H01J 1/00
Details of electrodes, of magnetic control means, of screens, or of the
Official title: Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps (details of electron-optical or ion-optical arrangements H01J3/00)
H01J1/00 (Details of electrodes, of magnetic control means, of screens, or of the) appears on 3,399 US grants and 2,480 published applications in this corpus.
Search patents in H01J- Granted patents
- 3,399
- Published applications
- 2,480
- Assignees
- 983
- Inventors
- 5,405
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 24 | 0 |
| 1978 | 34 | 0 |
| 1979 | 30 | 0 |
| 1980 | 19 | 0 |
| 1981 | 29 | 0 |
| 1982 | 26 | 0 |
| 1983 | 23 | 0 |
| 1984 | 23 | 0 |
| 1985 | 23 | 0 |
| 1986 | 19 | 0 |
| 1987 | 24 | 0 |
| 1988 | 22 | 0 |
| 1989 | 35 | 0 |
| 1990 | 39 | 0 |
| 1991 | 52 | 0 |
| 1992 | 47 | 0 |
| 1993 | 49 | 0 |
| 1994 | 50 | 0 |
| 1995 | 59 | 0 |
| 1996 | 77 | 0 |
| 1997 | 90 | 0 |
| 1998 | 125 | 0 |
| 1999 | 101 | 0 |
| 2000 | 106 | 0 |
| 2001 | 88 | 42 |
| 2002 | 121 | 121 |
| 2003 | 124 | 158 |
| 2004 | 158 | 209 |
| 2005 | 139 | 200 |
| 2006 | 114 | 199 |
| 2007 | 104 | 185 |
| 2008 | 101 | 126 |
| 2009 | 92 | 163 |
| 2010 | 148 | 127 |
| 2011 | 120 | 96 |
| 2012 | 100 | 73 |
| 2013 | 86 | 100 |
| 2014 | 81 | 77 |
| 2015 | 70 | 68 |
| 2016 | 76 | 52 |
| 2017 | 67 | 59 |
| 2018 | 60 | 36 |
| 2019 | 48 | 70 |
| 2020 | 86 | 47 |
| 2021 | 54 | 65 |
| 2022 | 44 | 45 |
| 2023 | 43 | 55 |
| 2024 | 50 | 52 |
| 2025 | 52 | 34 |
| 2026 | 21 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01J 1/02Main electrodes3,025
- H01J 1/54Screens on or from which an image or pattern is formed, picked-up218
- H01J 1/88Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies87
- H01J 1/46Control electrodes75
- H01J 1/52Screens for shielding30
- H01J 1/50Magnetic means for controlling the discharge24
- H01J 1/53Electrodes intimately associated with a screen on or from which an image5
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Most cited
By later US patents
- Very high speed integrated microelectronic tubes410US 4,721,885 ASRI International · 1988
- Electron source with micropoint emissive cathodes and display means by cathodoluminescence excited by field emission using said source400US 4,940,916 ACommissariat A L' Energie Atomique · 1990
- Red emitting phosphor materials for use in LED and LCD applications337US 7,358,542 B2Lumination LLC · 2008
- Self-oriented bundles of carbon nanotubes and method of making same326US 6,232,706 B1The Board of Trustees of the Leland Stanford Junior University · 2001
- Vertical microelectronic field emission devices312US 5,475,280 AMcnc · 1995