C04B 2237/345
Refractory metal oxides
C04B2237/345 (Refractory metal oxides) appears on 1,116 US grants and 1,133 published applications in this corpus.
Search patents in C04B- Granted patents
- 1,116
- Published applications
- 1,133
- Assignees
- 468
- Inventors
- 2,786
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 13 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 25 | 0 |
| 1992 | 22 | 0 |
| 1993 | 10 | 0 |
| 1994 | 16 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 19 | 0 |
| 1998 | 16 | 0 |
| 1999 | 22 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 6 |
| 2002 | 20 | 41 |
| 2003 | 33 | 38 |
| 2004 | 32 | 39 |
| 2005 | 24 | 41 |
| 2006 | 29 | 48 |
| 2007 | 31 | 29 |
| 2008 | 25 | 27 |
| 2009 | 20 | 36 |
| 2010 | 20 | 41 |
| 2011 | 24 | 26 |
| 2012 | 19 | 40 |
| 2013 | 24 | 52 |
| 2014 | 30 | 40 |
| 2015 | 44 | 42 |
| 2016 | 36 | 53 |
| 2017 | 44 | 68 |
| 2018 | 34 | 33 |
| 2019 | 37 | 58 |
| 2020 | 48 | 68 |
| 2021 | 35 | 61 |
| 2022 | 27 | 63 |
| 2023 | 58 | 61 |
| 2024 | 66 | 48 |
| 2025 | 55 | 50 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Zirconia composition, partially sintered material and sintered material and methods for production thereof, and laminate25 Aug 2026US 12,714,651 B2Kuraray Noritake Dental Inc.
- Multilayer ceramic capacitor and method of manufacturing the same23 Jun 2026US 12,665,132 B2Samsung Electro-Mechanics Co., Ltd.
- Bonded body, ceramic-copper circuit board, and semiconductor device26 May 2026US 12,642,091 B2Niterra Materials Co., Ltd.
- Ceramic cutter material with a piezoelectric effect and preparation method thereof, and cutting tool19 May 2026US 12,635,418 B2Shandong University
- Functionally graded firing setters and process for manufacturing these setters12 May 2026US 12,623,968 B2
- 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.
- Multilayer ceramic electronic device24 Sep 2026US 2026/0285764 A1TDK Corporation
- Apparatus and method for manufacturing a dental milling block with a graduated color and/or translucency profile27 Aug 2026US 2026/0248599 A1The Argen Corporation
- Improved aluminum-containing nitride ceramic matrix composite, method of making, and method of use20 Aug 2026US 2026/0242660 A1SLT Technologies, Inc.
Most cited
By later US patents
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Integrated multilayered microfludic devices and methods for making the same242US 6,572,830 B1Motorola, Inc. · 2003
- Multilayered microfluidic DNA analysis system and method238US 6,544,734 B12003
- Multilayered ferroelectric composite waveguides216US 5,830,591 A1998
- Integrated ceramic micro-chemical plant201US 5,993,750 AEastman Kodak Company · 1999