C04B 35/44
Based on aluminates
Official title: based on aluminates
C04B35/44 (Based on aluminates) appears on 820 US grants and 947 published applications in this corpus.
Search patents in C04B- Granted patents
- 820
- Published applications
- 947
- Assignees
- 450
- Inventors
- 2,020
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 5 |
| 2002 | 9 | 13 |
| 2003 | 12 | 37 |
| 2004 | 16 | 44 |
| 2005 | 15 | 35 |
| 2006 | 25 | 33 |
| 2007 | 23 | 37 |
| 2008 | 11 | 37 |
| 2009 | 36 | 48 |
| 2010 | 37 | 54 |
| 2011 | 31 | 37 |
| 2012 | 46 | 41 |
| 2013 | 35 | 41 |
| 2014 | 30 | 45 |
| 2015 | 37 | 43 |
| 2016 | 32 | 24 |
| 2017 | 25 | 29 |
| 2018 | 25 | 43 |
| 2019 | 32 | 45 |
| 2020 | 26 | 42 |
| 2021 | 21 | 41 |
| 2022 | 39 | 36 |
| 2023 | 27 | 37 |
| 2024 | 28 | 43 |
| 2025 | 31 | 33 |
| 2026 | 19 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Paramagnetic garnet-based transparent ceramic and method for producing same6 Oct 2026US 12,755,877 B2Shin-Etsu Chemical Co., Ltd.
- Plasma-resistant ceramic substrate and method of manufacturing the same8 Sep 2026US 12,729,163 B2Korea Institute of Ceramic Engineering and Technology
- Batch for the production of a coarse ceramic refractory basic product, such product and method for its production, lining of an industrial furnace and industrial furnace25 Aug 2026US 12,715,815 B2Refratechnik Holding GmbH
- Ceramic article, semiconductor apparatus for manufacturing a semiconductor structure and method of manufacturing a ceramic article25 Aug 2026US 12,715,816 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Plasma resistant yttrium aluminum oxide body4 Aug 2026US 12,698,240 B2Heraeus Covantics North America LLC
- Manufacturing line, process, and sintered article20 Aug 2026US 2026/0243510 A1Corning Incorporated
- Ceramic complex, light emitting device, and method for producing ceramic complex13 Aug 2026US 2026/0234470 A1Nichia Corporation
- Refractory material, method for producing same, and use thereof23 Jul 2026US 2026/0209125 A1
- Dvc for a smelting furnace lining16 Jul 2026US 2026/0200800 A1
- Methods of forming a temperature-stable, low-dielectric constant material with an ultra-low loss tangent16 Jul 2026US 2026/0200802 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Ceramic materials resistant to halogen plasma and components using the same452US 6,447,937 B1KYOCERA Corporation · 2002
- Ceramic material resistant to halogen plasma and member utilizing the same392US 6,916,559 B2KYOCERA Corporation · 2005
- Long persistent phosphors and persistent energy transfer technique225US 6,953,536 B2University of Georgia Research Foundation, Inc. · 2005
- Making spinel and aluminum-base metal cermet188US 3,973,977 ACorning Glass Works · 1976
- Tunable dielectric compositions including low loss glass184US 6,905,989 B2Paratek Microwave, Inc. · 2005