufacturing same14 May 2024US 11,984,294 B2National Institute for Materials Science
- Field-emission type electron source and charged particle beam device using the same19 Mar 2024US 11,935,720 B1
- Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite9 Jan 2024US 11,870,060 B2Samsung Electronics Co., Ltd.
- Field-emission type electron source and charged particle beam device using the same19 Dec 2023US 11,848,169 B1
- Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite5 Dec 2023US 11,837,714 B2Samsung Electronics Co., Ltd.
- Emitter, electron gun and electronic apparatus, and emitter manufacturing method4 Dec 2025US 2025/0372334 A1
- 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
- Cathode structure for cold field electron emission and method of fabricating the same27 May 2021US 2021/0159038 A1National University of Singapore
- Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite25 Feb 2021US 2021/0057729 A1Samsung Electronics Co., Ltd.
- Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite18 Feb 2021US 2021/0050590 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Nanostructure field emission cathode structure and method for making6US 9,053,890 B2University Health Network · 2015
- Switched ferroelectric plasma ionizer4US 8,247,784 B2California Institute of Technology · 2012
- Field electron emission source4US 8,350,459 B2Hon Hai Precision Industry Co., Ltd. · 2013
- Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite3US 10,249,871 B2Samsung Electronics Co., Ltd. · 2019
- Electron emission device comprising carbon nanotubes yarn and method for generating emission current3US 7,638,933 B2Beijing FUNATE Innovation Technology Co., Ltd. · 2009