H01J 29/39
Charge-storage screens
H01J29/39 (Charge-storage screens) appears on 182 US grants and 3 published applications in this corpus.
Search patents in H01J- Granted patents
- 182
- Published applications
- 3
- Assignees
- 59
- Inventors
- 273
- Latest grant
- 2 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 27 | 0 |
| 1978 | 14 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 13 | 0 |
| 1982 | 13 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Triode electron gun2 Mar 2021US 10,937,621 B2Accelerad Technologies, Inc.
- Electrocaloric material22 Mar 2016US 9,293,681 B2Panasonic Intellectual Property Management Co., Ltd.
- Charged particle collector for a CMOS imager9 Jul 2013US 8,482,090 B2Exelis, Inc.
- Electron tube24 Jun 2003US 6,583,558 B1Hamamatsu Photonics K.K.
- Image pickup tube utilizing third electrode and its operating method24 Jan 1995US 5,384,597 AHitachi, Ltd.
Most cited
By later US patents
- Method of manufacturing a target assembly for a camera tube41US 4,251,909 AU. S. Philips Corporation · 1981
- Photoconductive imaging apparatus34US 5,233,265 AHitachi, Ltd. · 1993
- Semiconductor devices having surface state control28US 3,983,574 ARaytheon Company · 1976
- Photoconductive device and method of operating the same25US 4,888,521 AHitachi, Ltd. · 1989
- Photoconductive device and method of operating the same25US 4,952,839 AHitachi, Ltd. · 1990