H01J 2231/50026
Infrared
H01J2231/50026 (Infrared) appears on 24 US grants and 11 published applications in this corpus.
Search patents in H01J- Granted patents
- 24
- Published applications
- 11
- Assignees
- 16
- Inventors
- 35
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 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 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image intensifier with dynamic optocoupler elements24 Feb 2026US 12,562,332 B1
- Microchannel plate and method of making the microchannel plate with an electron backscatter layer to amplify first strike electrons8 Apr 2025US 12,272,515 B2Elbit Systems of America, LLC
- Electronically addressable display incorporated into a transmission mode secondary electron image intensifier11 Feb 2025US 12,224,148 B2Elbit Systems of America, LLC
- Photoelectron multiplying and collecting tube and imaging device using same24 Dec 2024US 12,176,174 B2Hamamatsu Photonics K.K.
- Microchannel plate and method of making the microchannel plate with an electron backscatter layer to amplify first strike electrons13 Feb 2024US 11,901,151 B2Elbit Systems of America, LLC
- Microchannel plate and method of making the microchannel plate with an electron backscatter layer to amplify first strike electrons22 May 2025US 2025/0166954 A1Elbit Systems of America, LLC
- Electronically addressable display incorporated into a transmission mode secondary electron image intensifier1 May 2025US 2025/0140505 A1Elbit Systems of America, LLC
- Microchannel plate and method of making the microchannel plate with an electron backscatter layer to amplify first strike electrons25 Apr 2024US 2024/0136141 A1Elbit Systems of America, LLC
- Microchannel plate and method of making the microchannel plate with an electron backscatter layer to amplify first strike electrons28 Sep 2023US 2023/0307202 A1Elbit Systems of America, LLC
- Electron tube and imaging device6 Oct 2022US 2022/0319794 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Solid state electron amplifier71US 4,990,766 AMurasa International · 1991
- Low light level and infrared viewing system48US 4,147,932 AXonics, Inc. · 1979
- Infrared detection and imaging, method and apparatus17US 4,061,578 A1977
- Night vision device and method17US 6,483,231 B1Litton Systems, Inc. · 2002
- Buffer for a gamma-insensitive optical sensor with gas and a buffer assembly15US 5,311,010 AThe United States of America as represented by the United States Department of Energy · 1994