H01G
Capacitors
Official title: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10)
H01G (Capacitors) appears on 24,710 US grants and 28,188 published applications in this corpus.
Search patents in H01G- Granted patents
- 24,710
- Published applications
- 28,188
- Assignees
- 4,983
- Inventors
- 38,054
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 119 | 0 |
| 1977 | 118 | 0 |
| 1978 | 145 | 0 |
| 1979 | 82 | 0 |
| 1980 | 117 | 0 |
| 1981 | 127 | 0 |
| 1982 | 121 | 0 |
| 1983 | 145 | 0 |
| 1984 | 194 | 0 |
| 1985 | 194 | 0 |
| 1986 | 189 | 0 |
| 1987 | 169 | 0 |
| 1988 | 158 | 0 |
| 1989 | 182 | 0 |
| 1990 | 148 | 0 |
| 1991 | 182 | 0 |
| 1992 | 178 | 0 |
| 1993 | 127 | 0 |
| 1994 | 100 | 0 |
| 1995 | 163 | 0 |
| 1996 | 170 | 0 |
| 1997 | 140 | 0 |
| 1998 | 198 | 0 |
| 1999 | 240 | 0 |
| 2000 | 249 | 0 |
| 2001 | 391 | 155 |
| 2002 | 454 | 498 |
| 2003 | 489 | 520 |
| 2004 | 451 | 695 |
| 2005 | 432 | 671 |
| 2006 | 552 | 828 |
| 2007 | 453 | 816 |
| 2008 | 476 | 876 |
| 2009 | 487 | 1014 |
| 2010 | 628 | 1053 |
| 2011 | 615 | 1063 |
| 2012 | 747 | 1162 |
| 2013 | 753 | 1263 |
| 2014 | 844 | 1300 |
| 2015 | 957 | 1318 |
| 2016 | 1080 | 1316 |
| 2017 | 1089 | 1457 |
| 2018 | 1160 | 1370 |
| 2019 | 1277 | 1453 |
| 2020 | 1245 | 1446 |
| 2021 | 1115 | 1317 |
| 2022 | 1052 | 1358 |
| 2023 | 1089 | 1412 |
| 2024 | 1074 | 1390 |
| 2025 | 1140 | 1364 |
| 2026 | 705 | 1073 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H01G 4/00Fixed capacitors11,291
- H01G 9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices7,173
- H01G 11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes6,469
- H01G 2/00Details of capacitors not covered by a single one of groups h01g4/00-h01g11/002,748
- H01G 5/00Capacitors in which the capacitance is varied by mechanical means977
- H01G 13/00Apparatus specially adapted for manufacturing capacitors753
- H01G 7/00Capacitors in which the capacitance is varied by non-mechanical means689
- H01G 17/00Structural combinations of capacitors or other devices covered by at least two39
All 9 main groupsShow fewer
Recent patents
- Capacitor module6 Oct 2026US 12,755,900 B2Murata Manufacturing Co., Ltd.
- Multilayer ceramic electronic device and dielectric ceramic composition6 Oct 2026US 12,755,901 B2Taiyo Yuden Co., Ltd.
- Video surveillance playback system with multi-tiered storage6 Oct 2026US 12,755,902 B2Cozaint Corporation
- Capacitor having a support part joined to a capacitance forming part6 Oct 2026US 12,755,903 B2Murata Manufacturing Co., Ltd.
- Electronic component with surface electrode layer6 Oct 2026US 12,755,904 B2TDK Corporation
- Dielectric composition with high-temperature stability8 Oct 2026US 2026/0308067 A1Amotech Co., Ltd.
- Process for producing functionalized polythiophenes8 Oct 2026US 2026/0308308 A1
- Multilayer electronic component8 Oct 2026US 2026/0311932 A1Samsung Electro-Mechanics Co., Ltd.
- Dielectric ceramic, method of preparing the same, and multilayer ceramic capacitor including the same8 Oct 2026US 2026/0311933 A1Samsung Electro-Mechanics Co., Ltd.
- Multilayer ceramic capacitor8 Oct 2026US 2026/0311934 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Method for manufacturing a polycrystalline dielectric layer521US 8,667,654 B2STMicroelectronics (Crolles 2) SAS · 2014
- Bistable microelectromechanical actuator511US 5,867,302 ASandia Corporation · 1999
- Vanadium-containing film forming compositions and vapor deposition of vanadium-containing films474US 9,691,771 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2017
- Aluminum electrolytic capacitor and a manufacturing method therefor466US 4,663,824 AMatsushita Electric Industrial Co., Ltd. · 1987