H01M 4/8657
Layered
Official title: {layered}
H01M4/8657 (Layered) appears on 800 US grants and 1,305 published applications in this corpus.
Search patents in H01M- Granted patents
- 800
- Published applications
- 1,305
- Assignees
- 502
- Inventors
- 2,818
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 8 |
| 2003 | 2 | 6 |
| 2004 | 6 | 16 |
| 2005 | 4 | 28 |
| 2006 | 6 | 28 |
| 2007 | 5 | 64 |
| 2008 | 11 | 51 |
| 2009 | 13 | 61 |
| 2010 | 26 | 64 |
| 2011 | 30 | 53 |
| 2012 | 33 | 44 |
| 2013 | 34 | 54 |
| 2014 | 35 | 61 |
| 2015 | 39 | 76 |
| 2016 | 43 | 60 |
| 2017 | 57 | 58 |
| 2018 | 54 | 62 |
| 2019 | 51 | 78 |
| 2020 | 55 | 71 |
| 2021 | 54 | 90 |
| 2022 | 64 | 70 |
| 2023 | 61 | 62 |
| 2024 | 38 | 45 |
| 2025 | 39 | 50 |
| 2026 | 21 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Graphene and other 2D materials as layered “shells” supported on “core” nanoparticle carriers25 Aug 2026US 12,719,061 B2Breton SPA
- Part coated with a carbon-based layer4 Aug 2026US 12,698,556 B2Hydromecanique Et Frottement
- 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
- Membrane electrode assembly24 Sep 2026US 2026/0290849 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
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
- High power density solid oxide fuel cell having a graded anode58US 6,228,521 B1University of Utah Research Foundation · 2001
- Nanostructured core-shell electrocatalysts for fuel cells58US 7,935,655 B2Kent State University · 2011