H01M 2004/021
Physical characteristics
Official title: {Physical characteristics, e.g. porosity, surface area}
H01M2004/021 (Physical characteristics) appears on 5,647 US grants and 12,785 published applications in this corpus.
Search patents in H01M- Granted patents
- 5,647
- Published applications
- 12,785
- Assignees
- 1,676
- Inventors
- 15,955
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 33 | 19 |
| 2002 | 39 | 79 |
| 2003 | 44 | 112 |
| 2004 | 62 | 118 |
| 2005 | 51 | 148 |
| 2006 | 45 | 144 |
| 2007 | 55 | 175 |
| 2008 | 55 | 133 |
| 2009 | 81 | 164 |
| 2010 | 124 | 170 |
| 2011 | 108 | 201 |
| 2012 | 123 | 198 |
| 2013 | 119 | 229 |
| 2014 | 144 | 277 |
| 2015 | 177 | 324 |
| 2016 | 194 | 311 |
| 2017 | 241 | 372 |
| 2018 | 224 | 370 |
| 2019 | 287 | 483 |
| 2020 | 389 | 659 |
| 2021 | 354 | 736 |
| 2022 | 422 | 1057 |
| 2023 | 451 | 1454 |
| 2024 | 575 | 1562 |
| 2025 | 678 | 1767 |
| 2026 | 524 | 1523 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Lithium anodes for electrochemical cells319US 7,247,408 B2Sion Power Corporation · 2007
- Nonaqueous secondary battery containing silicic material217US 6,235,427 B1Fuji Photo Film Co., Ltd. · 2001
- Lithium metal oxide electrodes for lithium cells and batteries208US 6,680,143 B2The University of Chicago · 2004
- Ionically conductive composites for protection of active metal anodes203US 7,282,296 B2PolyPlus Battery Company · 2007
- Composite cathodes, electrochemical cells comprising novel composite cathodes, and processes for fabricating same201US 5,919,587 AMoltech Corporation · 1999