H01J 65/044
The field being produced by a separate microwave unit
Official title: {the field being produced by a separate microwave unit}
H01J65/044 (The field being produced by a separate microwave unit) appears on 388 US grants and 287 published applications in this corpus.
Search patents in H01J- Granted patents
- 388
- Published applications
- 287
- Assignees
- 102
- Inventors
- 463
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 1 |
| 2002 | 13 | 16 |
| 2003 | 13 | 25 |
| 2004 | 24 | 11 |
| 2005 | 15 | 17 |
| 2006 | 7 | 15 |
| 2007 | 7 | 23 |
| 2008 | 12 | 9 |
| 2009 | 10 | 19 |
| 2010 | 10 | 26 |
| 2011 | 22 | 32 |
| 2012 | 29 | 17 |
| 2013 | 24 | 13 |
| 2014 | 13 | 16 |
| 2015 | 11 | 13 |
| 2016 | 13 | 5 |
| 2017 | 6 | 6 |
| 2018 | 3 | 3 |
| 2019 | 7 | 4 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 3 | 4 |
| 2024 | 3 | 4 |
| 2025 | 2 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Light emitting plasma lamp bulb for solar UV simulation and lamp comprising the same24 Mar 2026US 12,586,772 B2Korea Research Institute of Chemical Technology
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- Microwave-excited light source device18 Feb 2025US 12,230,493 B2Mitsubishi Electric Corporation
- Method and apparatus for light generation29 Jan 2026US 2026/0031316 A1Excelitas Technologies Corp.
- Lighting device using microwave radiation24 Jul 2025US 2025/0235575 A1Signify Holding B. V.
- Microwave excitation light-source device24 Apr 2025US 2025/0132143 A1Mitsubishi Electric Corporation
- Microwave-excited light source device12 Dec 2024US 2024/0412968 A1Mitsubishi Electric Corporation
- Single-side stopping and shock absorbing lamp sleeve and electrodeless lamp illumination device using the same26 Sep 2024US 2024/0321568 A1Kanaue Applied Materials Corp.
Most cited
By later US patents
- Plasma lamp and methods using a waveguide body and protruding bulb526US 7,994,721 B2Luxim Corporation · 2011
- Plasma lamp with stable feedback amplification and method therefor352US 7,638,951 B2Luxim Corporation · 2009
- High frequency inductive lamp and power oscillator157US 6,313,587 B1Fusion Lighting, Inc. · 2001
- Plasma lamp with dielectric waveguide108US 6,737,809 B2Luxim Corporation · 2004
- Lamp including sulfur105US 5,404,076 AFusion Systems Corporation · 1995