H01J 61/54
Igniting arrangements
Official title: Igniting arrangements, e.g. promoting ionisation for starting
H01J61/54 (Igniting arrangements) appears on 564 US grants and 362 published applications in this corpus.
Search patents in H01J- Granted patents
- 564
- Published applications
- 362
- Assignees
- 190
- Inventors
- 1,089
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 17 | 0 |
| 1983 | 7 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 18 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 19 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 9 |
| 2002 | 12 | 21 |
| 2003 | 27 | 21 |
| 2004 | 12 | 18 |
| 2005 | 15 | 19 |
| 2006 | 11 | 27 |
| 2007 | 13 | 19 |
| 2008 | 13 | 13 |
| 2009 | 12 | 23 |
| 2010 | 12 | 26 |
| 2011 | 12 | 9 |
| 2012 | 19 | 28 |
| 2013 | 15 | 14 |
| 2014 | 22 | 18 |
| 2015 | 16 | 20 |
| 2016 | 15 | 11 |
| 2017 | 10 | 12 |
| 2018 | 14 | 7 |
| 2019 | 12 | 3 |
| 2020 | 3 | 4 |
| 2021 | 2 | 4 |
| 2022 | 7 | 15 |
| 2023 | 7 | 4 |
| 2024 | 13 | 9 |
| 2025 | 4 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of fabricating a high-pressure laser-sustained-plasma lamp6 Oct 2026US 12,755,922 B1KLA Corporation
- Discharge lamp28 Apr 2026US 12,614,710 B1Ushio Denki Kabushiki Kaisha
- Inspection apparatus9 Dec 2025US 12,493,021 B2Shimadzu Corporation
- Flash lamp1 Jul 2025US 12,347,669 B2Hamamatsu Photonics K.K.
- Method of using refractory metal arc electrodes in sulfur-containing plasma gases and sulfur arc lamp based on same29 Apr 2025US 12,288,681 B2Redshift Energy, Inc.
- High Frequency Plasma Light Source3 Sep 2026US 2026/0260865 A1neonsee GmbH
- Open path planar geometry led triggered flash lamps30 Jul 2026US 2026/0221409 A1Excelitas Technologies Corp.
- Spectral range extension for laser-sustained plasma light collection28 May 2026US 2026/0148951 A1KLA Corporation
- Flash lamp28 May 2026US 2026/0148954 A1Mitorika Co., Ltd.
- Method and apparatus for light generation29 Jan 2026US 2026/0031316 A1Excelitas Technologies Corp.
Most cited
By later US patents
- Light-emitting structure having leakage current limited by an electrical conductor with an adjustable frequency and an adjustable potential126US 8,120,236 B2Saint-Gobain Glass France · 2012
- Lamp including sulfur105US 5,404,076 AFusion Systems Corporation · 1995
- Microwave generated plasma light source apparatus102US 4,498,029 AMitsubishi Denki Kabushiki Kaisha · 1985
- Laser-driven light source86US 7,435,982 B2Energetiq Technology, Inc. · 2008
- Laser-driven light source80US 7,786,455 B2Energetiq Technology, Inc. · 2010