H01J 61/073
For high-pressure discharge lamps
Official title: for high-pressure discharge lamps
H01J61/073 (For high-pressure discharge lamps) appears on 424 US grants and 337 published applications in this corpus.
Search patents in H01J- Granted patents
- 424
- Published applications
- 337
- Assignees
- 134
- Inventors
- 847
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 13 |
| 2002 | 18 | 22 |
| 2003 | 26 | 16 |
| 2004 | 21 | 23 |
| 2005 | 15 | 17 |
| 2006 | 15 | 19 |
| 2007 | 6 | 26 |
| 2008 | 7 | 16 |
| 2009 | 12 | 27 |
| 2010 | 15 | 27 |
| 2011 | 16 | 20 |
| 2012 | 17 | 18 |
| 2013 | 16 | 8 |
| 2014 | 11 | 12 |
| 2015 | 10 | 12 |
| 2016 | 5 | 11 |
| 2017 | 9 | 9 |
| 2018 | 11 | 10 |
| 2019 | 10 | 6 |
| 2020 | 4 | 5 |
| 2021 | 8 | 7 |
| 2022 | 5 | 5 |
| 2023 | 3 | 2 |
| 2024 | 3 | 3 |
| 2025 | 5 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Discharge lamp28 Apr 2026US 12,614,710 B1Ushio Denki Kabushiki Kaisha
- Tungsten-containing material and direct current discharge lamp electrode4 Nov 2025US 12,460,281 B2A. L. M. T. Corp.
- 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-pressure discharge lamp, in particular high-pressure sodium-vapor lamp, with improved ignitability25 Mar 2025US 12,261,035 B2Ushio Germany GmbH
- Open path planar geometry led triggered flash lamps30 Jul 2026US 2026/0221409 A1Excelitas Technologies Corp.
- Flash lamp28 May 2026US 2026/0148954 A1Mitorika Co., Ltd.
- Tungsten-containing material and direct current discharge lamp electrode10 Jul 2025US 2025/0223674 A1A. L. M. T. Corp.
- Flash lamp3 Oct 2024US 2024/0331997 A1Hamamatsu Photonics K.K.
- Method of Using Refractory Metal Arc Electrodes in Sulfur-Containing Plasma Gases and Sulfur Arc Lamp Based on Same9 May 2024US 2024/0153754 A1Redshift Energy, Inc.
Most cited
By later US patents
- Breakaway mechanism for a row marker85US 4,825,957 ADeere & Company · 1989
- Field emission devices employing diamond particle emitters37US 5,977,697 ALucent Technologies Inc. · 1999
- Short arc lamp with one-piece cathode support component35US 5,789,863 AUshiodenki Kabushiki Kaisha · 1998
- Broadband plasma light sources with cone-shaped electrode for substrate processing33US 7,652,430 B1KLA-Tencor Technologies Corporation · 2010
- Device for operation of a high pressure discharge lamp30US 7,023,144 B2Ushiodenki Kabushiki Kaisha · 2006