H01J 61/78
With cold cathode
Official title: with cold cathode; with cathode heated only by discharge, e.g. high-tension lamp for advertising
H01J61/78 (With cold cathode) appears on 68 US grants and 42 published applications in this corpus.
Search patents in H01J- Granted patents
- 68
- Published applications
- 42
- Assignees
- 48
- Inventors
- 144
- Latest grant
- 17 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 5 |
| 2003 | 3 | 6 |
| 2004 | 4 | 4 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 3 | 7 |
| 2010 | 0 | 6 |
| 2011 | 2 | 1 |
| 2012 | 3 | 5 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Nano-gas light sources based on graphene for displays17 Dec 2019US 10,510,526 B2
- Nano-gas light sources based on graphene for displays14 May 2019US 10,290,488 B1
- Glow discharge lamp1 Nov 2016US 9,485,848 B2Universite Joseph Fourier - Grenoble 1
- Hollow cathode lamp elapsed time recording system5 Nov 2013US 8,575,855 B2PerkinElmer Health Sciences, Inc.
- High lumen output cold cathode fluorescent lamp23 Apr 2013US 8,427,060 B2TBT Asset Management International Limited
- Nano-gas light sources based on graphene for displays18 Jul 2019US 2019/0221420 A1
- Glow discharge lamp21 May 2015US 2015/0137682 A1Centre National de la Recherche Scientifique (CNRS)
- Ceramic-glass composite electrode and fluorescent lamp having the same23 Aug 2012US 2012/0212121 A1Santoma (H.K.) Ltd.
- Electrode for discharge lamp, method of manufacturing electrode for discharge lamp, and discharge lamp5 Jul 2012US 2012/0169225 A1Asahi Glass Company, Limited
- Hollow cathode lamp elapsed time recording system5 Jul 2012US 2012/0169237 A1PerkinElmer Health Sciences, Inc.
Most cited
By later US patents
- Illumination device, method for driving the illumination device and display including the illumination device131US 6,066,920 ASharp Kabushiki Kaisha · 2000
- Discharge device having cathode with micro hollow array70US 5,686,789 AOsram Sylvania Inc. · 1997
- Discharge device having cathode with micro hollow array60US 5,939,829 AOsram Sylvania Inc. · 1999
- Gas discharge fluorescent device53US 6,515,433 B1Coollite International Holding Limited · 2003
- Cold cathode fluorescent display50US 7,474,044 B2Transmarine Enterprises Limited · 2009