H01G 4/28
Tubular capacitors
H01G4/28 (Tubular capacitors) appears on 62 US grants and 62 published applications in this corpus.
Search patents in H01G- Granted patents
- 62
- Published applications
- 62
- Assignees
- 57
- Inventors
- 175
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 3 | 5 |
| 2015 | 2 | 5 |
| 2016 | 4 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 5 |
| 2019 | 2 | 4 |
| 2020 | 2 | 1 |
| 2021 | 1 | 5 |
| 2022 | 4 | 4 |
| 2023 | 3 | 2 |
| 2024 | 1 | 5 |
| 2025 | 3 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cylindrical capacitor28 Jul 2026US 12,695,031 B2Nanya Technology Corporation
- Wire structure, wire capacitor including wire structure, and electronic device including wire capacitor26 May 2026US 12,640,310 B2Samsung Electronics Co., Ltd.
- Conductor structure5 May 2026US 12,620,907 B2Danfoss Silicon Power GmbH
- Capacitor wire having porous structure in dielectric line and electronic device including the same28 Apr 2026US 12,614,667 B2Samsung Electronics Co., Ltd.
- Capacitor wire and electronic device including the same21 Oct 2025US 12,451,291 B2Samsung Electronics Co., Ltd.
- Method of forming a cylindrical capacitor1 Oct 2026US 2026/0302071 A1Nanya Technology Corporation
- Filter device having tunable capacitance, method of manufacture and use thereof4 Dec 2025US 2025/0373220 A1Astrodyne TDI
- Electrostatic Structures13 Nov 2025US 2025/0349465 A1
- Cylindrical capacitor and method of forming the same2 Oct 2025US 2025/0308774 A1Nanya Technology Corporation
- Bus bar for a capacitor and capacitor9 Jan 2025US 2025/0014826 A1TDK Electronics Co., Ltd.
Most cited
By later US patents
- Clad fiber capacitor and method of making same84US 8,331,076 B2UT-Battelle, LLC · 2012
- Ceramic capacitor with surface electrodes14US 4,188,651 ASprague Electric Company · 1980
- Ceramic capacitor with nickel-solder electrodes13US 4,109,292 ATaiyo Yuden Co., Ltd. · 1978
- Tubular capacitor for use in an electron beam tube12US 6,781,313 B2Marconi Applied Technologies Limited · 2004
- Method of extruding ceramic tube11US 4,725,391 ACorning Glass Works · 1988