H01J 29/458
Pyroelectrical targets
Official title: {pyroelectrical targets; targets for infrared or ultraviolet or X-ray radiations}
H01J29/458 (Pyroelectrical targets) appears on 29 US grants and 1 published applications in this corpus.
Search patents in H01J- Granted patents
- 29
- Published applications
- 1
- Assignees
- 15
- Inventors
- 57
- Latest grant
- 22 Mar 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrocaloric material22 Mar 2016US 9,293,681 B2Panasonic Intellectual Property Management Co., Ltd.
- Pyroelectric materials8 Jan 1991US 4,983,839 AThe United States of America as represented by the Secretary of the Army
- Infrared converter3 Apr 1990US 4,914,296 AThe Boeing Company
- Pyroelectric crystals with high figures of merit10 Mar 1987US 4,648,991 AResearch Corporation
- Picture taking tube with pyroelectric target and a process for determining the axes of least expansion of the target17 Feb 1987US 4,643,689 AThomson-CSF
Most cited
By later US patents
- Ferroelectric or pyroelectric sensor utilizing a sodium nitrite layer24US 4,348,611 A1982
- Pyroelectric materials16US 4,983,839 AThe United States of America as represented by the Secretary of the Army · 1991
- Pyroelectric detector comprising nucleating material wettable by aqueous solution of pyroelectric material13US 4,053,806 AU. S. Philips Corporation · 1977
- Method of reticulating a pyroelectric vidicon target12US 4,139,444 ANorth American Philips Corporation · 1979
- Pyroelectric materials and devices11US 3,985,685 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1976