C01P 2002/54
One element only
Official title: one element only
C01P2002/54 (One element only) appears on 1,656 US grants and 2,281 published applications in this corpus.
Search patents in C01P- Granted patents
- 1,656
- Published applications
- 2,281
- Assignees
- 991
- Inventors
- 5,646
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 25 | 0 |
| 1998 | 39 | 0 |
| 1999 | 33 | 0 |
| 2000 | 26 | 0 |
| 2001 | 33 | 8 |
| 2002 | 33 | 57 |
| 2003 | 39 | 61 |
| 2004 | 41 | 48 |
| 2005 | 23 | 56 |
| 2006 | 33 | 32 |
| 2007 | 28 | 35 |
| 2008 | 20 | 49 |
| 2009 | 30 | 61 |
| 2010 | 42 | 63 |
| 2011 | 45 | 49 |
| 2012 | 39 | 84 |
| 2013 | 46 | 73 |
| 2014 | 46 | 47 |
| 2015 | 68 | 54 |
| 2016 | 42 | 59 |
| 2017 | 41 | 44 |
| 2018 | 41 | 83 |
| 2019 | 49 | 108 |
| 2020 | 89 | 151 |
| 2021 | 74 | 151 |
| 2022 | 98 | 180 |
| 2023 | 92 | 193 |
| 2024 | 109 | 187 |
| 2025 | 118 | 184 |
| 2026 | 86 | 164 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multifferoic R-type hexaferrite, a composite and an article comprising the R-type hexaferrite, and a method of making the same22 Sep 2026US 12,744,140 B2Rogers Corporation
- Heteroelement-containing vanadium sulfide15 Sep 2026US 12,738,492 B2National Institute of Advanced Industrial Science and Technology
- Heteroelement-doped highly graphitic porous carbon body, a catalyst including the same, and a method for producing the same15 Sep 2026US 12,738,508 B2Daegu Gyeongbuk Institute of Science and Technology
- Alloy formation method for a solid-state battery and the solid-state battery thereof15 Sep 2026US 12,738,534 B2National Taiwan University of Science and Technology
- Doped rare earth-containing materials and their properties8 Sep 2026US 12,729,130 B2Unearthly Materials, Inc.
- Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and battery module, battery pack, and apparatus related thereto8 Oct 2026US 2026/0308014 A1Contemporary Amperex Technology (Hong Kong) Limited
- Cathode active material and its use in rechargeable electrochemical cells8 Oct 2026US 2026/0312033 A1BASF SE
- Ultrawide bandgap semiconductor with p-type conductivity and methods of making and use thereof8 Oct 2026US 2026/0313997 A1Ohio State Innovation Foundation
- Titanium oxide particles, resin composition, and method for producing titanium oxide particles1 Oct 2026US 2026/0296910 A1DIC Corporation
- Titanium oxide particles, resin composition for electronic materials, molded article, component for electronic devices, and method for producing titanium oxide particles1 Oct 2026US 2026/0297293 A1DIC Corporation
Most cited
By later US patents
- Nanostructured fillers and carriers316US 6,228,904 B1Nanomaterials Research Corporation · 2001
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Lithiated nickel dioxide and secondary cells prepared therefrom174US 5,264,201 AHer Majesty the Queen in right of the Province of British Columbia · 1993