H01J 9/18
Assembling together the component parts of electrode systems
H01J9/18 (Assembling together the component parts of electrode systems) appears on 464 US grants and 299 published applications in this corpus.
Search patents in H01J- Granted patents
- 464
- Published applications
- 299
- Assignees
- 174
- Inventors
- 830
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 17 | 0 |
| 1997 | 17 | 0 |
| 1998 | 21 | 0 |
| 1999 | 21 | 0 |
| 2000 | 20 | 0 |
| 2001 | 20 | 9 |
| 2002 | 27 | 31 |
| 2003 | 25 | 32 |
| 2004 | 40 | 27 |
| 2005 | 14 | 31 |
| 2006 | 30 | 27 |
| 2007 | 15 | 24 |
| 2008 | 8 | 6 |
| 2009 | 11 | 6 |
| 2010 | 10 | 6 |
| 2011 | 4 | 4 |
| 2012 | 5 | 2 |
| 2013 | 2 | 7 |
| 2014 | 4 | 8 |
| 2015 | 8 | 5 |
| 2016 | 3 | 5 |
| 2017 | 7 | 7 |
| 2018 | 6 | 9 |
| 2019 | 9 | 8 |
| 2020 | 14 | 7 |
| 2021 | 8 | 6 |
| 2022 | 7 | 10 |
| 2023 | 5 | 9 |
| 2024 | 9 | 7 |
| 2025 | 8 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Agave syrup formulation or suspension for active pharmaceutical agents19 May 2026US 12,629,422 B2Genexa Inc.
- Electron source, electron beam device, and method for manufacturing electron source9 Dec 2025US 12,494,338 B2Hitachi High-Tech Corporation
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices4 Nov 2025US 12,463,000 B2Elve Inc.
- Energy tuner for a gated field emission cathode device, and associated method4 Nov 2025US 12,463,002 B2NCX Corporation
- Brazing structure, brazing method, and x-ray tube15 Jul 2025US 12,362,124 B2Wuhan United Imaging Healthcare Co., Ltd.
- X-ray rotating anode with two different grain structures in the focal track coating16 Jul 2026US 2026/0204507 A1Plansee SE
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices5 Feb 2026US 2026/0038760 A1Elve Inc.
- Multi-layer vacuum electron device and method of manufacture5 Jun 2025US 2025/0182994 A1Elve Inc.
- Electron gun device15 May 2025US 2025/0157778 A1Comet AG
- Pharmaceutical syrup formulation or suspension20 Mar 2025US 2025/0090669 A1
Most cited
By later US patents
- Spacers for field emission display fabricated via self-aligned high energy ablation175US 5,232,549 AMicron Technology, Inc. · 1993
- Glass structures for information displays101US 5,984,747 ACorning Incorporated · 1999
- Spacer structures for use in flat panel displays and methods for forming same91US 5,675,212 ACandescent Technologies Corporation · 1997
- Super high resolution cold cathode fluorescent display79US 5,347,292 APanocorp Display Systems · 1994
- Internal support structure for flat panel device76US 5,589,731 ASilicon Video Corporation · 1996