H01J 1/16
Characterised by the shape
Official title: characterised by the shape
H01J1/16 (Characterised by the shape) appears on 86 US grants and 66 published applications in this corpus.
Search patents in H01J- Granted patents
- 86
- Published applications
- 66
- Assignees
- 56
- Inventors
- 217
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 6 |
| 2010 | 2 | 5 |
| 2011 | 2 | 3 |
| 2012 | 6 | 2 |
| 2013 | 0 | 4 |
| 2014 | 3 | 2 |
| 2015 | 1 | 5 |
| 2016 | 4 | 5 |
| 2017 | 6 | 3 |
| 2018 | 6 | 2 |
| 2019 | 1 | 3 |
| 2020 | 3 | 3 |
| 2021 | 5 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 6 | 4 |
| 2025 | 3 | 3 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flat emitter with compliant supported end16 Jun 2026US 12,653,467 B2GE Precision Healthcare LLC
- Electron source and method for manufacturing same, and emitter and device provided with same19 May 2026US 12,633,487 B2Denka Company Limited
- Mounted planar filament31 Mar 2026US 12,592,355 B2Moxtek, Inc.
- Electron beam source and the use of the same8 Jul 2025US 12,350,754 B2Arcam AB
- Multi-material thermionic electron emitters8 Apr 2025US 12,272,511 B1EngeniusMicro, LLC
- Flat emitter with compliant supported end18 Sep 2025US 2025/0292986 A1GE Precision Healthcare LLC
- Cathode assemblies, methods for adjusting focal points of x-rays, and methods for controlling focused electron beams27 Mar 2025US 2025/0104957 A1Wuhan United Imaging Healthcare Co., Ltd.
- Mounted planar filament6 Mar 2025US 2025/0079108 A1Moxtek, Inc.
- Monolithic heater for thermionic electron cathode27 Jun 2024US 2024/0212964 A1Applied Physics Technologies, Inc.
- Emitter, electron gun in which same is used, electronic device in which same is used, and method for manufacturing same7 Mar 2024US 2024/0079198 A1National Institute for Materials Science
Most cited
By later US patents
- Cathode arrangement34US 5,343,112 ABalzers Aktiengesellschaft · 1994
- Thermionic cathode structure29US 4,878,866 ADenki Kagaku Kogyo Kabushiki Kaisha · 1989
- Directly heated thermionic flat emitter28US 6,646,366 B2Siemens Aktiengesellschaft · 2003
- Filament for ion implanter plasma shower25US 5,856,674 AEaton Corporation · 1999
- X-ray tube electron sources25US 9,420,677 B2Rapiscan Systems, Inc. · 2016