H01J 2229/4824
Constructional arrangements of electrodes
H01J2229/4824 (Constructional arrangements of electrodes) appears on 56 US grants and 22 published applications in this corpus.
Search patents in H01J- Granted patents
- 56
- Published applications
- 22
- Assignees
- 26
- Inventors
- 100
- Latest grant
- 24 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 3 |
| 2003 | 4 | 4 |
| 2004 | 4 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Field emission device24 May 2022US 11,342,153 B2Electronics and Telecommunications Research Institute
- Method of operating a charged particle gun, charged particle gun, and charged particle beam device25 Jan 2022US 11,232,924 B2ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH
- Method of operating a charged particle gun, charged particle gun, and charged particle beam device8 Dec 2020US 10,861,666 B1ICT Integrated Circuit Testing Gesellschaft für Halbletterprüftechnik mbH
- Electron-beam spot optimization7 Jan 2020US 10,529,529 B2Moxtek, Inc.
- X-ray tube including hybrid electron emission source4 Dec 2018US 10,147,581 B2Electronics and Telecommunications Research Institute
- Insulator, Charged Particle Gun, and Charged Particle Beam Device6 Aug 2026US 2026/0229440 A1Hitachi High-Tech Corporation
- Field emission device30 Sep 2021US 2021/0305002 A1Electronics and Telecommunications Research Institute
- Method of operating a charged particle gun, charged particle gun, and charged particle beam device5 Aug 2021US 2021/0241990 A1ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH
- Electron-Beam Spot Optimization26 Oct 2017US 2017/0309436 A1Moxtek, Inc.
- Electron beam emission device14 Sep 2017US 2017/0263411 A1Korea Institute of Industrial Technology
Most cited
By later US patents
- Electron gun for a cathode ray tube26US 5,773,925 ASony Corporation · 1998
- Electron gun with electrode supports17US 6,031,326 AHitachi, Ltd. · 2000
- Electron beam device having an electron gun and a method of making the electron gun11US 4,853,589 AU. S. Philips Corporation · 1989
- Cathode ray tube having a tubular electron gun structure11US 4,857,797 AU. S. Philips Corporation · 1989
- Cathode-ray tube11US 6,133,685 AMatsushita Electronics Corporation · 2000