H01M 4/383
Hydrogen absorbing alloys
Official title: {Hydrogen absorbing alloys}
H01M4/383 (Hydrogen absorbing alloys) appears on 626 US grants and 464 published applications in this corpus.
Search patents in H01M- Granted patents
- 626
- Published applications
- 464
- Assignees
- 224
- Inventors
- 1,153
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 23 | 0 |
| 1995 | 21 | 0 |
| 1996 | 28 | 0 |
| 1997 | 19 | 0 |
| 1998 | 29 | 0 |
| 1999 | 38 | 0 |
| 2000 | 27 | 0 |
| 2001 | 41 | 17 |
| 2002 | 32 | 35 |
| 2003 | 24 | 31 |
| 2004 | 32 | 27 |
| 2005 | 15 | 22 |
| 2006 | 12 | 27 |
| 2007 | 14 | 25 |
| 2008 | 11 | 8 |
| 2009 | 8 | 33 |
| 2010 | 10 | 20 |
| 2011 | 10 | 14 |
| 2012 | 18 | 15 |
| 2013 | 15 | 19 |
| 2014 | 7 | 17 |
| 2015 | 12 | 19 |
| 2016 | 19 | 34 |
| 2017 | 9 | 14 |
| 2018 | 12 | 18 |
| 2019 | 16 | 10 |
| 2020 | 11 | 9 |
| 2021 | 6 | 6 |
| 2022 | 5 | 14 |
| 2023 | 8 | 14 |
| 2024 | 9 | 9 |
| 2025 | 7 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen storage alloy28 Jul 2026US 12,691,493 B2Mitsui Kinzoku Company, Limited
- 3D printed hydrogen storage systems using non-pyrophoric hydrogen storage alloys2 Jun 2026US 12,644,168 B2Sesame Solar, Inc.
- Anode active material, alkaline storage battery, and method for producing anode active material20 Jan 2026US 12,531,234 B2Toyota Jidosha Kabushiki Kaisha
- Plate for battery stack23 Sep 2025US 12,424,712 B2Kabushiki Kaisha Toyota Jidoshokki
- Organic hydrogen storage material dehydrogenation catalyst, support for the catalyst, hydrogen-storage alloy, and process for providing high-purity hydrogen gas29 Jul 2025US 12,371,762 B2China Petroleum & Chemical Corporation
- 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.
- Hydrogen storage alloy and alkaline storage battery11 Dec 2025US 2025/0379222 A1Panasonic Intellectual Property Management Co., 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
- Rechargeable All-Water Atomic Battery31 Jul 2025US 2025/0246614 A1
Most cited
By later US patents
- Electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries151US 7,771,870 B2Sion Power Corporation · 2010
- Electroactive material for secondary batteries and methods of preparation146US 6,599,662 B1Massachusetts Institute of Technology · 2003
- Amorphous metal alloy compositions for reversible hydrogen storage and electrodes made therefrom131US 4,923,770 AThe Standard Oil Company · 1990
- Electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries129US 9,040,201 B2Sion Power Corporation · 2015
- Composite solid electrolyte for protection of active metal anodes128US 8,182,943 B2PolyPlus Battery Company · 2012