H01J 2201/32
Secondary emission electrodes
H01J2201/32 (Secondary emission electrodes) appears on 77 US grants and 9 published applications in this corpus.
Search patents in H01J- Granted patents
- 77
- Published applications
- 9
- Assignees
- 31
- Inventors
- 110
- Latest grant
- 23 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Temperature controlled secondary electrode for ion control at substrate edge23 Aug 2022US 11,424,096 B2APPLIED Materials.Inc.
- Microchannel plate and electron multiplier2 Jul 2019US 10,340,129 B2Hamamatsu Photonics K.K.
- Display pixel structure and display apparatus12 Apr 2011US 7,923,915 B2Industrial Technology Research Institute
- Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for manufacturing secondary electron emission surface, and method for manufacturing electron tube10 Aug 2010US 7,772,771 B2Hamamatsu Photonics K.K.
- Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for manufacturing secondary electron emission surface, and method for manufacturing electron tube6 Jan 2009US 7,474,051 B2Hamamatsu Photonics K.K.
- Temperature controlled secondary electrode for ion control at substrate edge6 May 2021US 2021/0134554 A1APPLIED Materials.Inc.
- Microchannel plate and electron multiplier30 Aug 2018US 2018/0247802 A1Hamamatsu Photonics K.K.
- Plasma Producing Device Comprising Magnesium Oxide Microparticles Having Specific Cathodoluminescence Characteristics18 Dec 2008US 2008/0309238 A1Seoul National University Industry Foundation
- Display pixel structure and display apparatus3 Jul 2008US 2008/0157652 A1Industrial Technology Research Institute
- Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for manufacturing secondary electron emission surface, and method for manufacturing electron tube13 Jul 2006US 2006/0152154 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
- 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
- Magnetron with diamond coated cathode56US 6,686,696 B2Genvac Aerospace Corporation · 2004
- 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