H01M 4/9025
Oxides specially used in fuel cell operating at high temperature
Official title: {Oxides specially used in fuel cell operating at high temperature, e.g. SOFC}
H01M4/9025 (Oxides specially used in fuel cell operating at high temperature) appears on 653 US grants and 909 published applications in this corpus.
Search patents in H01M- Granted patents
- 653
- Published applications
- 909
- Assignees
- 383
- Inventors
- 1,911
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 4 |
| 2002 | 5 | 22 |
| 2003 | 13 | 17 |
| 2004 | 14 | 40 |
| 2005 | 12 | 36 |
| 2006 | 9 | 29 |
| 2007 | 16 | 41 |
| 2008 | 13 | 37 |
| 2009 | 25 | 33 |
| 2010 | 21 | 40 |
| 2011 | 26 | 44 |
| 2012 | 18 | 35 |
| 2013 | 22 | 40 |
| 2014 | 25 | 38 |
| 2015 | 21 | 42 |
| 2016 | 32 | 39 |
| 2017 | 22 | 37 |
| 2018 | 37 | 42 |
| 2019 | 31 | 41 |
| 2020 | 31 | 46 |
| 2021 | 32 | 44 |
| 2022 | 28 | 38 |
| 2023 | 32 | 30 |
| 2024 | 18 | 31 |
| 2025 | 25 | 36 |
| 2026 | 8 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Solar hydrogen fuel cell system18 Aug 2026US 12,712,480 B1
- Calcium ruthenate composition of matter and calcium ruthenate catalysts21 Jul 2026US 12,686,622 B2Toyota Research Institute, Inc.
- Method of manufacturing nanolayered cathodes for solid oxide fuel cell using ultrasonic spray infiltration and solid oxide fuel cell manufactured using same23 Jun 2026US 12,665,204 B2Korea Institute of Energy Research
- Electrode material, membrane electrode assembly, electrochemical cell and fuel cell system14 Apr 2026US 12,603,317 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrode having columnar structure provided with multilayer part17 Mar 2026US 12,580,203 B2National Institute of Advanced Industrial Science and Technology
- Electrode, solid oxide cell including the same, and method of preparing solid oxide cell1 Oct 2026US 2026/0296913 A1Samsung Electro-Mechanics Co., Ltd.
- Metal-supported solid oxide cells10 Sep 2026US 2026/0269296 A1
- Powder for thermal spraying27 Aug 2026US 2026/0250200 A1Fujimi Incorporated
- Solid oxide fuel cell and method for manufacturing the same23 Jul 2026US 2026/0213225 A1Korea Institute of Energy Research
- Production of syngas from methane16 Jul 2026US 2026/0204606 A1Totalenergies Onetech
Most cited
By later US patents
- Composite ceramic powder, method for manufacturing the powder, electrode for solid electrolytic fuel cell, and method for manufacturing the electrode110US 5,993,988 AJapan Fine Ceramics Center · 1999
- Fuel cell interconnect device108US 5,942,349 ACeramic Fuel Cells Limited · 1999
- Two component-three dimensional catalysis105US 6,355,093 B1Eltron Research, Inc. · 2002
- Core-shell ceramic particulate and method of making104US 7,670,679 B2General Electric Company · 2010
- Electrochemical apparatus and process103US 5,589,285 ATechnology Management, Inc. · 1996