C04B 2235/78
Grain sizes and shapes, product microstructures
Official title: Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
C04B2235/78 (Grain sizes and shapes, product microstructures) appears on 1,877 US grants and 2,466 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,877
- Published applications
- 2,466
- Assignees
- 742
- Inventors
- 4,387
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 14 | 31 |
| 2003 | 26 | 61 |
| 2004 | 38 | 59 |
| 2005 | 24 | 69 |
| 2006 | 43 | 80 |
| 2007 | 48 | 102 |
| 2008 | 50 | 78 |
| 2009 | 57 | 116 |
| 2010 | 66 | 126 |
| 2011 | 69 | 104 |
| 2012 | 84 | 106 |
| 2013 | 84 | 107 |
| 2014 | 83 | 103 |
| 2015 | 100 | 131 |
| 2016 | 111 | 84 |
| 2017 | 107 | 108 |
| 2018 | 86 | 111 |
| 2019 | 98 | 111 |
| 2020 | 78 | 122 |
| 2021 | 83 | 124 |
| 2022 | 99 | 131 |
| 2023 | 89 | 135 |
| 2024 | 87 | 127 |
| 2025 | 98 | 77 |
| 2026 | 63 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C04B 2235/786Micrometer sized grains, i.e. from 1 to 100 micronIndexing code1,039
- C04B 2235/785Submicron sized grains, i.e. from 0,1 to 1 micronIndexing code769
- C04B 2235/781Nanograined materials, i.e. having grain sizes below 100 nmIndexing code274
- C04B 2235/787Oriented grainsIndexing code241
- C04B 2235/782Grain size distributionsIndexing code203
- C04B 2235/788Aspect ratio of the grainsIndexing code122
Recent patents
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- M-type hexaferrite comprising a low dielectric loss ceramic29 Sep 2026US 12,749,604 B2Rogers Corporation
- Dielectric ceramic composition and multilayer ceramic electronic device22 Sep 2026US 12,741,911 B2Taiyo Yuden Co., Ltd.
- Zirconia composition, pre-sintered body and sintered body, and method of producing the same15 Sep 2026US 12,735,362 B2Kuraray Noritake Dental Inc.
- Cubic boron nitride sintered material and tool8 Sep 2026US 12,729,164 B2Sumitomo Electric Hardmetal Corp.
- Silver-containing zirconia sintered body, silver-containing stabilized zirconia powder, method for producing silver-containing stabilized zirconia powder, and method for producing silver-containing zirconia sintered body8 Oct 2026US 2026/0308069 A1Daiichi Kigenso Kagaku Kogyo Co., Ltd.
- Process for improving flash sintering of ceramics and improved ceramics8 Oct 2026US 2026/0308072 A1The Regents of the University of Colorado, a body corporate
- Dielectric ceramic, method of preparing the same, and multilayer ceramic capacitor including the same8 Oct 2026US 2026/0311933 A1Samsung Electro-Mechanics Co., Ltd.
- Multilayer ceramic electronic device and dielectric ceramic composition1 Oct 2026US 2026/0302065 A1Taiyo Yuden Co., Ltd.
- Hearth mixture for disposing on the hearth bottom of an electric arc furnace, use of a hearth mixture for disposing on the hearth bottom of an electric arc furnace, electric arc furnace, method for disposing a hearth mixture on the hearth bottom of an electric arc furnace and use of magnesia spinel used in a lining of a cement rotary kiln24 Sep 2026US 2026/0287256 A1Refractory Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production242US 6,013,591 AMassachusetts Institute of Technology · 2000
- Polycrystalline translucent alumina-based ceramic material, uses, and methods166US 6,878,456 B23M Innovative Properties Company · 2005
- Alumina-zirconia abrasive165US 4,457,767 ANorton Company · 1984
- Fabrication of supported polycrystalline abrasive compacts158US 4,944,772 AGeneral Electric Company · 1990
- Al2O3-Y2O3-ZrO2/HfO2 materials, and methods of making and using the same131US 7,507,268 B23M Innovative Properties Company · 2009