H01M 4/0416
Involving impregnation with a solution, dispersion, paste or dry powder
Official title: {involving impregnation with a solution, dispersion, paste or dry powder (H01M4/0438 takes precedence)}
H01M4/0416 (Involving impregnation with a solution, dispersion, paste or dry powder) appears on 651 US grants and 902 published applications in this corpus.
Search patents in H01M- Granted patents
- 651
- Published applications
- 902
- Assignees
- 416
- Inventors
- 2,343
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 17 | 0 |
| 2001 | 21 | 9 |
| 2002 | 23 | 20 |
| 2003 | 10 | 13 |
| 2004 | 14 | 20 |
| 2005 | 8 | 26 |
| 2006 | 4 | 9 |
| 2007 | 8 | 16 |
| 2008 | 9 | 10 |
| 2009 | 10 | 17 |
| 2010 | 12 | 8 |
| 2011 | 2 | 15 |
| 2012 | 16 | 20 |
| 2013 | 9 | 20 |
| 2014 | 9 | 52 |
| 2015 | 18 | 39 |
| 2016 | 21 | 42 |
| 2017 | 44 | 40 |
| 2018 | 39 | 37 |
| 2019 | 27 | 35 |
| 2020 | 42 | 58 |
| 2021 | 31 | 52 |
| 2022 | 38 | 95 |
| 2023 | 25 | 72 |
| 2024 | 52 | 74 |
| 2025 | 49 | 59 |
| 2026 | 21 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Negative electrode and secondary battery including the negative electrode11 Aug 2026US 12,706,312 B2LG Energy Solution, Ltd.
- Prelithiated negative electrode, preparation method thereof, and lithium ion battery and supercapacitor comprising the same14 Jul 2026US 12,683,163 B2China Energy Cas Technology Co., Ltd.
- Electrode production method and solid-state battery production method16 Jun 2026US 12,658,420 B2Panasonic Holdings Corporation
- Electrode for all-solid-state battery, all-solid-state battery, and manufacturing methods therefor9 Jun 2026US 12,651,747 B2Toyota Jidosha Kabushiki Kaisha
- Positive electrodes for rechargeable batteries8 Oct 2026US 2026/0312040 A1Board of Regents, The University of Texas System
- Method of manufacturing solid-state battery1 Oct 2026US 2026/0302159 A1Honda Motor Co., Ltd.
- Alkaline secondary battery, nickel hydrogen secondary battery, and production methods therefor1 Oct 2026US 2026/0302174 A1Fdk Corporation
- Lithium-ion secondary battery, battery apparatus, power consuming apparatus, preparation method for positive electrode active material, and preparation method for positive electrode plate1 Oct 2026US 2026/0302221 A1Contemporary Amperex Technology Co., Limited
- Method of processing battery and method of producing battery1 Oct 2026US 2026/0302571 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Liquid electrolyte lithium-sulfur batteries209US 6,030,720 APolyPlus Battery Company · 2000
- Rechargeable positive electrodes193US 5,686,201 APolyPlus Battery Company · 1997
- Methods of fabricating rechargeable positive electrodes188US 5,582,623 APolyPlus Battery Company · 1996
- Rechargeable positive electrode185US 5,523,179 APolyPlus Battery Company · 1996