H01M 4/02
Electrodes composed of, or comprising, active material
H01M4/02 (Electrodes composed of, or comprising, active material) appears on 32,442 US grants and 52,104 published applications in this corpus.
Search patents in H01M- Granted patents
- 32,442
- Published applications
- 52,104
- Assignees
- 5,846
- Inventors
- 50,501
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 113 | 0 |
| 1977 | 143 | 0 |
| 1978 | 140 | 0 |
| 1979 | 112 | 0 |
| 1980 | 128 | 0 |
| 1981 | 143 | 0 |
| 1982 | 114 | 0 |
| 1983 | 114 | 0 |
| 1984 | 116 | 0 |
| 1985 | 149 | 0 |
| 1986 | 128 | 0 |
| 1987 | 94 | 0 |
| 1988 | 100 | 0 |
| 1989 | 139 | 0 |
| 1990 | 154 | 0 |
| 1991 | 114 | 0 |
| 1992 | 145 | 0 |
| 1993 | 128 | 0 |
| 1994 | 167 | 0 |
| 1995 | 211 | 0 |
| 1996 | 294 | 0 |
| 1997 | 280 | 0 |
| 1998 | 306 | 0 |
| 1999 | 291 | 0 |
| 2000 | 334 | 0 |
| 2001 | 427 | 203 |
| 2002 | 457 | 570 |
| 2003 | 440 | 608 |
| 2004 | 420 | 688 |
| 2005 | 268 | 677 |
| 2006 | 278 | 689 |
| 2007 | 287 | 728 |
| 2008 | 290 | 723 |
| 2009 | 349 | 939 |
| 2010 | 542 | 1047 |
| 2011 | 513 | 1280 |
| 2012 | 643 | 1513 |
| 2013 | 768 | 1777 |
| 2014 | 949 | 1993 |
| 2015 | 1250 | 2076 |
| 2016 | 1342 | 2047 |
| 2017 | 1525 | 2122 |
| 2018 | 1544 | 2330 |
| 2019 | 1889 | 2564 |
| 2020 | 2135 | 3051 |
| 2021 | 1875 | 2830 |
| 2022 | 1951 | 3526 |
| 2023 | 1878 | 4185 |
| 2024 | 2276 | 4780 |
| 2025 | 2307 | 4938 |
| 2026 | 1682 | 4220 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 4/36Selection of substances as active materials, active masses, active liquids23,637
- H01M 4/13Electrodes for accumulators with non-aqueous electrolyte15,975
- H01M 4/62Selection of inactive substances as ingredients for active masses11,087
- H01M 2004/026Characterised by the polarityIndexing code10,004
- H01M 4/04Processes of manufacture in general9,134
- H01M 4/64Carriers or collectors7,053
- H01M 2004/021Physical characteristicsIndexing code5,647
- H01M 4/24Electrodes for alkaline accumulators1,456
All 14 subgroupsShow fewer
- H01M 4/06Electrodes for primary cells764
- H01M 4/14Electrodes for lead-acid accumulators606
- H01M 2004/025With shapes other than plane or cylindricalIndexing code284
- H01M 2004/024Insertable electrodesIndexing code118
- H01M 2004/023Gel electrodeIndexing code90
- H01M 2004/022Electrodes made of one single microscopic fiberIndexing code42
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Most cited
By later US patents
- Rechargeable batteries1,485US 6,596,432 B2Canon Kabushiki Kaisha · 2003
- Ionic semiconductor materials and applications thereof795US 5,055,171 AT and G Corporation · 1991
- Implantable device with improved battery recharging and powering configuration693US 6,067,474 AAdvanced Bionics AG · 2000
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Medical device having lithium-ion battery424US 7,337,010 B2Medtronic, Inc. · 2008