H01J 23/10
Magnet systems for directing or deflecting the discharge along a desired path
Official title: Magnet systems for directing or deflecting the discharge along a desired path, e.g. a spiral path (magnetic focusing arrangements H01J23/08)
H01J23/10 (Magnet systems for directing or deflecting the discharge along a desired path) appears on 75 US grants and 38 published applications in this corpus.
Search patents in H01J- Granted patents
- 75
- Published applications
- 38
- Assignees
- 45
- Inventors
- 132
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 6 |
| 2005 | 3 | 1 |
| 2006 | 4 | 5 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 4 |
| 2017 | 6 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices4 Nov 2025US 12,463,000 B2Elve Inc.
- Multi-layer vacuum electron device and method of manufacture4 Feb 2025US 12,217,926 B2Elve Inc.
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices16 Apr 2024US 11,961,693 B2Elve Inc.
- Multi-layer vacuum electron device and method of manufacture6 Feb 2024US 11,894,208 B2Elve Inc.
- Substrate processing apparatus and substrate processing method3 Jan 2023US 11,542,602 B2Tokyo Electron Limited
- Electromagnetic radiation generation2 Jul 2026US 2026/0188529 A1United Kingdom Atomic Energy Authority
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices5 Feb 2026US 2026/0038760 A1Elve Inc.
- Directed self-assembly of helices via electrodeposition on end-tethered nanomembrane ribbons for millimeter-wave traveling-wave tube amplifiers9 Oct 2025US 2025/0317115 A1UNM Rainforest Innovations
- Multi-layer vacuum electron device and method of manufacture5 Jun 2025US 2025/0182994 A1Elve Inc.
- Large electron tube, magnetic body, and method for using large electron tube30 Jan 2025US 2025/0037959 A1National Institutes for Quantum Science and Technology
Most cited
By later US patents
- Multi-stage depressed collector for small orbit gyrotrons39US 5,780,970 ACalabazas Creek Research Center, Inc. · 1998
- Hollow substantially hemispherical permanent magnet high-field flux source for producing a uniform high field31US 4,837,542 AThe United States of America as represented by the Secretary of the Army · 1989
- Magnetron with reduced dark current15US 5,635,798 AHitachi Electronic Devices Co., Ltd. · 1997
- Cylindrical permanent magnet unit suitable for gyrotron13US 5,576,679 AMitsubishi Denki Kabushiki Kaisha · 1996
- Permanent magnets of different magnetic materials for magnetrons12US 4,048,542 ATokyo Shibaura Electric Co., Ltd. · 1977