H01J 29/385
Photocathodes comprising a layer which modified the wave length of impinging radiation
Official title: {Photocathodes comprising a layer which modified the wave length of impinging radiation}
H01J29/385 (Photocathodes comprising a layer which modified the wave length of impinging radiation) appears on 84 US grants and 7 published applications in this corpus.
Search patents in H01J- Granted patents
- 84
- Published applications
- 7
- Assignees
- 31
- Inventors
- 105
- Latest grant
- 3 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photocathode including silicon substrate with boron layer3 Aug 2021US 11,081,310 B2KLA-Tencor Corporation
- Biology-based enhanced vision using light amplification and adaptable to thin films15 Sep 2020US 10,775,301 B2Arizona Board of Regents of behalf of Arizona State University
- Photocathode including silicon substrate with boron layer5 Feb 2019US 10,199,197 B2KLA-Tencor Corporation
- Photocathode including silicon substrate with boron layer21 Mar 2017US 9,601,299 B2KLA-Tencor Corporation
- Photoluminescent objects16 Jun 2015US 9,057,021 B2Performance Indicator, LLC
- Photocathode including silicon substrate with boron layer28 Feb 2019US 2019/0066962 A1KLA-Tencor Corporation
- Biology-based enhanced vision using light amplification and adaptable to thin films5 Apr 2018US 2018/0095029 A1Arizona Board of Regents of behalf of Arizona State University
- Photocathode Including Silicon Substrate With Boron Layer9 Mar 2017US 2017/0069455 A1KLA-Tencor Corporation
- Photoluminescent objects6 Mar 2014US 2014/0065442 A1Performance Indicator, LLC
- Photocathode Including Silicon Substrate With Boron Layer6 Feb 2014US 2014/0034816 A1KLA-Tencor Corporation
Most cited
By later US patents
- Photoluminescent objects207US 9,057,021 B2Performance Indicator, LLC · 2015
- Low intensity X-ray and gamma-ray imaging device46US 4,142,101 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1979
- Process of making structured x-ray phosphor screen32US 4,069,355 AGeneral Electric Company · 1978
- Particle detector spatial resolution31US 5,171,996 AThe Regents of the University of California · 1992
- X-ray tube having scintillator-photocathode segments aligned with phosphor segments of its display screen25US 4,208,577 ADiagnostic Information, Inc. · 1980