H01G 9/145
Liquid electrolytic capacitors
Official title: Liquid electrolytic capacitors (H01G11/00 takes precedence)
H01G9/145 (Liquid electrolytic capacitors) appears on 414 US grants and 508 published applications in this corpus.
Search patents in H01G- Granted patents
- 414
- Published applications
- 508
- Assignees
- 161
- Inventors
- 715
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 4 | 9 |
| 2004 | 9 | 13 |
| 2005 | 4 | 4 |
| 2006 | 6 | 8 |
| 2007 | 7 | 9 |
| 2008 | 8 | 9 |
| 2009 | 5 | 12 |
| 2010 | 11 | 10 |
| 2011 | 8 | 3 |
| 2012 | 8 | 20 |
| 2013 | 10 | 24 |
| 2014 | 12 | 19 |
| 2015 | 23 | 31 |
| 2016 | 25 | 27 |
| 2017 | 26 | 25 |
| 2018 | 28 | 33 |
| 2019 | 23 | 26 |
| 2020 | 28 | 29 |
| 2021 | 27 | 32 |
| 2022 | 24 | 33 |
| 2023 | 17 | 27 |
| 2024 | 32 | 37 |
| 2025 | 39 | 31 |
| 2026 | 17 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid electrolytic capacitor and manufacturing method14 Jul 2026US 12,683,088 B2Nippon Chemi-Con Corporation
- Electrode foil with edge region thickness variation for improved electrolytic capacitor reliability14 Jul 2026US 12,683,089 B2Panasonic Intellectual Property Management Co., Ltd.
- Capacitor and method of forming a capacitor14 Jul 2026US 12,683,091 B2TDK Electronics Co., Ltd.
- Core package, aluminum electrolytic capacitor and packaging method thereof16 Jun 2026US 12,658,377 B2Hunan Aihua Group Co., Ltd.
- Electrolytic capacitor9 Jun 2026US 12,651,709 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrolytic capacitor1 Oct 2026US 2026/0302091 A1Nippon Chemi-Con Corporation
- Capacitor and method for producing a capacitor1 Oct 2026US 2026/0302092 A1
- Solid electrolytic capacitor and manufacturing method24 Sep 2026US 2026/0290710 A1Nippon Chemi-Con Corporation
- Systems and methods for enhancing supercapacitor performance using turbostratic layered non-functionalized graphene in activated carbon electrodes27 Aug 2026US 2026/0253811 A1HydroGraph Clean Power Inc.
- Electrolytic capacitor comprising an electrically-conductive polymer compound and method for producing the same20 Aug 2026US 2026/0245807 A1Rubycon Corporation
Most cited
By later US patents
- Flat capacitor for an implantable medical device108US 6,699,265 B1Cardiac Pacemakers, Inc. · 2004
- Non-symmetric capacitor103US 6,208,502 B1Aerovox Incorporated · 2001
- Volumetrically efficient wet electrolytic capacitor91US 8,514,547 B2AVX Corporation · 2013
- Electrolytic capacitor88US 7,952,854 B2American Radionic Company, Inc. · 2011
- Electrolytic capacitor86US 8,537,522 B2American Radionic Company, Inc. · 2013