C04B 41/0054
Plasma-treatment
Official title: {Plasma-treatment, e.g. with gas-discharge plasma}
C04B41/0054 (Plasma-treatment) appears on 21 US grants and 31 published applications in this corpus.
Search patents in C04B- Granted patents
- 21
- Published applications
- 31
- Assignees
- 33
- Inventors
- 126
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 3 |
| 2022 | 2 | 5 |
| 2023 | 3 | 2 |
| 2024 | 2 | 4 |
| 2025 | 2 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic article, semiconductor apparatus for manufacturing a semiconductor structure and method of manufacturing a ceramic article25 Aug 2026US 12,715,816 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Sintered ceramic body of large dimension and method of making26 Aug 2025US 12,398,079 B2Heraeus Covantics North America LLC
- Method and apparatus for reducing the work function of polycrystalline metal hexaboride25 Feb 2025US 12,237,137 B2California Institute of Technology
- Method for applying a coating to a surface of a mullite material, mullite material having a coating, and gas turbine component23 Apr 2024US 11,964,921 B2Oerlikon Surface Solutions AG, PfäFfikon
- Method for depositing a decorative and/or functional metal layer on a surface of an article made of an electrically non-conductive ceramic material9 Apr 2024US 11,952,667 B2The Swatch Group Research and Development Ltd
- Oxidative resistance of carbon-carbon composites for piston seals in a gas turbine engine10 Sep 2026US 2026/0265154 A1Rtx Corporation
- Selective etch of titanium carbide materials using oxidation22 Jan 2026US 2026/0022079 A1Tokyo Electron Limited
- Sintered ceramic body and method of making13 Nov 2025US 2025/0346537 A1Heraeus Covantics North America LLC
- Surface modification method of zirconia material using vacuum plasma27 Mar 2025US 2025/0099342 A1Ajou University Industry-Academic Cooperation Foundation
- Surface modification method of zirconia material using atmospheric pressure plasma27 Mar 2025US 2025/0100944 A1Ajou University Industry-Academic Cooperation Foundation
Most cited
By later US patents
- Surface treatment of magnetic recording heads71US 5,476,691 AInternational Business Machines Corporation · 1995
- Semiconductor processing equipment having improved particle performance48US 6,890,861 B1Lam Research Corporation · 2005
- Surface treatment of magnetic recording heads26US 5,838,522 AThe Regents of the University of California · 1998
- Semiconductor processing equipment having improved particle performance24US 7,802,539 B2Lam Research Corporation · 2010
- Shellac-coated particles of active ingredients with controlled release properties at high pH-values, process for their manufacture and use thereof13US 9,416,050 B2Construction Research & Technology GmbH · 2016