H01J 17/38
Cold-cathode tubes
H01J17/38 (Cold-cathode tubes) appears on 572 US grants and 131 published applications in this corpus.
Search patents in H01J- Granted patents
- 572
- Published applications
- 131
- Assignees
- 188
- Inventors
- 819
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 46 | 0 |
| 1977 | 36 | 0 |
| 1978 | 26 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 17 | 0 |
| 1983 | 18 | 0 |
| 1984 | 15 | 0 |
| 1985 | 17 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 16 | 0 |
| 1993 | 11 | 0 |
| 1994 | 12 | 0 |
| 1995 | 21 | 0 |
| 1996 | 20 | 0 |
| 1997 | 26 | 0 |
| 1998 | 31 | 0 |
| 1999 | 30 | 0 |
| 2000 | 23 | 0 |
| 2001 | 12 | 4 |
| 2002 | 6 | 4 |
| 2003 | 13 | 11 |
| 2004 | 9 | 10 |
| 2005 | 6 | 9 |
| 2006 | 8 | 6 |
| 2007 | 2 | 12 |
| 2008 | 2 | 13 |
| 2009 | 2 | 4 |
| 2010 | 4 | 5 |
| 2011 | 3 | 5 |
| 2012 | 5 | 2 |
| 2013 | 5 | 12 |
| 2014 | 11 | 7 |
| 2015 | 3 | 10 |
| 2016 | 8 | 3 |
| 2017 | 4 | 1 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 3 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Switch device7 Jan 2025US 12,191,105 B2Kabushiki Kaisha Toshiba
- Display device, method for manufacturing display device, heat dissipation layer, and electronic device7 May 2024US 11,980,081 B2Boe Technology Group Co., Ltd.
- Glow discharge tube with a set of electrodes within a gas-sealed envelope26 Sep 2023US 11,769,991 B2Unison Industries, LLC
- Bidirectional gas discharge tube25 Oct 2022US 11,482,394 B2General Electric Technology GmbH
- Microscale gas breakdown device and process28 Jun 2022US 11,371,960 B2Board of Trustees of Michigan State University
- Display Device, Method for Manufacturing Display Device, Heat Dissipation Layer, and Electronic Device1 Jun 2023US 2023/0172037 A1Boe Technology Group Co., Ltd.
- Glow discharge tube with a set of electrodes within a gas-sealed envelope6 Apr 2023US 2023/0104635 A1Unison Industries, LLC
- Switch device26 May 2022US 2022/0165532 A1Kabushiki Kaisha Toshiba
- Bidirectional gas discharge tube15 Jul 2021US 2021/0217573 A1General Electric Company
- Metallic Glow Discharge Diode and Triode Devices With Large Cold Cathode As Efficient Charge Generator - A Power Cell27 Aug 2020US 2020/0274464 A1
Most cited
By later US patents
- Very high speed integrated microelectronic tubes410US 4,721,885 ASRI International · 1988
- Socket for use with a micro-component in a light-emitting panel81US 6,545,422 B1Science Applications International Corporation · 2003
- Internal support structure for flat panel device76US 5,589,731 ASilicon Video Corporation · 1996
- Coaxial pseudospark discharge switch74US 5,126,638 AMaxwell Laboratories, Inc. · 1992
- Microdischarge lamp and array73US 6,194,833 B1The Board of Trustees of the University of Illinois · 2001