H01J 2211/40
Layers for protecting or enhancing the electron emission
Official title: Layers for protecting or enhancing the electron emission, e.g. MgO layers
H01J2211/40 (Layers for protecting or enhancing the electron emission) appears on 22 US grants and 30 published applications in this corpus.
Search patents in H01J- Granted patents
- 22
- Published applications
- 30
- Assignees
- 21
- Inventors
- 95
- Latest grant
- 27 Nov 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 4 |
| 2007 | 1 | 4 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 5 |
| 2012 | 3 | 2 |
| 2013 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing plasma display panel27 Nov 2012US 8,317,563 B2Panasonic Corporation
- Plasma display panel with protective layer comprising crystal particles of magnesium oxide9 Oct 2012US 8,283,864 B2Panasonic Corporation
- Method and apparatus for forming protective layer24 Apr 2012US 8,163,085 B2Panasonic Corporation
- Plasma display device31 Aug 2010US 7,786,957 B2Panasonic Corporation
- Plasma display panel26 Jun 2007US 7,235,924 B2LG Electronics Inc.
- Sintered magnesium oxide material, and process for production thereof29 Aug 2013US 2013/0224421 A1Panasonic Corporation
- Method for producing plasma display panel17 Jan 2013US 2013/0017751 A1
- Method for producing plasma display panel10 Jan 2013US 2013/0012096 A1
- Electrode and method for manufacturing the same11 Oct 2012US 2012/0255765 A1E. I. Du Pont de Nemours and Company
- Process for production of plasma display panel15 Mar 2012US 2012/0064795 A1
Most cited
By later US patents
- Plasma display panel with protective layer of an alkaline earth oxide36US 5,770,921 AMatsushita Electric Co., Ltd. · 1998
- Composition for forming protective layer of dielectric material20US 5,454,861 AHokuriko Toryo Kabushiki Kaisha · 1995
- Method of producing plasma display panel with protective layer of an alkaline earth oxide20US 5,993,543 AMasaki Aoki Et Al. · 1999
- Method for producing a plasma display panel11US 5,938,494 AFujitsu Limited · 1999
- Multiple gaseous discharge display/memory panel having improved operating life9US 4,794,308 AOwens-Illinois Television Products Inc. · 1988