H01J 9/045
Activation of assembled cathode
Official title: {Activation of assembled cathode}
H01J9/045 (Activation of assembled cathode) appears on 7 US grants and 3 published applications in this corpus.
Search patents in H01J- Granted patents
- 7
- Published applications
- 3
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 20 Oct 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of aging X-ray generator having carbon nanotube electron emitter20 Oct 2015US 9,167,677 B2Samsung Electronics Co., Ltd.
- Method of producing rapid heating of a cathode installed in a thermionic emission assembly24 Mar 2015US 8,987,982 B2Applied Physics Technologies, Inc.
- Pre-aligned thermionic emission assembly12 Nov 2013US 8,581,481 B1Applied Physics Technologies, Inc.
- Method of manufacturing image display apparatus23 Nov 2004US 6,821,174 B2Canon Kabushiki Kaisha
- Fluorescent lamp with cathode heat switches14 May 1985US 4,517,493 AGeneral Electric Company
- Method of aging x-ray generator having carbon nanotube electron emitter12 Mar 2015US 2015/0071413 A1SRI International
- Method of producing rapid heating of a cathode installed in a thermionic emission assembly6 Mar 2014US 2014/0065918 A1Applied Physics Technologies, Inc.
- Method of manufacturing image display apparatus4 Apr 2002US 2002/0039870 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Method of manufacturing image display apparatus8US 6,821,174 B2Canon Kabushiki Kaisha · 2004
- Method of producing rapid heating of a cathode installed in a thermionic emission assembly6US 8,987,982 B2Applied Physics Technologies, Inc. · 2015
- Fluorescent lamp with cathode heat switches4US 4,517,493 AGeneral Electric Company · 1985
- Pre-aligned thermionic emission assembly2US 8,581,481 B1Applied Physics Technologies, Inc. · 2013