H01J 37/065
Construction of guns or parts thereof
Official title: Construction of guns or parts thereof (H01J37/067 - H01J37/077 take precedence)
H01J37/065 (Construction of guns or parts thereof) appears on 208 US grants and 193 published applications in this corpus.
Search patents in H01J- Granted patents
- 208
- Published applications
- 193
- Assignees
- 131
- Inventors
- 446
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 2 |
| 2003 | 4 | 5 |
| 2004 | 3 | 6 |
| 2005 | 5 | 4 |
| 2006 | 4 | 4 |
| 2007 | 6 | 4 |
| 2008 | 5 | 9 |
| 2009 | 3 | 5 |
| 2010 | 6 | 13 |
| 2011 | 8 | 9 |
| 2012 | 7 | 5 |
| 2013 | 8 | 3 |
| 2014 | 3 | 8 |
| 2015 | 7 | 8 |
| 2016 | 6 | 6 |
| 2017 | 10 | 11 |
| 2018 | 17 | 15 |
| 2019 | 8 | 11 |
| 2020 | 11 | 8 |
| 2021 | 8 | 12 |
| 2022 | 11 | 10 |
| 2023 | 7 | 10 |
| 2024 | 8 | 11 |
| 2025 | 9 | 6 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Charged particle source28 Apr 2026US 12,614,691 B2ASML Netherlands B. V.
- Filament alignment device21 Apr 2026US 12,609,281 B2Samsung Electronics Co., Ltd.
- Emitter and device comprising same24 Mar 2026US 12,586,747 B2Denka Company Limited
- System and apparatus for stabilizing electron sources in charged particle systems10 Mar 2026US 12,573,580 B2ASML Netherlands B. V.
- Charged particle beam source13 Jan 2026US 12,525,420 B2FEI Company
- Multi-Mode Radio Frequency Cavity1 Oct 2026US 2026/0302123 A1Board of Trustees of Michigan State University
- Electron emission apparatus and electronic apparatus10 Sep 2026US 2026/0269164 A1Westlake University
- Insulator, Charged Particle Gun, and Charged Particle Beam Device6 Aug 2026US 2026/0229440 A1Hitachi High-Tech Corporation
- Insulator, Insulator-Equipped Charged Particle Gun, Insulator-Equipped Charged Particle Beam Device, and Insulator Manufacturing Method6 Aug 2026US 2026/0229441 A1Hitachi High-Tech Corporation
- Charged Particle Beam Device6 Aug 2026US 2026/0229443 A1Hitachi High-Tech Corporation
Most cited
By later US patents
- Cathode arrangement34US 5,343,112 ABalzers Aktiengesellschaft · 1994
- Charged-particle-beam exposure device and charged-particle-beam exposure method29US 5,854,490 AFujitsu Limited · 1998
- Multi-column charged particle optics assembly28US 6,943,351 B2Multibeam Systems, Inc. · 2005
- Method and system for ultrafast photoelectron microscope25US 7,154,091 B2California Institute of Technology · 2006
- Precision electrostatic lens system and method of manufacture24US 5,241,182 AFEI Company · 1993