H01M 4/52
Of nickel, cobalt or iron
Official title: of nickel, cobalt or iron
H01M4/52 (Of nickel, cobalt or iron) appears on 7,793 US grants and 14,280 published applications in this corpus.
Search patents in H01M- Granted patents
- 7,793
- Published applications
- 14,280
- Assignees
- 1,793
- Inventors
- 15,928
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 20 | 0 |
| 1995 | 28 | 0 |
| 1996 | 37 | 0 |
| 1997 | 53 | 0 |
| 1998 | 45 | 0 |
| 1999 | 53 | 0 |
| 2000 | 73 | 0 |
| 2001 | 72 | 45 |
| 2002 | 84 | 134 |
| 2003 | 90 | 157 |
| 2004 | 89 | 180 |
| 2005 | 68 | 186 |
| 2006 | 87 | 214 |
| 2007 | 76 | 203 |
| 2008 | 93 | 178 |
| 2009 | 109 | 220 |
| 2010 | 155 | 239 |
| 2011 | 157 | 305 |
| 2012 | 140 | 349 |
| 2013 | 187 | 373 |
| 2014 | 231 | 433 |
| 2015 | 289 | 554 |
| 2016 | 313 | 547 |
| 2017 | 408 | 650 |
| 2018 | 409 | 595 |
| 2019 | 509 | 650 |
| 2020 | 552 | 805 |
| 2021 | 460 | 803 |
| 2022 | 503 | 1058 |
| 2023 | 492 | 1306 |
| 2024 | 660 | 1402 |
| 2025 | 681 | 1440 |
| 2026 | 477 | 1254 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Positive electrode for secondary battery and secondary battery including the same6 Oct 2026US 12,755,962 B2LG Energy Solution, Ltd.
- Secondary battery6 Oct 2026US 12,755,963 B2Murata Manufacturing Co., Ltd.
- Composite cathode active material, cathode and lithium battery employing same, and method for manufacturing same6 Oct 2026US 12,755,967 B2Samsung SDI.Co., Ltd.
- Electrolyte, electrochemical device containing same, and electronic device6 Oct 2026US 12,756,011 B2Ningde Amperex Technology Limited
- Nonaqueous electrolytic solution and nonaqueous electrolytic solution battery6 Oct 2026US 12,756,012 B2Central Glass Company, Limited
- Method for manufacturing positive electrode active material precursor8 Oct 2026US 2026/0308011 A1Kemco
- Metal hydroxide particles and positive electrode active material8 Oct 2026US 2026/0308012 A1Toyota Jidosha Kabushiki Kaisha
- Oxide Films and Solid-State Lithium-Based Batteries Containing the Same Using Wet Annealing8 Oct 2026US 2026/0311995 A1Ensurge Micropower ASA
- Method for manufacturing positive electrode for all-solid-state battery, and positive electrode for all-solid-state battery manufactured using the same8 Oct 2026US 2026/0312004 A1Samsung SDI.Co., Ltd.
- Lithium-ion battery8 Oct 2026US 2026/0312006 A1Zhuhai Cosmx Battery Co., Ltd.
Most cited
By later US patents
- Medical device having lithium-ion battery424US 7,337,010 B2Medtronic, Inc. · 2008
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Cathode materials for secondary (rechargeable) lithium batteries223US 6,514,640 B1Board of Regents, The University of Texas System · 2003
- Nonaqueous secondary battery containing silicic material217US 6,235,427 B1Fuji Photo Film Co., Ltd. · 2001
- Lithium metal oxide electrodes for lithium cells and batteries208US 6,680,143 B2The University of Chicago · 2004