H01J 23/14
Leading-in arrangements
Official title: Leading-in arrangements; Seals therefor
H01J23/14 (Leading-in arrangements) appears on 82 US grants and 38 published applications in this corpus.
Search patents in H01J- Granted patents
- 82
- Published applications
- 38
- Assignees
- 40
- Inventors
- 142
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 1 |
| 2004 | 3 | 4 |
| 2005 | 2 | 4 |
| 2006 | 3 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 5 | 4 |
| 2020 | 1 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Klystron device30 Sep 2025US 12,431,316 B2Canon Electron Tubes & Devices Co., Ltd.
- N-way coaxial signal injector with axial feeds22 Apr 2025US 12,283,738 B2Raytheon Company
- Ridged N-way coaxial vacuum power combiner signal injector with radial feeds usable in a coaxial vacuum-electron device8 Apr 2025US 12,272,858 B2Raytheon Company
- Magnetron7 Jan 2025US 12,191,107 B2Panasonic Intellectual Property Management Co., Ltd.
- Magnetron filter board for microwave oven21 Mar 2023US 11,612,022 B2Rockwell Collins, Inc.
- Electron gun and vacuum electronic device20 Mar 2025US 2025/0095945 A1
- Ridged n-way coaxial signal injector with radial feeds23 May 2024US 2024/0170824 A1Raytheon Company
- N-way coaxial signal injector with axial feeds23 May 2024US 2024/0170826 A1Raytheon Company
- Klystron device4 Jan 2024US 2024/0006143 A1Canon Electron Tubes & Devices Co., Ltd.
- Magnetron15 Jun 2023US 2023/0187163 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Magnetron for microwave oven123US 5,294,864 AGoldstar Co., Ltd. · 1994
- Through-type capacitor and magnetron using same79US 4,811,161 ATDK Corporation · 1989
- High voltage capacitor65US 4,814,938 AMurata Manufacturing Co., Ltd. · 1989
- Magnetron for which leakage of H.F. noise is minimized18US 4,163,175 ATokyo Shibaura Electric Co., Ltd. · 1979
- Magnetron with a ceramic stem having a cathode support structure17US 4,705,989 AKabushiki Kaisha Toshiba · 1987