H01J 9/125
Of secondary emission electrodes
Official title: {of secondary emission electrodes}
H01J9/125 (Of secondary emission electrodes) appears on 86 US grants and 45 published applications in this corpus.
Search patents in H01J- Granted patents
- 86
- Published applications
- 45
- Assignees
- 48
- Inventors
- 152
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 5 |
| 2006 | 3 | 0 |
| 2007 | 2 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 4 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 4 | 3 |
| 2019 | 4 | 5 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 3 |
| 2024 | 3 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Microchannel sensor and method of manufacturing the same13 May 2025US 12,298,448 B2Universität Hamburg
- 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
- Reflection mode dynode14 Jan 2025US 12,198,915 B2Adaptas Solutions Pty Ltd
- Integrated native oxide device based on aluminum, aluminum alloys or beryllium copper (INOD) and discrete dynode electron multiplier (DDEM)23 Apr 2024US 11,967,494 B2Skyfinis, Inc.
- 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
- 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
- Barrier coatings17 Aug 2023US 2023/0260736 A1Incom, Inc.
- Microchannel sensor and method of manufacturing the same18 May 2023US 2023/0152473 A1Universität Hamburg
Most cited
By later US patents
- Polymeric compositions for manufacture of secondary electron multiplier tubes and method for manufacture thereof291US 4,093,562 AMatsushita Electric Industrial Co., Ltd. · 1978
- Method of making a plate having a pattern of microchannels180US 4,153,855 AThe United States of America as represented by the Secretary of the Army · 1979
- Method of making a channel type electron multiplier48US 4,853,020 AITT Electro Optical Products, A Division of ITT Corporation · 1989
- Method for fabrication of microchannel electron multipliers40US 5,569,355 ACenter for Advanced Fiberoptic Applications · 1996
- Micro-engineered electron multipliers31US 7,294,954 B2Microsaic Systems Limited · 2007