H01J 61/547
Using an auxiliary electrode outside the vessel
Official title: {using an auxiliary electrode outside the vessel (H01J61/544 takes precedence)}
H01J61/547 (Using an auxiliary electrode outside the vessel) appears on 191 US grants and 158 published applications in this corpus.
Search patents in H01J- Granted patents
- 191
- Published applications
- 158
- Assignees
- 85
- Inventors
- 464
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 3 |
| 2002 | 4 | 6 |
| 2003 | 11 | 11 |
| 2004 | 7 | 9 |
| 2005 | 6 | 7 |
| 2006 | 5 | 11 |
| 2007 | 3 | 6 |
| 2008 | 6 | 7 |
| 2009 | 5 | 15 |
| 2010 | 3 | 8 |
| 2011 | 8 | 7 |
| 2012 | 12 | 15 |
| 2013 | 10 | 10 |
| 2014 | 10 | 11 |
| 2015 | 9 | 8 |
| 2016 | 4 | 2 |
| 2017 | 5 | 4 |
| 2018 | 4 | 2 |
| 2019 | 4 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 4 | 8 |
| 2023 | 2 | 0 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Light irradiation device3 Sep 2024US 12,080,542 B2Unilam Co., Ltd.
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- Open path planar geometry led triggered flash lamps30 Jul 2026US 2026/0221409 A1Excelitas Technologies Corp.
- Flash lamp28 May 2026US 2026/0148954 A1Mitorika Co., Ltd.
- Treatment device and method1 May 2025US 2025/0134588 A1Koninklijke Philips N. V.
- Excimer lamp and excimer lamp device29 Aug 2024US 2024/0290606 A1Ushio Denki Kabushiki Kaisha
- Flash irradiation device and flash discharge lamp13 Jun 2024US 2024/0194474 A1Ushio Denki Kabushiki Kaisha
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
- High pressure sodium lamp of low power75US 6,051,927 APatent-Truehand-Gesellschaft fuer elektrische Gluelampen mbH · 2000
- Method and apparatus for starting difficult to start electrodeless lamps using a field emission source38US 5,838,108 AFusion UV Systems, Inc. · 1998
- Method of ion plating a thin metallic strip for flashlamp starting33US 4,065,370 AThe United States of America as represented by the Secretary of the Army · 1977
- Low watt metal halide lamp33US 5,144,201 AWelch Allyn, Inc. · 1992