H01M 50/409
Separators, membranes or diaphragms characterised by the material
H01M50/409 (Separators, membranes or diaphragms characterised by the material) appears on 5,542 US grants and 8,912 published applications in this corpus.
Search patents in H01M- Granted patents
- 5,542
- Published applications
- 8,912
- Assignees
- 1,671
- Inventors
- 12,650
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 11 | 0 |
| 1978 | 20 | 0 |
| 1979 | 14 | 0 |
| 1980 | 26 | 0 |
| 1981 | 31 | 0 |
| 1982 | 21 | 0 |
| 1983 | 16 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 11 | 0 |
| 1987 | 10 | 0 |
| 1988 | 12 | 0 |
| 1989 | 17 | 0 |
| 1990 | 11 | 0 |
| 1991 | 18 | 0 |
| 1992 | 16 | 0 |
| 1993 | 29 | 0 |
| 1994 | 25 | 0 |
| 1995 | 30 | 0 |
| 1996 | 31 | 0 |
| 1997 | 47 | 0 |
| 1998 | 45 | 0 |
| 1999 | 46 | 0 |
| 2000 | 48 | 0 |
| 2001 | 64 | 38 |
| 2002 | 73 | 98 |
| 2003 | 73 | 122 |
| 2004 | 75 | 81 |
| 2005 | 45 | 102 |
| 2006 | 52 | 114 |
| 2007 | 41 | 134 |
| 2008 | 34 | 114 |
| 2009 | 34 | 148 |
| 2010 | 95 | 177 |
| 2011 | 95 | 243 |
| 2012 | 118 | 259 |
| 2013 | 131 | 299 |
| 2014 | 148 | 378 |
| 2015 | 200 | 404 |
| 2016 | 219 | 397 |
| 2017 | 294 | 490 |
| 2018 | 331 | 458 |
| 2019 | 373 | 496 |
| 2020 | 416 | 528 |
| 2021 | 323 | 549 |
| 2022 | 341 | 580 |
| 2023 | 315 | 682 |
| 2024 | 401 | 707 |
| 2025 | 410 | 755 |
| 2026 | 268 | 559 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Garnet-type lithium-ion solid-state conductor6 Oct 2026US 12,756,004 B2Samsung Electronics Co., Ltd.
- Laminate for electrochemical device and electrochemical device6 Oct 2026US 12,756,064 B2Zeon Corporation
- Separator for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery6 Oct 2026US 12,756,065 B2Panasonic Energy Co., Ltd.
- Solvent free separators6 Oct 2026US 12,756,066 B2Amtek Research International LLC
- Separator for secondary battery and preparation method therefor, secondary battery, battery module, battery pack, and power consuming device6 Oct 2026US 12,756,067 B2Contemporary Amperex Technology (Hong Kong) Limited
- Cohesively bonded, microporous multilayer films8 Oct 2026US 2026/0307378 A1Amtek Research International LLC
- Electrolyte for a lithium metal battery and a lithium metal battery including the same8 Oct 2026US 2026/0312123 A1Hyundai Motor Company
- Sulphide based lithium-ion mixed halide conducting solid electrolyte and methods for the production thereof8 Oct 2026US 2026/0312127 A1Umicore AG & Co. KG
- Electrode assembly and method for manufacturing same8 Oct 2026US 2026/0312139 A1LG Energy Solution, Ltd.
- Battery cell and battery8 Oct 2026US 2026/0312150 A1Zhuhai Cosmx Battery Co., Ltd.
Most cited
By later US patents
- Ionic semiconductor materials and applications thereof795US 5,055,171 AT and G Corporation · 1991
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Stabilized anode for lithium-polymer batteries392US 5,961,672 AMoltech Corporation · 1999
- Protective lithium ion conducting ceramic coating for lithium metal anodes and associate method376US 5,314,765 AMartin Marietta Energy Systems, Inc. · 1994
- Stabilized anode for lithium-polymer batteries363US 5,648,187 AMoltech Corporation · 1997