H01M 4/242
Hydrogen storage electrodes
Official title: {Hydrogen storage electrodes}
H01M4/242 (Hydrogen storage electrodes) appears on 363 US grants and 299 published applications in this corpus.
Search patents in H01M- Granted patents
- 363
- Published applications
- 299
- Assignees
- 150
- Inventors
- 765
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 17 | 0 |
| 1997 | 15 | 0 |
| 1998 | 13 | 0 |
| 1999 | 14 | 0 |
| 2000 | 15 | 0 |
| 2001 | 19 | 6 |
| 2002 | 19 | 23 |
| 2003 | 27 | 26 |
| 2004 | 12 | 21 |
| 2005 | 13 | 18 |
| 2006 | 6 | 17 |
| 2007 | 13 | 22 |
| 2008 | 8 | 12 |
| 2009 | 5 | 18 |
| 2010 | 12 | 10 |
| 2011 | 6 | 8 |
| 2012 | 10 | 9 |
| 2013 | 10 | 10 |
| 2014 | 7 | 13 |
| 2015 | 6 | 6 |
| 2016 | 11 | 10 |
| 2017 | 6 | 11 |
| 2018 | 4 | 9 |
| 2019 | 7 | 7 |
| 2020 | 9 | 11 |
| 2021 | 7 | 8 |
| 2022 | 5 | 6 |
| 2023 | 5 | 5 |
| 2024 | 3 | 7 |
| 2025 | 4 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anode active material, alkaline storage battery, and method for producing anode active material20 Jan 2026US 12,531,234 B2Toyota Jidosha Kabushiki Kaisha
- Hydrogen absorbing alloy negative electrode and nickel-hydrogen secondary battery including the hydrogen absorbing alloy negative electrode25 Nov 2025US 12,482,806 B2Fdk Corporation
- Nickel electrode for alkaline secondary battery and alkaline secondary battery including nickel electrode25 Nov 2025US 12,482,808 B2Fdk Corporation
- Alkaline secondary battery26 Aug 2025US 12,401,067 B2Fdk Corporation
- Hydrogen storage alloy for alkaline storage battery, alkaline storage battery using the same as negative electrode, and vehicle8 Apr 2025US 12,272,819 B2Japan Metals & Chemicals Co., Ltd.
- Hydrogen storage alloy for alkaline storage battery, alkaline storage battery using same for negative electrode, and vehicle9 Jul 2026US 2026/0196476 A1Japan Metals & Chemicals Co., Ltd.
- Battery Pack and Device Including the Same18 Sep 2025US 2025/0293376 A1LG Energy Solution, Ltd.
- Negative electrode active material and production method therefor21 Aug 2025US 2025/0263821 A1Aichi Steel Corporation
- Negative electrode active material for nickel-metal hydride battery, and method for producing the same21 Aug 2025US 2025/0263822 A1Aichi Steel Corporation
- Aqueous battery29 May 2025US 2025/0174723 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Composite solid electrolyte for protection of active metal anodes128US 8,182,943 B2PolyPlus Battery Company · 2012
- Article comprising small diameter nanowires and method for making the same124US 6,465,132 B1Agere Systems Guardian Corp. · 2002
- Bipolar electrochmeical battery of stacked wafer cells103US 5,393,617 AElectro Energy, Inc. · 1995