H01M 4/8647
Consisting of more than one material
Official title: {consisting of more than one material, e.g. consisting of composites}
H01M4/8647 (Consisting of more than one material) appears on 1,236 US grants and 1,981 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,236
- Published applications
- 1,981
- Assignees
- 720
- Inventors
- 4,088
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 5 |
| 2002 | 3 | 16 |
| 2003 | 7 | 19 |
| 2004 | 15 | 45 |
| 2005 | 12 | 54 |
| 2006 | 18 | 61 |
| 2007 | 11 | 95 |
| 2008 | 16 | 89 |
| 2009 | 27 | 94 |
| 2010 | 40 | 91 |
| 2011 | 47 | 77 |
| 2012 | 57 | 76 |
| 2013 | 55 | 87 |
| 2014 | 53 | 90 |
| 2015 | 62 | 103 |
| 2016 | 61 | 91 |
| 2017 | 85 | 87 |
| 2018 | 72 | 88 |
| 2019 | 70 | 103 |
| 2020 | 79 | 104 |
| 2021 | 75 | 122 |
| 2022 | 87 | 93 |
| 2023 | 85 | 92 |
| 2024 | 51 | 74 |
| 2025 | 57 | 64 |
| 2026 | 30 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Membrane-electrode assembly capable of satisfying both of two requirements of excellent performance and high durability, and fuel cell including same6 Oct 2026US 12,755,996 B2Kolon Industries, Inc.
- Electrochemical catalyst of core-shell structure and manufacturing method thereof22 Sep 2026US 12,744,222 B2Korea Institute of Science and Technology
- 4H/fcc heterophase platinum based nanomaterial on nanorod for electrocatalytic alcohol oxidation8 Sep 2026US 12,731,794 B2City University of Hong Kong
- Method of manufacturing composite electrodes1 Sep 2026US 12,725,784 B2GM Global Technology Operations LLC
- Graphene and other 2D materials as layered “shells” supported on “core” nanoparticle carriers25 Aug 2026US 12,719,061 B2Breton SPA
- Electrochemical oxygen reduction catalyst8 Oct 2026US 2026/0312075 A1Toyota Jidosha Kabushiki Kaisha
- Multi-metallic oxygen reduction reaction (orr) cu-pt-au catalyst in high-temperature proton exchange membrane fuel cells8 Oct 2026US 2026/0312076 A1Brown University
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0312077 A1Toyota Jidosha Kabushiki Kaisha
- Nickel molybdenum catalysts and their methods of preparation8 Oct 2026US 2026/0312078 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0312080 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Nanowire structures comprising carbon146US 7,939,218 B2Nanosys, Inc. · 2011
- Nanowire structures comprising carbon135US 7,842,432 B2Nanosys, Inc. · 2010
- Nanostructured catalyst supports112US 8,278,011 B2Nanosys, Inc. · 2012
- Hydrogen forming reaction process111US 4,810,485 AInstitute of Gas Technology · 1989
- Direct liquid-feed fuel cell with membrane electrolyte and manufacturing thereof110US 5,945,231 ACalifornia Institute of Technology · 1999