H01G 9/04
Electrodes or formation of dielectric layers thereon
Official title: Electrodes {or formation of dielectric layers thereon}
H01G9/04 (Electrodes or formation of dielectric layers thereon) appears on 2,370 US grants and 2,567 published applications in this corpus.
Search patents in H01G- Granted patents
- 2,370
- Published applications
- 2,567
- Assignees
- 600
- Inventors
- 3,542
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 11 | 0 |
| 1979 | 13 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 14 | 0 |
| 1985 | 19 | 0 |
| 1986 | 12 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 23 | 0 |
| 1999 | 23 | 0 |
| 2000 | 18 | 0 |
| 2001 | 45 | 16 |
| 2002 | 59 | 59 |
| 2003 | 69 | 72 |
| 2004 | 66 | 111 |
| 2005 | 61 | 87 |
| 2006 | 96 | 119 |
| 2007 | 64 | 95 |
| 2008 | 79 | 92 |
| 2009 | 55 | 104 |
| 2010 | 75 | 85 |
| 2011 | 63 | 82 |
| 2012 | 71 | 97 |
| 2013 | 69 | 106 |
| 2014 | 84 | 102 |
| 2015 | 100 | 114 |
| 2016 | 83 | 124 |
| 2017 | 109 | 122 |
| 2018 | 120 | 135 |
| 2019 | 104 | 126 |
| 2020 | 114 | 113 |
| 2021 | 105 | 88 |
| 2022 | 82 | 87 |
| 2023 | 74 | 112 |
| 2024 | 84 | 110 |
| 2025 | 98 | 121 |
| 2026 | 65 | 88 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Electrolytic capacitor22 Sep 2026US 12,744,164 B2Panasonic Intellectual Property Management Co., Ltd.
- Self-regenerative electrolytes with intrinsic redox activity for energy storage devices25 Aug 2026US 12,718,988 B2The American University in Cairo
- Thermosetting conductive resin composition and method for producing electronic component18 Aug 2026US 12,709,690 B2Shoei Chemical 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
- Solid electrolytic capacitor and manufacturing method24 Sep 2026US 2026/0290710 A1Nippon Chemi-Con Corporation
- Additive for organic conductors17 Sep 2026US 2026/0274791 A1Panasonic Intellectual Property Management Co., Ltd.
- Fabrication of capacitors17 Sep 2026US 2026/0279689 A1
Most cited
By later US patents
- Aluminum electrolytic capacitor and a manufacturing method therefor466US 4,663,824 AMatsushita Electric Industrial Co., Ltd. · 1987
- Charge storage device250US 6,631,072 B1Energy Storage Systems PTY LTD · 2003
- Solid electrolytic capacitors comprising a conductive layer made of a polymer of pyrrole or its derivative185US 5,812,367 AMatsushita Electric Industrial Co., Ltd. · 1998
- Protective coating for electrolytic capacitors184US 6,674,635 B1AVX Corporation · 2004
- Binder removal173US 6,197,252 B1AVX Corporation · 2001