H01J 43/18
Electrode arrangements using essentially more than one dynode
H01J43/18 (Electrode arrangements using essentially more than one dynode) appears on 489 US grants and 290 published applications in this corpus.
Search patents in H01J- Granted patents
- 489
- Published applications
- 290
- Assignees
- 156
- Inventors
- 660
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 19 | 0 |
| 1978 | 17 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 16 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 0 |
| 2002 | 7 | 4 |
| 2003 | 7 | 11 |
| 2004 | 8 | 20 |
| 2005 | 13 | 15 |
| 2006 | 19 | 9 |
| 2007 | 8 | 15 |
| 2008 | 11 | 11 |
| 2009 | 9 | 19 |
| 2010 | 11 | 13 |
| 2011 | 18 | 14 |
| 2012 | 12 | 10 |
| 2013 | 13 | 14 |
| 2014 | 11 | 13 |
| 2015 | 13 | 10 |
| 2016 | 12 | 10 |
| 2017 | 8 | 7 |
| 2018 | 12 | 11 |
| 2019 | 15 | 17 |
| 2020 | 14 | 9 |
| 2021 | 15 | 16 |
| 2022 | 11 | 9 |
| 2023 | 6 | 10 |
| 2024 | 8 | 11 |
| 2025 | 8 | 4 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-speed polarity switching dual conversion dynode ion detector for mass spectrometer29 Sep 2026US 12,749,666 B2Thermo Finnigan LLC
- 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.
- Micro-lens array for metal-channel photomultiplier tube21 Apr 2026US 12,609,289 B2KLA Corporation
- Charged particle detector30 Sep 2025US 12,431,342 B2Hamamatsu Photonics K.K.
- Particle detectors based on direct conversion at the surface of a dense medium8 Oct 2026US 2026/0311979 A1Southwest Research Institute
- Capacitor as alternative to power supply for low leakage current ion optics elements in mass spectrometers8 Oct 2026US 2026/0311983 A1Thermo Finnigan LLC
- Micro-lens array for metal-channel photomultiplier tube30 Jul 2026US 2026/0221404 A1KLA Corporation
- Mcp detector and analysis device23 Jul 2026US 2026/0213123 A1Hamamatsu Photonics K.K.
- Mass spectrometry apparatus2 Jul 2026US 2026/0188634 A1
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