C23F 4/04
Processes for removing metallic material from surfaces, not provided for in group
Official title: by physical dissolution
C23F4/04 (Processes for removing metallic material from surfaces, not provided for in group) appears on 33 US grants and 36 published applications in this corpus.
Search patents in C23F- Granted patents
- 33
- Published applications
- 36
- Assignees
- 32
- Inventors
- 106
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 6 | 8 |
| 2016 | 5 | 6 |
| 2017 | 4 | 6 |
| 2018 | 2 | 3 |
| 2019 | 2 | 1 |
| 2020 | 6 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method for sidewall contamination of MRAM magnetic tunnel26 May 2026US 12,642,005 B2Jiangsu Leuven Instruments Co. Ltd
- Method for etching of metal23 Dec 2025US 12,506,112 B2Tokyo Electron Limited
- Manufacturing method for soup pot with partial concave-convex patterns on outer surface thereof17 May 2022US 11,330,928 B2Jiangmen Yishan Metal Products Co., Ltd.
- Magnetic head including spin torque oscillator and manufacturing method for the same13 Oct 2020US 10,803,888 B1Headway Technologies, Inc.
- Metal member, composite of metal member and resin member, and production method therefor25 Aug 2020US 10,755,998 B2Denso Corporation
- Laser-induced structures for biomedical use19 Jun 2025US 2025/0196254 A1American Sterilizer Company
- Method for manufacturing electrodes12 Jun 2025US 2025/0189478 A1
- Control method for sidewall contamination of mram magnetic tunnel5 Dec 2024US 2024/0407267 A1Jiangsu Leuven Instrument Co. Ltd
- Method for Etching of Metal6 Apr 2023US 2023/0108117 A1Tokyo Electron Limited
- Manufacturing method for soup pot with partial concave-convex patterns on outer surface thereof7 Oct 2021US 2021/0307551 A1Jiangman Yishan Metal Products Co., Ltd.
Most cited
By later US patents
- Methods of and apparatus for forming conductive patterns on a substrate28US 4,606,788 A1986
- Method of making a stent28US 9,114,032 B1Medtronic Vascular, Inc. · 2015
- Flex-rigid printed wiring board and manufacturing method thereof17US 8,188,372 B2Daisho Denshi Co., Ltd. · 2012
- Sacrificial cover layers for laser drilling substrates and methods thereof15US 9,758,876 B2Corning Incorporated · 2017
- Fe-Mn-Al-C based alloy articles and parts and their treatments12US 4,975,335 AFancy Steel Corporation · 1990