H01G 11/42
Powders or particles
Official title: Powders or particles, e.g. composition thereof
H01G11/42 (Powders or particles) appears on 284 US grants and 443 published applications in this corpus.
Search patents in H01G- Granted patents
- 284
- Published applications
- 443
- Assignees
- 218
- Inventors
- 893
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 12 |
| 2003 | 6 | 7 |
| 2004 | 9 | 19 |
| 2005 | 6 | 15 |
| 2006 | 8 | 17 |
| 2007 | 9 | 13 |
| 2008 | 4 | 16 |
| 2009 | 5 | 14 |
| 2010 | 7 | 23 |
| 2011 | 15 | 13 |
| 2012 | 12 | 17 |
| 2013 | 8 | 22 |
| 2014 | 9 | 9 |
| 2015 | 13 | 22 |
| 2016 | 11 | 27 |
| 2017 | 14 | 26 |
| 2018 | 20 | 24 |
| 2019 | 18 | 29 |
| 2020 | 17 | 15 |
| 2021 | 15 | 13 |
| 2022 | 14 | 14 |
| 2023 | 17 | 23 |
| 2024 | 8 | 22 |
| 2025 | 18 | 17 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biomass-derived carbon12 May 2026US 12,626,924 B2Sila Nanotechnologies, Inc.
- Carbonaceous material for electrochemical device, production method therefor, negative electrode for electrochemical device, and electrochemical device7 Apr 2026US 12,595,177 B2Kuraray Co., Ltd.
- Boron-sulfur-codoped porous carbon material and preparation method and use thereof17 Mar 2026US 12,577,109 B2Northwest Minzu University
- Electric double-layer capacitor and its manufacturing method using an aqueous electrolytic solution10 Mar 2026US 12,573,566 B2Tokin Corporation
- Biomass-derived carbon10 Mar 2026US 12,573,630 B2Sila Nanotechnologies, Inc.
- Electrode material for hybrid sodium ion capacitor including three-dimensional porous carbon composite doped with heterogeneous elements13 Aug 2026US 2026/0234000 A1Korea Advanced Institute of Science and Technology
- Zinc-vanadium-nickel oxide nano-flakes in flexible biochar matrix for supercapacitors30 Jul 2026US 2026/0221350 A1Imam Abdulrahman Bin Faisal University
- An electric double layer capacitor device23 Jul 2026US 2026/0213085 A1Cap-XX Limited
- Composite material for electrodes, electricity storage device, and method of manufacturing composite material for electrodes23 Jul 2026US 2026/0213158 A1Tohoku University
- Binders for energy conversion and storage devices9 Jul 2026US 2026/0193477 A1Cap-XX Limited
Most cited
By later US patents
- Charge storage device250US 6,631,072 B1Energy Storage Systems PTY LTD · 2003
- Polarizable electrode for electric double layer capacitor and methods for producing polarizable electrode and capacitor122US 6,847,517 B2Honda Motor Co., Ltd. · 2005
- Method of making composite electrode and current collectors120US 6,830,595 B2Advanced Energy Technology Inc. · 2004
- Organic aerogel microspheres and fabrication method therefor112US 5,508,341 AThe Regents of the University of California · 1996
- Composite carbon foam electrode105US 5,626,977 AThe Regents of the University of California · 1997