H01M 8/04865
Voltage
Official title: {Voltage}
H01M8/04865 (Voltage) appears on 683 US grants and 915 published applications in this corpus.
Search patents in H01M- Granted patents
- 683
- Published applications
- 915
- Assignees
- 238
- Inventors
- 1,515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 14 |
| 2003 | 8 | 17 |
| 2004 | 11 | 24 |
| 2005 | 8 | 34 |
| 2006 | 22 | 42 |
| 2007 | 5 | 41 |
| 2008 | 15 | 27 |
| 2009 | 17 | 37 |
| 2010 | 20 | 68 |
| 2011 | 30 | 32 |
| 2012 | 34 | 40 |
| 2013 | 30 | 25 |
| 2014 | 35 | 29 |
| 2015 | 32 | 34 |
| 2016 | 30 | 38 |
| 2017 | 28 | 42 |
| 2018 | 31 | 38 |
| 2019 | 41 | 41 |
| 2020 | 40 | 50 |
| 2021 | 45 | 40 |
| 2022 | 37 | 40 |
| 2023 | 40 | 64 |
| 2024 | 32 | 30 |
| 2025 | 28 | 30 |
| 2026 | 24 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel cell power control system and method6 Oct 2026US 12,755,994 B2Hyundai Motor Cpompany
- High-temperature anion-exchange membrane fuel cell15 Sep 2026US 12,738,518 B2Technion Research & Development Foundation Limited
- Electrical energy supply system for mobile platforms and vehicle having an electrical energy supply system1 Sep 2026US 12,725,815 B2Airbus SAS
- Catalyst deterioration suppression device21 Jul 2026US 12,689,049 B2Kabushiki Kaisha Toyota Chuo Kenkyusho
- Activation method for fuel cell and device therefor21 Jul 2026US 12,689,051 B2Honda Motor Co., Ltd.
- Conditioning method and conditioning device8 Oct 2026US 2026/0312092 A1Robert Bosch GmbH
- Fuel cell vehicle and regenerative electrical power consumption method for fuel cell vehicle1 Oct 2026US 2026/0296225 A1Honda Motor Co., Ltd.
- Electrical Power Generating System1 Oct 2026US 2026/0302793 A1BWR Innovations LLC
- Control method for fuel cell system17 Sep 2026US 2026/0279861 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
- Fuel cell system and control method thereof17 Sep 2026US 2026/0279862 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Power supply apparatus220US 6,882,131 B1Matsushita Electric Industrial Co., Ltd. · 2005
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- Automatic voltage imbalance detector205US 4,424,491 AThe United States of America as represented by the United States Department of Energy · 1984
- Power supply system and electronic device196US 7,538,451 B2Sony Corporation · 2009
- Power supply apparatus with fuel cell and method of controlling the same162US 7,883,808 B2Hitachi, Ltd. · 2011