H01M 4/502
For non-aqueous cells
Official title: {for non-aqueous cells (H01M4/505 takes precedence)}
H01M4/502 (For non-aqueous cells) appears on 250 US grants and 314 published applications in this corpus.
Search patents in H01M- Granted patents
- 250
- Published applications
- 314
- Assignees
- 171
- Inventors
- 725
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 3 |
| 2003 | 1 | 6 |
| 2004 | 5 | 4 |
| 2005 | 1 | 4 |
| 2006 | 3 | 6 |
| 2007 | 3 | 7 |
| 2008 | 2 | 6 |
| 2009 | 2 | 5 |
| 2010 | 2 | 4 |
| 2011 | 3 | 9 |
| 2012 | 1 | 5 |
| 2013 | 3 | 15 |
| 2014 | 9 | 16 |
| 2015 | 13 | 28 |
| 2016 | 16 | 21 |
| 2017 | 15 | 23 |
| 2018 | 21 | 34 |
| 2019 | 21 | 22 |
| 2020 | 24 | 26 |
| 2021 | 17 | 18 |
| 2022 | 12 | 9 |
| 2023 | 14 | 12 |
| 2024 | 11 | 12 |
| 2025 | 7 | 8 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Secondary battery16 Jun 2026US 12,658,474 B2Shenzhen Capchem Technology Co., Ltd.
- Charged-state lithium-ion batteries constructed using lithium-free binary Fe/Mn-based cathode materials9 Jun 2026US 12,651,740 B2Wayne State University
- Slurry for secondary batteries, positive electrode for secondary batteries, and secondary battery21 Oct 2025US 12,451,482 B2Panasonic Intellectual Property Management Co., Ltd.
- Laminate-type power storage element23 Sep 2025US 12,424,685 B2Fdk Corporation
- Positive electrode active material, high-temperature operation type lithium-ion polymer secondary battery, high-temperature operation type lithium ion inorganic all-solid-state secondary battery19 Aug 2025US 12,394,794 B2Sumitomo Metal Mining Co., Ltd.
- Coin-shaped lithium primary battery8 Oct 2026US 2026/0312022 A1Panasonic Intellectual Property Management Co., Ltd.
- Charged-state lithium-ion batteries constructed using lithium-free binary fe/mn-based cathode materials10 Sep 2026US 2026/0269220 A1Wayne State University
- Lithium primary battery6 Aug 2026US 2026/0229488 A1Panasonic Intellectual Property Management Co., Ltd.
- Anode for lithium secondary battery and lithium secondary battery including the same11 Jun 2026US 2026/0162994 A1SK On Co., Ltd.
- Nonaqueous electrolytic solution for power storage device, and power storage device14 May 2026US 2026/0135123 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- MnO.sub.2 derived from LiMn.sub.2 O.sub.4106US 4,246,253 AUnion Carbide Corporation · 1981
- Ionic gel electrolyte, energy storage devices, and methods of manufacture thereof72US 9,076,589 B2Imprint Energy, Inc. · 2015
- MnO.sub.2 Derived from LiMn.sub.2 O.sub.463US 4,312,930 AUnion Carbide Corporation · 1982
- Process for producing manganese dioxide62US 5,277,890 ADuracell Inc. · 1994
- Alkali metal or alkaline earth metal compound additive for manganese dioxide-containing nonaqueous cells59US 4,465,747 AUnion Carbide Corporation · 1984