C30B 29/22
Complex oxides
C30B29/22 (Complex oxides) appears on 1,343 US grants and 1,091 published applications in this corpus.
Search patents in C30B- Granted patents
- 1,343
- Published applications
- 1,091
- Assignees
- 664
- Inventors
- 3,032
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 13 | 0 |
| 1981 | 18 | 0 |
| 1982 | 12 | 0 |
| 1983 | 11 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 13 | 0 |
| 1987 | 11 | 0 |
| 1988 | 16 | 0 |
| 1989 | 11 | 0 |
| 1990 | 25 | 0 |
| 1991 | 30 | 0 |
| 1992 | 22 | 0 |
| 1993 | 24 | 0 |
| 1994 | 36 | 0 |
| 1995 | 27 | 0 |
| 1996 | 28 | 0 |
| 1997 | 27 | 0 |
| 1998 | 33 | 0 |
| 1999 | 37 | 0 |
| 2000 | 51 | 0 |
| 2001 | 32 | 18 |
| 2002 | 29 | 38 |
| 2003 | 40 | 45 |
| 2004 | 34 | 56 |
| 2005 | 26 | 40 |
| 2006 | 26 | 48 |
| 2007 | 23 | 35 |
| 2008 | 29 | 34 |
| 2009 | 28 | 34 |
| 2010 | 23 | 19 |
| 2011 | 24 | 26 |
| 2012 | 21 | 24 |
| 2013 | 24 | 49 |
| 2014 | 26 | 34 |
| 2015 | 33 | 39 |
| 2016 | 33 | 55 |
| 2017 | 30 | 49 |
| 2018 | 42 | 50 |
| 2019 | 46 | 46 |
| 2020 | 41 | 47 |
| 2021 | 34 | 50 |
| 2022 | 50 | 44 |
| 2023 | 41 | 53 |
| 2024 | 42 | 59 |
| 2025 | 38 | 58 |
| 2026 | 31 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C30B 29/30Niobates282
- C30B 29/32Titanates249
- C30B 29/225Based on rare earth copper oxides221
- C30B 29/28With formula a3me5o12 wherein a is a rare earth metal and me206
- C30B 29/26With formula bme2o4, wherein b is mg, ni, co, al, zn, or59
- C30B 29/24With formula ameo3, wherein a is a rare earth metal and me48
Recent patents
- Hierarchical inverted/normal cobalt ferrite nano-chessboard6 Oct 2026US 12,753,527 B2Morgan State University
- Methods and devices for growing scintillation crystals with multi-component garnet structure22 Sep 2026US 12,742,258 B2Boya Advanced Materials Co., Ltd.
- Bonding optical materials22 Sep 2026US 12,742,998 B2Gamdan Optics, Inc.
- Synthesis of single-crystal nickel-rich cathode materials using flame-assisted spray pyrolysis15 Sep 2026US 12,735,800 B2Massachusetts Institute of Technology
- Ceramic support plate15 Sep 2026US 12,735,804 B2Siemens Medical Solutions USA, Inc.
- Cathode active material8 Oct 2026US 2026/0312026 A1Toyota Jidosha Kabushiki Kaisha
- Cathode active material8 Oct 2026US 2026/0312028 A1Toyota Jidosha Kabushiki Kaisha
- Positive Electrode Active Material, Positive Electrode and Lithium Secondary Battery1 Oct 2026US 2026/0302207 A1LG Chem.Ltd.
- Positive Electrode Active Material, Positive Electrode, and Lithium Secondary Battery1 Oct 2026US 2026/0302212 A1LG Chem.Ltd.
- Devices comprising a thick (alzga1-z)2o3 layer on a (001) ga2o3 substrate using a (alxga1-x)2o3 buffer layer, and methods of making and use thereof1 Oct 2026US 2026/0304878 A1Ohio State Innovation Foundation
Most cited
By later US patents
- Natural-superlattice homologous single crystal thin film, method for preparation thereof, and device using said single crystal thin film4,076US 7,061,014 B2Japan Science and Technology Agency · 2006
- LnCuO(S,Se,Te)monocrystalline thin film, its manufacturing method, and optical device or electronic device using the monocrystalline thin film3,969US 7,323,356 B2Japan Science and Technology Agency · 2008
- Process for producing oriented inorganic crystalline film, and semiconductor device using the oriented inorganic crystalline film658US 8,202,365 B2FUJIFILM Corporation · 2012
- Slicing of single-crystal films using ion implantation291US 6,540,827 B1The Trustees of Columbia University in the City of New York · 2003
- Method of forming single-crystalline thin film281US 5,607,899 ASumitomo Electric Industries, Ltd. · 1997