C01B 2204/02
Single layer graphene
C01B2204/02 (Single layer graphene) appears on 197 US grants and 248 published applications in this corpus.
Search patents in C01B- Granted patents
- 197
- Published applications
- 248
- Assignees
- 144
- Inventors
- 497
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 1 | 10 |
| 2011 | 4 | 12 |
| 2012 | 4 | 12 |
| 2013 | 4 | 10 |
| 2014 | 10 | 10 |
| 2015 | 18 | 16 |
| 2016 | 16 | 17 |
| 2017 | 11 | 19 |
| 2018 | 11 | 15 |
| 2019 | 17 | 26 |
| 2020 | 14 | 22 |
| 2021 | 20 | 23 |
| 2022 | 24 | 12 |
| 2023 | 19 | 17 |
| 2024 | 9 | 8 |
| 2025 | 4 | 5 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of graphene directly from biomass precursor22 Sep 2026US 12,741,873 B2Global Graphene Group, Inc.
- Transparent substrates comprising three-dimensional porous conductive graphene films and methods for making the same8 Sep 2026US 12,729,153 B2Corning Incorporated
- 2D amorphous carbon film assembled from graphene quantum dots14 Apr 2026US 12,600,634 B2United States Department of Energy
- Process for direct deposition of graphene or graphene oxide onto a substrate of interest10 Feb 2026US 12,545,996 B2Universite Picardie Jules Verne
- Culture scaffold for promoting stem cell differentiation comprising multilayer graphene film27 Jan 2026US 12,533,380 B2Biographene Inc.
- Formation of graphene films from solid biomass-derived carbon sources by chemical vapor deposition17 Sep 2026US 2026/0274674 A1City University of Hong Kong
- Graphene and methods of making graphene17 Sep 2026US 2026/0274675 A1
- Uniform Deposition of Silicon in Pores of Porous Conductive Particles for Battery Anodes6 Aug 2026US 2026/0229494 A1Honeycomb Battery Company
- Graphene Foam Particles, Devices Containing Same, and Production Process18 Jun 2026US 2026/0167497 A1Global Graphene Group, Inc.
- Single-layer edge-oxidized graphene and preparation method thereof19 Mar 2026US 2026/0078006 A1Shenzhen Intrinsic Equation Graphene Technology Co., Ltd
Most cited
By later US patents
- Mass production of nano-scaled platelets and products52US 7,785,492 B1Nanotek Instruments, Inc. · 2010
- Process for producing dispersible nano graphene platelets from oxidized graphite51US 8,114,375 B2Nanotek Instruments, Inc. · 2012
- Spacer-modified nano graphene electrodes for supercapacitors39US 8,315,039 B2Nanotek Instruments, Inc. · 2012
- Carbon material originating from graphite and method of producing same37US 5,925,465 ANEC Corporation · 1999
- Large-area single- and few-layer graphene on arbitrary substrates37US 8,535,553 B2Massachusetts Institute of Technology · 2013