C01G 33/00
Compounds of niobium
C01G33/00 (Compounds of niobium) appears on 601 US grants and 729 published applications in this corpus.
Search patents in C01G- Granted patents
- 601
- Published applications
- 729
- Assignees
- 357
- Inventors
- 1,642
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 4 |
| 2002 | 11 | 13 |
| 2003 | 17 | 24 |
| 2004 | 11 | 22 |
| 2005 | 9 | 23 |
| 2006 | 21 | 21 |
| 2007 | 16 | 20 |
| 2008 | 12 | 21 |
| 2009 | 18 | 19 |
| 2010 | 16 | 26 |
| 2011 | 13 | 20 |
| 2012 | 21 | 26 |
| 2013 | 9 | 25 |
| 2014 | 18 | 17 |
| 2015 | 22 | 30 |
| 2016 | 23 | 33 |
| 2017 | 22 | 33 |
| 2018 | 17 | 32 |
| 2019 | 33 | 36 |
| 2020 | 31 | 40 |
| 2021 | 27 | 39 |
| 2022 | 33 | 47 |
| 2023 | 23 | 50 |
| 2024 | 30 | 46 |
| 2025 | 32 | 38 |
| 2026 | 22 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lithium-containing chloride and method for producing same, solid electrolyte, and battery6 Oct 2026US 12,753,086 B2Kyoto University
- Nanoparticles, dispersion of nanoparticles, and production method of nanoparticles6 Oct 2026US 12,753,087 B2Tokyo Ohka Kogyo.Co., Ltd.
- Niobium oxide particles and method for producing niobium oxide particles15 Sep 2026US 12,735,328 B2DIC Corporation
- Powder including niobium complex and lithium and production method thereof, and production method of lithium secondary battery positive electrode active material having coated layer containing lithium niobate4 Aug 2026US 12,698,213 B2Dowa Electronics Materials Co., Ltd.
- Dielectric material, device including the same, and method of preparing the dielectric material14 Jul 2026US 12,683,075 B2Samsung Electronics Co., Ltd.
- Niobic Acid Aqueous Solution1 Oct 2026US 2026/0296911 A1Mitsui Kinzoku Company, Limited
- Titanium niobium oxide and molybdenum oxide multicomponent electrodes for thick all active material lithium ion electrodes1 Oct 2026US 2026/0302200 A1University of Virginia Patent Foundation
- Infrared ray absorbing particles, infrared ray absorbing particle dispersion liquid, infrared ray absorbing particle dispersion product, infrared ray absorbing laminate10 Sep 2026US 2026/0265077 A1Sumitomo Metal Mining Co., Ltd.
- Positive electrode active material for secondary battery and secondary battery comprising same10 Sep 2026US 2026/0269267 A1SK On Co., Ltd.
- Ion conductor, secondary battery, and manufacturing method of ion conductor3 Sep 2026US 2026/0257934 A1Denso Corporation
Most cited
By later US patents
- Electrolytic capacitor anode of valve metal oxide148US 6,322,912 B1Cabot Corporation · 2001
- Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides131US 6,391,275 B1Cabot Corporation · 2002
- Chemically stable solid lithium ion conductor122US 7,901,658 B22011
- Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides120US 6,416,730 B1Cabot Corporation · 2002
- Oxygen reduced niobium oxides114US 6,576,099 B2Cabot Corporation · 2003