C04B 2111/00258
Electromagnetic wave absorbing or shielding materials
Official title: {Electromagnetic wave absorbing or shielding materials}
C04B2111/00258 (Electromagnetic wave absorbing or shielding materials) appears on 50 US grants and 72 published applications in this corpus.
Search patents in C04B- Granted patents
- 50
- Published applications
- 72
- Assignees
- 51
- Inventors
- 148
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 6 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 4 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 4 |
| 2021 | 3 | 3 |
| 2022 | 1 | 5 |
| 2023 | 0 | 6 |
| 2024 | 2 | 9 |
| 2025 | 3 | 4 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radiation-resistant inorganic material and fiber thereof21 Jul 2026US 12,686,632 B2Nippon Fiber Corporation
- Building materials and components and methods of making the same2 Jun 2026US 12,643,824 B2
- Sintered body having pores and method for producing the same2 Jun 2026US 12,643,826 B2NEC Corporation
- Environmental barrier coating with thermal resistance12 May 2026US 12,624,229 B2Rtx Corporation
- Composite member, and heat generation device, building member and light emitting device, each of which uses same14 Apr 2026US 12,600,673 B2Panasonic Intellectual Property Management Co., Ltd.
- Electrically conductive mineral binder compositions17 Sep 2026US 2026/0274748 A1Sika Technology AG
- 3d printable cementitious ink including electromagnetic pulse resistant binders27 Aug 2026US 2026/0250193 A1ICON Technology, Inc.
- Magnetic field curable concrete compositions and methods of curing using magnetic nanoparticles16 Apr 2026US 2026/0103424 A1
- Magnesia cement for the solidification of aqueous waste2 Apr 2026US 2026/0094735 A1Battelle Savannah River Alliance, LLC
- Composite electromagnetic wave-absorbing material and preparation method therefor12 Feb 2026US 2026/0047054 A1Hefei Zhongyin New Materials Co., Ltd
Most cited
By later US patents
- Aerogel composite with fibrous batting106US 7,078,359 B2Aspen Aerogels, Inc. · 2006
- Method of applying opaque coatings74US 5,399,441 ADow Corning Corporation · 1995
- Aerogel composite with fibrous batting51US 7,504,346 B2Aspen Aerogels, Inc. · 2009
- Electromagnetic radiation absorptive coating composition containing metal coated microspheres47US 5,786,785 ASpectro Dynamics Systems, L.P. · 1998
- Porous materials embedded with nanoparticles, methods of fabrication and uses thereof34US 8,378,877 B22013