C23C 8/36
Using ionised gases
Official title: using ionised gases, e.g. ionitriding
C23C8/36 (Using ionised gases) appears on 439 US grants and 463 published applications in this corpus.
Search patents in C23C- Granted patents
- 439
- Published applications
- 463
- Assignees
- 361
- Inventors
- 1,376
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 4 | 0 |
| 1998 | 20 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 4 |
| 2002 | 10 | 14 |
| 2003 | 12 | 18 |
| 2004 | 8 | 21 |
| 2005 | 4 | 24 |
| 2006 | 12 | 30 |
| 2007 | 9 | 29 |
| 2008 | 5 | 30 |
| 2009 | 9 | 18 |
| 2010 | 17 | 24 |
| 2011 | 17 | 22 |
| 2012 | 16 | 15 |
| 2013 | 10 | 19 |
| 2014 | 15 | 17 |
| 2015 | 8 | 20 |
| 2016 | 9 | 9 |
| 2017 | 14 | 14 |
| 2018 | 15 | 12 |
| 2019 | 12 | 23 |
| 2020 | 12 | 11 |
| 2021 | 14 | 17 |
| 2022 | 13 | 27 |
| 2023 | 12 | 14 |
| 2024 | 17 | 10 |
| 2025 | 8 | 9 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Semiconductor device and method for forming the same4 Aug 2026US 12,701,722 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Method of manufacturing semiconductor device, method of processing substrate, recording medium, and substrate processing apparatus16 Jun 2026US 12,660,524 B2Kokusai Electric Corporation
- Orthopedic implants with increased hardness and increased depth of hardness and method of making19 May 2026US 12,629,449 B2Waldemar Link GmbH & Co. KG
- Plasma processing with tunable nitridation3 Feb 2026US 12,540,384 B2APPLIED Materials.Inc.
- Metal-containing structures, and methods of treating metal-containing material to increase grain size and/or reduce contaminant concentration4 Nov 2025US 12,462,852 B2Micron Technology, Inc.
- Metal oxide or metal nitride-coated steel fasteners8 Oct 2026US 2026/0308795 A1GM Global Technology Operations LLC
- Orthopedic implants with increased hardness and increased depth of hardness and method of making17 Sep 2026US 2026/0273134 A1Waldemar Link GmbH & Co. KG
- Method for nitriding a steel3 Sep 2026US 2026/0258544 A1Safran Transmission Systems
- Laminate, and electrode for electrolysis23 Jul 2026US 2026/0209967 A1Kurita Seisakusho Co., Ltd
- Method for producing a nitrided part of an aircraft turbomachine9 Jul 2026US 2026/0193767 A1Safran
Most cited
By later US patents
- Method of forming film on semiconductor substrate in film-forming apparatus533US 6,187,691 B1ASM Japan K .K. · 2001
- Elimination of flow and pressure gradients in low utilization processes385US 7,955,646 B2APPLIED Materials.Inc. · 2011
- Biofunctional surface modified ocular implants, surgical instruments, medical devices, prostheses, contact lenses and the like367US 6,387,379 B1University of Florida · 2002
- Method of forming a fluorinated silicon oxide layer using plasma chemical vapor deposition303US 5,571,576 AWatkins-Johnson Company · 1996
- Method and device for plasma coating surfaces251US 6,800,336 B12004