H01G 9/055
Etched foil electrodes
H01G9/055 (Etched foil electrodes) appears on 373 US grants and 437 published applications in this corpus.
Search patents in H01G- Granted patents
- 373
- Published applications
- 437
- Assignees
- 106
- Inventors
- 644
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 5 |
| 2003 | 7 | 3 |
| 2004 | 5 | 10 |
| 2005 | 5 | 4 |
| 2006 | 10 | 15 |
| 2007 | 6 | 7 |
| 2008 | 8 | 7 |
| 2009 | 8 | 11 |
| 2010 | 9 | 10 |
| 2011 | 4 | 10 |
| 2012 | 6 | 7 |
| 2013 | 10 | 7 |
| 2014 | 6 | 10 |
| 2015 | 8 | 4 |
| 2016 | 4 | 14 |
| 2017 | 12 | 23 |
| 2018 | 19 | 29 |
| 2019 | 19 | 21 |
| 2020 | 28 | 33 |
| 2021 | 25 | 21 |
| 2022 | 16 | 23 |
| 2023 | 15 | 37 |
| 2024 | 27 | 43 |
| 2025 | 38 | 50 |
| 2026 | 19 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Capacitor having a cathode foil including a carbon layer and method for manufacturing same28 Jul 2026US 12,695,035 B2Nippon Chemi-Con Corporation
- Electrolytic capacitor having reduced equivalent series resistance (ESR) and production method for same21 Jul 2026US 12,688,976 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrode foil with edge region thickness variation for improved electrolytic capacitor reliability14 Jul 2026US 12,683,089 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrode foil for high-performance electrolytic capacitors with high reliability9 Jun 2026US 12,651,710 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrical component and method of forming same9 Jun 2026US 12,651,711 B2Medtronic, Inc.
- Electrolytic capacitor element and manufacturing method of the same8 Oct 2026US 2026/0311936 A1Elna Company Ltd.
- Electrolytic capacitor1 Oct 2026US 2026/0302091 A1Nippon Chemi-Con Corporation
- Electrolytic capacitor and production method therefor10 Sep 2026US 2026/0269143 A1Panasonic Intellectual Property Management Co., Ltd.
- Electrolytic capacitor and method for producing electrolytic capacitor13 Aug 2026US 2026/0237566 A1Panasonic Intellectual Property Management Co., Ltd.
- Electrolytic capacitor element and electrolytic capacitor13 Aug 2026US 2026/0237567 A1Elna Company Ltd.
Most cited
By later US patents
- Process for making a capacitor foil with enhanced surface area140US 5,660,737 AVentritex, Inc. · 1997
- Flat capacitor for an implantable medical device108US 6,699,265 B1Cardiac Pacemakers, Inc. · 2004
- Methods of making multiple anode capacitors106US 5,584,890 A1996
- Electrolytic capacitor and method of manufacture95US 5,968,210 APacesetter, Inc. · 1999
- Multiple anode high energy density electrolytic capacitor88US 5,963,418 ACM Components, Inc. · 1999