H01J 2237/055
Magnetic
Official title: magnetic
H01J2237/055 (Magnetic) appears on 68 US grants and 64 published applications in this corpus.
Search patents in H01J- Granted patents
- 68
- Published applications
- 64
- Assignees
- 35
- Inventors
- 135
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 5 |
| 2007 | 0 | 2 |
| 2008 | 6 | 11 |
| 2009 | 5 | 3 |
| 2010 | 6 | 4 |
| 2011 | 3 | 2 |
| 2012 | 4 | 5 |
| 2013 | 3 | 3 |
| 2014 | 3 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 4 |
| 2021 | 4 | 3 |
| 2022 | 0 | 6 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 4 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ion production system with efficient ion collection19 Aug 2025US 12,391,568 B2SHINE Technologies, LLC
- Multiple secondary electron beam alignment method, multiple secondary electron beam alignment apparatus, and electron beam inspection apparatus24 Jun 2025US 12,339,241 B2NuFlare Technology, Inc.
- Particle beam device having a deflection unit29 Apr 2025US 12,288,664 B2Carl Zeiss Microscopy GmbH
- Electron gun and electron microscope4 Feb 2025US 12,217,928 B2Hitachi High-Tech Corporation
- Apparatus and method for metal contamination control in an ion implantation system using charge stripping mechanism5 Mar 2024US 11,923,169 B2Axcelis Technologies, Inc.
- Ion implanter30 Jul 2026US 2026/0221385 A1Nissin Ion Equipment Co., Ltd.
- Electron gun and electron microscope30 Apr 2026US 2026/0120990 A1Hitachi High-Tech Corporation
- System and method of operating an electron energy loss spectrometer20 Jun 2024US 2024/0201112 A1Gatan, Inc.
- Electron gun and electron microscope22 Dec 2022US 2022/0406558 A1Hitachi High-Tech Corporation
- Ion production system with efficient ion collection17 Nov 2022US 2022/0363558 A1SHINE Technologies, LLC
Most cited
By later US patents
- Low energy, steered ion beam deposition system having high current at low pressure116US 5,206,516 AInternational Business Machines Corporation · 1993
- High current ribbon beam ion implanter73US 5,834,786 ADiamond Semiconductor Group, Inc. · 1998
- Method and apparatus for deflecting charged particles48US 6,160,262 ANissin Electric Co., Ltd. · 2000
- Apparatus and method for charged particle filtering and ion implantation43US 6,639,227 B1APPLIED Materials.Inc. · 2003
- Beam tuning with automatic magnet pole rotation for ion implanters43US 7,476,855 B2Axcelis Technologies, Inc. · 2009