H01J 47/022
Calibration thereof
Official title: {Calibration thereof}
H01J47/022 (Calibration thereof) appears on 6 US grants and 2 published applications in this corpus.
Search patents in H01J- Granted patents
- 6
- Published applications
- 2
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 27 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Radiation measuring instrument and radiation imaging apparatus27 Jul 2021US 11,073,623 B2Shimadzu Corporation
- Activity cross-calibration of unsealed radionuclides utilizing a portable ion chamber11 Feb 2020US 10,559,390 B2
- Detector for incident radiation20 Nov 2018US 10,134,571 B1C-Rad Imaging AB
- Radon control system1 Oct 1991US 5,053,624 A
- Ionization detector calibration27 Apr 1982US 4,327,289 A
Most cited
By later US patents
- Secondary-standard ionization chamber, in particular for measuring the energy dose11US 4,300,050 AOsterreichisches Forschungszentrum Seibersdorf GmbH · 1981
- Radon control system7US 5,053,624 A1991
- Detector for incident radiation1US 10,134,571 B1C-Rad Imaging AB · 2018
- Ionization detector calibration1US 4,327,289 A1982