H01J 23/15
Means for preventing wave energy leakage structurally associated with tube leading-in arrangements
Official title: Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices
H01J23/15 (Means for preventing wave energy leakage structurally associated with tube leading-in arrangements) appears on 60 US grants and 22 published applications in this corpus.
Search patents in H01J- Granted patents
- 60
- Published applications
- 22
- Assignees
- 30
- Inventors
- 109
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 3 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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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