H01M 4/06
Electrodes for primary cells
H01M4/06 (Electrodes for primary cells) appears on 764 US grants and 739 published applications in this corpus.
Search patents in H01M- Granted patents
- 764
- Published applications
- 739
- Assignees
- 339
- Inventors
- 1,581
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 20 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 12 | 0 |
| 1982 | 9 | 0 |
| 1983 | 18 | 0 |
| 1984 | 15 | 0 |
| 1985 | 13 | 0 |
| 1986 | 23 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 17 | 0 |
| 1998 | 15 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 5 |
| 2002 | 11 | 15 |
| 2003 | 12 | 26 |
| 2004 | 18 | 31 |
| 2005 | 12 | 29 |
| 2006 | 9 | 28 |
| 2007 | 11 | 24 |
| 2008 | 14 | 24 |
| 2009 | 19 | 24 |
| 2010 | 25 | 30 |
| 2011 | 15 | 38 |
| 2012 | 27 | 27 |
| 2013 | 20 | 25 |
| 2014 | 19 | 29 |
| 2015 | 19 | 33 |
| 2016 | 28 | 35 |
| 2017 | 21 | 34 |
| 2018 | 23 | 33 |
| 2019 | 36 | 28 |
| 2020 | 41 | 46 |
| 2021 | 24 | 44 |
| 2022 | 26 | 30 |
| 2023 | 23 | 24 |
| 2024 | 18 | 29 |
| 2025 | 12 | 29 |
| 2026 | 10 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Alkali dry cell11 Aug 2026US 12,706,309 B2Panasonic Intellectual Property Management Co., Ltd.
- Power generation method and power generating element using humidity variation30 Jun 2026US 12,671,130 B2National Institute of Advanced Industrial Science and Technology
- Winding apparatus and winding method5 May 2026US 12,617,642 B2Contemporary Amperex Technology (Hong Kong) Limited
- Electrode for secondary batteries, and secondary battery7 Apr 2026US 12,597,591 B2Panasonic Energy Co., Ltd.
- Lithium primary battery and liquid non-aqueous electrolyte for lithium primary battery31 Mar 2026US 12,592,395 B2Panasonic Intellectual Property Management Co., Ltd.
- Alkaline dry-cell battery20 Aug 2026US 2026/0245863 A1Panasonic Intellectual Property Management Co., Ltd.
- Alkaline dry-cell battery20 Aug 2026US 2026/0245911 A1Panasonic Intellectual Property Management Co., Ltd.
- Particle systems and methods13 Aug 2026US 2026/0234409 A1Monolith Materials, Inc.
- Lithium primary battery6 Aug 2026US 2026/0229488 A1Panasonic Intellectual Property Management Co., Ltd.
- Button battery16 Jul 2026US 2026/0204591 A1Eve Energy Co., Ltd.
Most cited
By later US patents
- Plating metal negative electrodes under protective coatings287US 6,402,795 B1PolyPlus Battery Company · 2002
- Lithium/organosulfur redox cell having protective solid electrolyte barrier formed on anode and method of making same206US 4,917,974 AThe United States of America as represented by the Department of Energy · 1990
- High reliability electrochemical cell and electrode assembly therefor200US 5,439,760 AMedtronic, Inc. · 1995
- Plating metal negative electrodes under protective coatings148US 6,723,140 B22004
- Composite solid electrolyte for protection of active metal anodes128US 8,182,943 B2PolyPlus Battery Company · 2012