H01G 11/32
Carbon-based
H01G11/32 (Carbon-based) appears on 2,373 US grants and 3,418 published applications in this corpus.
Search patents in H01G- Granted patents
- 2,373
- Published applications
- 3,418
- Assignees
- 1,123
- Inventors
- 5,786
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 11 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 23 | 0 |
| 2000 | 15 | 0 |
| 2001 | 29 | 4 |
| 2002 | 30 | 57 |
| 2003 | 35 | 43 |
| 2004 | 33 | 49 |
| 2005 | 21 | 62 |
| 2006 | 38 | 66 |
| 2007 | 39 | 63 |
| 2008 | 33 | 86 |
| 2009 | 31 | 98 |
| 2010 | 44 | 110 |
| 2011 | 66 | 142 |
| 2012 | 69 | 152 |
| 2013 | 68 | 171 |
| 2014 | 86 | 149 |
| 2015 | 113 | 202 |
| 2016 | 138 | 193 |
| 2017 | 137 | 229 |
| 2018 | 175 | 210 |
| 2019 | 168 | 223 |
| 2020 | 191 | 190 |
| 2021 | 135 | 149 |
| 2022 | 126 | 148 |
| 2023 | 115 | 176 |
| 2024 | 138 | 188 |
| 2025 | 131 | 149 |
| 2026 | 60 | 109 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Graphene supercapacitor29 Sep 2026US 12,749,629 B2
- Positive active material for energy storage device, positive electrode for energy storage device, energy storage device, and energy storage apparatus29 Sep 2026US 12,749,676 B2GS Yuasa International Ltd.
- Activated carbon production and methods therefor22 Sep 2026US 12,741,875 B2Atlas Power Technologies Inc.
- Lithium anodes and methods for fabricating Li anodes22 Sep 2026US 12,744,214 B2William Marsh Rice University
- Methods for producing 1T′-phase transition metal dichalcogenides and electrochemical capacitator comprising the same for water desalination15 Sep 2026US 12,738,428 B2City University of Hong Kong
- Separator with a ceramic-comprising separator layer8 Oct 2026US 2026/0312233 A1Sila Nanotechnologies, Inc.
- Manufacturing method of supercapacitor electrode material and supercapacitor electrode using the same1 Oct 2026US 2026/0302093 A1CPC Corporation, Taiwan
- Advanced lithium-ion energy storage device1 Oct 2026US 2026/0302094 A1Nanoramic, Inc.
- Porous carbon material, manufacturing method of the same, and energy storage device with the same24 Sep 2026US 2026/0285687 A13Dc Inc.
- Interconnect Strip for an Ultracapacitor Module24 Sep 2026US 2026/0290711 A1KYOCERA AVX Components Corporation
Most cited
By later US patents
- Nano-scaled graphene plate nanocomposites for supercapacitor electrodes280US 7,623,340 B1Nanotek Instruments, Inc. · 2009
- Rechargeable hybrid battery/supercapacitor system263US 6,252,762 B1Telcordia Technologies, Inc. · 2001
- Charge storage device250US 6,631,072 B1Energy Storage Systems PTY LTD · 2003
- Supercapacitor structure247US 6,181,545 B2Telcordia Technologies, Inc. · 2001
- Carbon supercapacitor electrode materials219US 5,993,996 AInorganic Specialists, Inc. · 1999