H01J 43/24
Dynodes having potential gradient along their surfaces
H01J43/24 (Dynodes having potential gradient along their surfaces) appears on 325 US grants and 186 published applications in this corpus.
Search patents in H01J- Granted patents
- 325
- Published applications
- 186
- Assignees
- 122
- Inventors
- 495
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 2 |
| 2003 | 5 | 7 |
| 2004 | 7 | 16 |
| 2005 | 9 | 12 |
| 2006 | 11 | 3 |
| 2007 | 7 | 8 |
| 2008 | 8 | 5 |
| 2009 | 6 | 11 |
| 2010 | 4 | 11 |
| 2011 | 14 | 10 |
| 2012 | 11 | 6 |
| 2013 | 4 | 10 |
| 2014 | 8 | 10 |
| 2015 | 11 | 5 |
| 2016 | 8 | 5 |
| 2017 | 3 | 4 |
| 2018 | 10 | 10 |
| 2019 | 6 | 6 |
| 2020 | 8 | 6 |
| 2021 | 9 | 9 |
| 2022 | 6 | 7 |
| 2023 | 3 | 7 |
| 2024 | 6 | 9 |
| 2025 | 7 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing microchannel plate28 Apr 2026US 12,612,327 B2
- Precise tuning of MCP-based ion detector using isotope ratios with software correction28 Apr 2026US 12,614,707 B2DH Technologies Development Pte. Ltd.
- Charged particle detector30 Sep 2025US 12,431,342 B2Hamamatsu Photonics K.K.
- Electron tube, imaging device and electromagnetic wave detection device8 Jul 2025US 12,354,858 B2Hamamatsu Photonics K.K.
- Lead free glass composition for microchannel plate fabrication10 Jun 2025US 12,325,661 B2Corning Incorporated
- Particle detectors based on direct conversion at the surface of a dense medium8 Oct 2026US 2026/0311979 A1Southwest Research Institute
- Mcp detector and analysis device23 Jul 2026US 2026/0213123 A1Hamamatsu Photonics K.K.
- Mass spectrometry apparatus2 Jul 2026US 2026/0188634 A1
- Elementary particle detector and associated detection method16 Apr 2026US 2026/0106126 A1Centre National De La Recherche Scientifique
- Microchannel Plate, Preparation Method and Application Thereof1 Jan 2026US 2026/0005006 A1China Building Materials Academy Co., Ltd.
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
- Microchannel plate technology197US 5,265,327 A1993
- 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
- Electron generating assembly for an x-ray tube having a cathode and having an electrode system for accelerating the electrons emanating from the cathode110US 5,576,549 ASiemens Aktiengesellschaft · 1996
- Silicon etching process for making microchannel plates84US 5,997,713 ANanoSciences Corporation · 1999