H01J 11/40
Layers for protecting or enhancing the electron emission
Official title: Layers for protecting or enhancing the electron emission, e.g. MgO layers
H01J11/40 (Layers for protecting or enhancing the electron emission) appears on 188 US grants and 346 published applications in this corpus.
Search patents in H01J- Granted patents
- 188
- Published applications
- 346
- Assignees
- 49
- Inventors
- 504
- Latest grant
- 1 Jul 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 9 |
| 2003 | 3 | 8 |
| 2004 | 8 | 14 |
| 2005 | 3 | 25 |
| 2006 | 7 | 37 |
| 2007 | 9 | 38 |
| 2008 | 14 | 39 |
| 2009 | 22 | 37 |
| 2010 | 21 | 61 |
| 2011 | 31 | 47 |
| 2012 | 33 | 25 |
| 2013 | 18 | 5 |
| 2014 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Plasma display panel28 Nov 2013US 2013/0313969 A1Panasonic Corporation
- Sintered magnesium oxide material, and process for production thereof29 Aug 2013US 2013/0224421 A1Panasonic Corporation
- Display device and method for producing the same27 Jun 2013US 2013/0162138 A1Shinoda Plasma Corporation
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- Process for producing plasma display panel10 Jan 2013US 2013/0012095 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
- AC plasma display including protective layer29US 5,703,437 APioneer Electronic Corporation · 1997
- Plasma display panel with insulating layer having specific characteristics26US 6,242,864 B1Fujitsu Limited · 2001
- Secondary electron amplification structure employing carbon nanotube, and plasma display panel and back light using the same21US 6,346,775 B1Samsung SDI.Co., Ltd. · 2002
- Method of producing plasma display panel with protective layer of an alkaline earth oxide20US 5,993,543 AMasaki Aoki Et Al. · 1999