H01G 4/00
Fixed capacitors
Official title: Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G9/00)
H01G4/00 (Fixed capacitors) appears on 11,291 US grants and 11,848 published applications in this corpus.
Search patents in H01G- Granted patents
- 11,291
- Published applications
- 11,848
- Assignees
- 1,967
- Inventors
- 14,806
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 43 | 0 |
| 1978 | 51 | 0 |
| 1979 | 29 | 0 |
| 1980 | 46 | 0 |
| 1981 | 53 | 0 |
| 1982 | 58 | 0 |
| 1983 | 67 | 0 |
| 1984 | 103 | 0 |
| 1985 | 95 | 0 |
| 1986 | 98 | 0 |
| 1987 | 81 | 0 |
| 1988 | 83 | 0 |
| 1989 | 103 | 0 |
| 1990 | 76 | 0 |
| 1991 | 104 | 0 |
| 1992 | 91 | 0 |
| 1993 | 67 | 0 |
| 1994 | 52 | 0 |
| 1995 | 73 | 0 |
| 1996 | 77 | 0 |
| 1997 | 72 | 0 |
| 1998 | 100 | 0 |
| 1999 | 108 | 0 |
| 2000 | 113 | 0 |
| 2001 | 164 | 77 |
| 2002 | 181 | 174 |
| 2003 | 205 | 211 |
| 2004 | 177 | 241 |
| 2005 | 186 | 243 |
| 2006 | 228 | 316 |
| 2007 | 189 | 341 |
| 2008 | 190 | 374 |
| 2009 | 231 | 378 |
| 2010 | 257 | 342 |
| 2011 | 245 | 314 |
| 2012 | 295 | 356 |
| 2013 | 289 | 408 |
| 2014 | 300 | 495 |
| 2015 | 392 | 523 |
| 2016 | 462 | 514 |
| 2017 | 464 | 567 |
| 2018 | 505 | 569 |
| 2019 | 612 | 616 |
| 2020 | 577 | 661 |
| 2021 | 518 | 624 |
| 2022 | 533 | 679 |
| 2023 | 595 | 752 |
| 2024 | 566 | 707 |
| 2025 | 610 | 739 |
| 2026 | 429 | 627 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01G 4/002Details9,677
- H01G 4/30Stacked capacitors5,528
- H01G 4/33Thin- or thick-film capacitors1,462
- H01G 4/38Multiple capacitors, i.e. structural combinations of fixed capacitors1,303
- H01G 4/40Structural combinations of fixed capacitors with other electric elements, the structure mainly1,176
- H01G 4/35Feed-through capacitors or anti-noise capacitors590
- H01G 4/32Wound capacitors507
- H01G 4/28Tubular capacitors62
All 9 subgroupsShow fewer
Recent patents
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Most cited
By later US patents
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- Method of manufacturing capacitive insulating film for capacitor449US 8,198,168 B2Elpida Memory, Inc. · 2012
- Feedthrough filter capacitor assembly for human implant399US 5,333,095 AMaxwell Laboratories, Inc., Sierra Capacitor Filter Division · 1994
- Lead silicate based capacitor structures396US 6,090,659 AInternational Business Machines Corporation · 2000