H01J 23/22
Connections between resonators
Official title: Connections between resonators, e.g. strapping for connecting resonators of a magnetron
H01J23/22 (Connections between resonators) appears on 46 US grants and 27 published applications in this corpus.
Search patents in H01J- Granted patents
- 46
- Published applications
- 27
- Assignees
- 29
- Inventors
- 74
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 4 |
| 2003 | 7 | 4 |
| 2004 | 2 | 5 |
| 2005 | 3 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetron7 Jan 2025US 12,191,107 B2Panasonic Intellectual Property Management Co., Ltd.
- Rectangular magnetron tube core5 Apr 2022US 11,295,923 B2University of Electronic Science and Technology of China
- Left-handed material extended interaction klystron17 Sep 2019US 10,418,219 B2University of Electronic Science and Technology of China
- Magnetron26 Dec 2017US 9,852,872 B2Toshiba Hokuto Electronics Corporation
- Vacuum electron device drift tube22 Aug 2017US 9,741,521 B1Varex Imaging Corporation
- Magnetron15 Jun 2023US 2023/0187163 A1Panasonic Intellectual Property Management Co., Ltd.
- Magnetron26 May 2022US 2022/0165534 A1
- Magnetron26 May 2022US 2022/0165535 A1
- Rectangular magnetron tube core15 Apr 2021US 2021/0110988 A1University of Electronic Science and Technology of China
- Klystron16 Apr 2020US 2020/0118782 A1Canon Electron Tubes & Devices Co., Ltd.
Most cited
By later US patents
- Magnetron having identically shaped strap rings separated by a gap and connecting alternate anode vane groups64US 5,146,136 AHitachi, Ltd. · 1992
- Optical magnetron for high efficiency production of optical radiation59US 6,373,194 B1Raytheon Company · 2002
- Optical magnetron generator54US 6,525,477 B2Raytheon Company · 2003
- Optical magnetron for high efficiency production of optical radiation, and 1/2λ induced pi-mode operation53US 6,504,303 B2Raytheon Company · 2003
- Wireless communication system with high efficiency/high power optical source39US 7,257,327 B2Raytheon Company · 2007