H01J 3/22
Using electromagnetic means only
Official title: using electromagnetic means only
H01J3/22 (Using electromagnetic means only) appears on 12 US grants and 10 published applications in this corpus.
Search patents in H01J- Granted patents
- 12
- Published applications
- 10
- Assignees
- 13
- Inventors
- 27
- Latest grant
- 6 Dec 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for generating a focused strong-current charged-particle beam6 Dec 2016US 9,514,908 B2Centre National de la Recherche Scientifique (CNRS)
- Spin rotation device11 Oct 2016US 9,466,454 B2Sanyu Denshi Co. Ltd.
- Particle-beam column corrected for both chromatic and spherical aberration1 Mar 2016US 9,275,817 B2
- Mass analyzer apparatus and systems operative for focusing ribbon ion beams and for separating desired ion species from unwanted ion species in ribbon ion beams30 Dec 2014US 8,921,802 B2
- Multi-axis magnetic lens for focusing a plurality of charged particle beams16 Sep 2014US 8,835,867 B2Hermes Microvision, Inc.
- Photoelectron source, multi-photoelectron source and multi-beam irradiation apparatus7 Aug 2025US 2025/0253141 A1NuFlare Technology, Inc.
- Method and device for generating a focused strong-current charged-particle beam22 Oct 2015US 2015/0303019 A1Centre National de la Recherche Scientifique (CNRS)
- Spin rotation device17 Jul 2014US 2014/0197734 A1Sanyu Denshi Co. Ltd.
- Charged Particle Optics with Azimuthally-Varying Third-Order Aberrations for Generation of Shaped Beams6 Feb 2014US 2014/0034845 A1
- Particle-beam column corrected for both chromatic and spherical aberration10 Oct 2013US 2013/0264477 A1
Most cited
By later US patents
- Particle beam therapy system and adjustment method for particle beam therapy system47US 8,389,949 B2Mitsusbishi Electric Corporation · 2013
- Multiple electron lens18US 4,209,702 AKabushiki Kaisha Akashi Seisakusho · 1980
- High performance, vacuum compatible electromagnetic lens coil9US 5,008,549 AOrchid One Corporation · 1991
- Quick-acting electron-optical lenses8US 4,245,159 ADr. Ing. Rudolf Hell GmbH · 1981
- Focussing solenoid, application thereof and a process for manufacturing same4US 4,511,870 AThomson-CSF · 1985