H01J 2217/40
Gas discharge switches
H01J2217/40 (Gas discharge switches) appears on 39 US grants and 8 published applications in this corpus.
Search patents in H01J- Granted patents
- 39
- Published applications
- 8
- Assignees
- 10
- Inventors
- 44
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 1 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 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
- Plasma panel having spacers as electrodes21 Apr 2009US 7,521,865 B2Au Optronics Corporation
- Plasma switched organic electroluminescent display24 Aug 2004US 6,781,309 B2CLD, Inc.
- Gas discharge display device, plasma addressed liquid crystal display device, and method for producing the same16 Mar 2004US 6,707,250 B2Sharp Kabushiki Kaisha
- AC palc display device with floating electrode6 Jan 2004US 6,674,419 B2Tektronix, Inc.
- Switch device26 May 2022US 2022/0165532 A1Kabushiki Kaisha Toshiba
- Plasma panel9 Dec 2004US 2004/0245927 A1Au Optronics Corporation
- Gas discharge tube and drive method therefor3 Apr 2003US 2003/0063050 A1
- Plasma addressed display device with a function of controlling partial pressure of dopant gas9 Jan 2003US 2003/0006711 A1Koninklijke Philips Electronics N. V.
- Plasma switched organic electroluminescent display30 May 2002US 2002/0063525 A1CLD, Inc.
Most cited
By later US patents
- Plasma addressed electro-optical display28US 6,166,711 ASony Corporation · 2000
- Plasma addressing structure with wide or transparent reference electrode26US 5,440,201 ATektronix, Inc. · 1995
- Plasma addressed electro-optical device with non-continuous barrier ribs24US 5,351,144 ASony Corporation · 1994
- Discharge chamber and method of manufacturing the same21US 5,570,104 ASony Corporation · 1996
- Electrode configuration for channel confinement of plasma discharge in an electrode structure using an ionizable gaseous medium20US 5,276,384 ATektronix, Inc. · 1994