H01G 9/004
Details
H01G9/004 (Details) appears on 4,722 US grants and 4,833 published applications in this corpus.
Search patents in H01G- Granted patents
- 4,722
- Published applications
- 4,833
- Assignees
- 1,184
- Inventors
- 7,090
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 30 | 0 |
| 1978 | 30 | 0 |
| 1979 | 21 | 0 |
| 1980 | 23 | 0 |
| 1981 | 23 | 0 |
| 1982 | 21 | 0 |
| 1983 | 23 | 0 |
| 1984 | 35 | 0 |
| 1985 | 47 | 0 |
| 1986 | 32 | 0 |
| 1987 | 30 | 0 |
| 1988 | 42 | 0 |
| 1989 | 42 | 0 |
| 1990 | 30 | 0 |
| 1991 | 39 | 0 |
| 1992 | 32 | 0 |
| 1993 | 27 | 0 |
| 1994 | 14 | 0 |
| 1995 | 43 | 0 |
| 1996 | 36 | 0 |
| 1997 | 25 | 0 |
| 1998 | 49 | 0 |
| 1999 | 58 | 0 |
| 2000 | 52 | 0 |
| 2001 | 106 | 35 |
| 2002 | 120 | 121 |
| 2003 | 135 | 136 |
| 2004 | 131 | 197 |
| 2005 | 121 | 166 |
| 2006 | 165 | 226 |
| 2007 | 119 | 175 |
| 2008 | 137 | 196 |
| 2009 | 119 | 261 |
| 2010 | 165 | 242 |
| 2011 | 151 | 197 |
| 2012 | 168 | 218 |
| 2013 | 182 | 220 |
| 2014 | 174 | 208 |
| 2015 | 185 | 185 |
| 2016 | 156 | 189 |
| 2017 | 173 | 199 |
| 2018 | 181 | 206 |
| 2019 | 175 | 193 |
| 2020 | 170 | 189 |
| 2021 | 161 | 174 |
| 2022 | 143 | 168 |
| 2023 | 130 | 199 |
| 2024 | 146 | 186 |
| 2025 | 185 | 199 |
| 2026 | 94 | 148 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01G 9/04Electrodes or formation of dielectric layers thereon2,370
- H01G 9/022Electrolytes1,576
- H01G 9/08Housing1,315
- H01G 9/008Terminals1,247
- H01G 9/02Diaphragms392
- H01G 9/07Dielectric layers377
- H01G 9/14Structural combinations or circuits for modifying, or compensating for, electric characteristics of252
Recent patents
- Electrolytic capacitor and liquid component for electrolytic capacitor6 Oct 2026US 12,755,906 B2Panasonic Intellectual Property Management Co., Ltd.
- Thin film capacitor having a metal foil with roughened main surfaces, manufacturing method therefor, and electronic circuit board having the thin film capacitor6 Oct 2026US 12,755,907 B2TDK Corporation
- Capacitor and method for manufacturing same22 Sep 2026US 12,744,163 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrolytic capacitor22 Sep 2026US 12,744,164 B2Panasonic Intellectual Property Management Co., Ltd.
- Capacitor, electric circuit, circuit board, and apparatus22 Sep 2026US 12,744,165 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrolytic capacitor element and manufacturing method of the same8 Oct 2026US 2026/0311936 A1Elna Company Ltd.
- Solid electrolytic capacitor1 Oct 2026US 2026/0302089 A1Panasonic Intellectual Property Management Co., Ltd.
- Electrolytic capacitor and method for producing same1 Oct 2026US 2026/0302090 A1Panasonic 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
Most cited
By later US patents
- Aluminum electrolytic capacitor and a manufacturing method therefor466US 4,663,824 AMatsushita Electric Industrial Co., Ltd. · 1987
- Polythiophene dispersions, their production and their use302US 5,300,575 ABayer Aktiengesellschaft · 1994
- Charge storage device250US 6,631,072 B1Energy Storage Systems PTY LTD · 2003
- Solid electrolytic capacitor with conductive polymer as solid electrolyte and method for fabricating the same226US 5,729,428 ANEC Corporation · 1998
- Solid electrolytic capacitor and method for manufacturing the same219US 5,473,503 ANEC Corporation · 1995