H01J 37/32073
Corona discharge
Official title: {Corona discharge}
H01J37/32073 (Corona discharge) appears on 24 US grants and 37 published applications in this corpus.
Search patents in H01J- Granted patents
- 24
- Published applications
- 37
- Assignees
- 31
- Inventors
- 98
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 4 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 4 |
| 2021 | 3 | 3 |
| 2022 | 2 | 3 |
| 2023 | 4 | 3 |
| 2024 | 2 | 4 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface modification method15 Sep 2026US 12,738,465 B2Sekisui Chemical Co., Ltd.
- Multicell or multiarray plasma and method for surface treatment using the same14 Apr 2026US 12,603,250 B2Institut SystèMes Industriels, Haute Ecole De Suisse Occidentale, Valais-Wallis (Hes-So)
- Method and device for ozone-free separation of components in the corona discharge zone2 Jul 2024US 12,023,685 B2Oxypro Ltd.
- Hot showerhead2 Apr 2024US 11,946,140 B2APPLIED Materials.Inc.
- Corona/plasma treatment machine19 Dec 2023US 11,848,175 B23Dt LLC
- Resonant converter for a corona generator18 Sep 2025US 2025/0293596 A1Bourns, Inc.
- Bonding apparatus, bonding system, and bonding method12 Sep 2024US 2024/0304475 A1
- Passivation equipment and passivation method for semiconductor device16 May 2024US 2024/0162003 A1Naidun-tech Co., Ltd.
- Surface modification method16 May 2024US 2024/0162018 A1Sekisui Chemical Co., Ltd.
- Apparatus and method of increasing precision control of charge deposition onto a semiconductor wafer substrate21 Mar 2024US 2024/0094278 A1FemtoMetrix, Inc.
Most cited
By later US patents
- Beam source for production of radicals and metastables18US 5,821,548 ATechnical Visions, Inc. · 1998
- Pulsed plasma generator10US 8,872,429 B22014
- Plasma-aided method and apparatus for hydrogen storage and adsorption of gases into porous powder4US 7,896,950 B22011
- Non thermal plasma surface cleaner and method of use3US 11,042,027 B2King Abdullah University of Science and Technology · 2021
- Method of making induced pluripotent stem cells2US 9,499,797 B2Kyoto University · 2016