H01M 4/625
Carbon or graphite
Official title: {Carbon or graphite}
H01M4/625 (Carbon or graphite) appears on 4,790 US grants and 9,512 published applications in this corpus.
Search patents in H01M- Granted patents
- 4,790
- Published applications
- 9,512
- Assignees
- 1,733
- Inventors
- 13,369
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 23 | 9 |
| 2002 | 29 | 57 |
| 2003 | 29 | 62 |
| 2004 | 29 | 59 |
| 2005 | 25 | 38 |
| 2006 | 34 | 60 |
| 2007 | 19 | 79 |
| 2008 | 19 | 77 |
| 2009 | 25 | 99 |
| 2010 | 38 | 102 |
| 2011 | 56 | 136 |
| 2012 | 55 | 218 |
| 2013 | 72 | 249 |
| 2014 | 122 | 321 |
| 2015 | 181 | 416 |
| 2016 | 216 | 450 |
| 2017 | 299 | 517 |
| 2018 | 336 | 467 |
| 2019 | 385 | 457 |
| 2020 | 435 | 554 |
| 2021 | 346 | 514 |
| 2022 | 341 | 721 |
| 2023 | 376 | 923 |
| 2024 | 396 | 1027 |
| 2025 | 456 | 1038 |
| 2026 | 308 | 862 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alkaline battery assembled in a discharged state and a method of producing battery electrode materials6 Oct 2026US 12,755,961 B2Zelos Energy Ltd.
- Secondary battery6 Oct 2026US 12,755,963 B2Murata Manufacturing Co., Ltd.
- Silicon carbon composite materials and method for making same6 Oct 2026US 12,755,964 B2Sicona Battery Technologies Pty Ltd
- Graphite and dispersant additives for battery paste compositions6 Oct 2026US 12,755,968 B2The Curators of the University of Missouri
- Rechargeable lithium battery with an improved ε-VOPO4 cathode, and applications thereof6 Oct 2026US 12,755,970 B2The Research Foundation for The State University of New York
- Carbon material, production method for carbon material, dispersion liquid, composition for electrodes, slurry for electrodes, electrode, positive electrode, negative electrode, lithium ion battery, carbon material precursor, and production method for carbon material precursor8 Oct 2026US 2026/0307998 A13Dc Inc.
- Dispersant for power storage device positive electrode8 Oct 2026US 2026/0308297 A1Kao Corporation
- Conductive material dispersion, electrode slurry, and secondary battery8 Oct 2026US 2026/0308396 A1SK Innovation Co., Ltd.
- Negative electrode plate, electrochemical apparatus, and electronic apparatus8 Oct 2026US 2026/0311998 A1Ningde Amperex Technology Limited
- Dry electrode film, preparation method therefor, and electrode and battery8 Oct 2026US 2026/0312000 A1Eve Energy Co., Ltd.
Most cited
By later US patents
- Lithium anodes for electrochemical cells319US 7,247,408 B2Sion Power Corporation · 2007
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Nano graphene platelet-base composite anode compositions for lithium ion batteries226US 7,745,047 B2Nanotek Instruments, Inc. · 2010
- Cathode materials for secondary (rechargeable) lithium batteries223US 6,514,640 B1Board of Regents, The University of Texas System · 2003
- Liquid electrolyte lithium-sulfur batteries209US 6,030,720 APolyPlus Battery Company · 2000