H01J 31/508
Multistage converters
Official title: {Multistage converters}
H01J31/508 (Multistage converters) 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
- 20
- Latest grant
- 15 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bimode image acquisition device with photocathode15 May 2018US 9,972,471 B2Photonis France
- Cascaded image intensifier3 Mar 2009US 7,498,557 B2Applied Materials Israel Ltd.
- Image intensifier devices24 May 1983US 4,385,232 AEnglish Electric Valve Company Limited
- Image intensifier tube having an internal alkali baffle25 Jan 1983US 4,370,586 ARCA Corporation
- Multistage vacuum x-ray image intensifier7 Dec 1982US 4,362,933 ASiemens Aktiengesellschaft
Most cited
By later US patents
- Electron emitting device and method of making the same7US 4,019,082 ARCA Corporation · 1977
- Multistage vacuum x-ray image intensifier4US 4,362,933 ASiemens Aktiengesellschaft · 1982
- Corona-shield for an image-tube photocathode3US 4,115,722 AInternational Telephone and Telegraph Corporation · 1978
- Image intensifier tube having an internal alkali baffle2US 4,370,586 ARCA Corporation · 1983
- Image intensifier devices1US 4,385,232 AEnglish Electric Valve Company Limited · 1983