Patent Theme
Lithium Battery Anode Materials
Active anode materials and manufacturing techniques for rechargeable lithium-ion batteries, including silicon-carbon composites, graphite, lithium-metal anodes, and electrode coating processes that improve capacity, cycle life, and rate capability.
8,805 US filings from 1,385 companies since 2023 · 2023: 1,862 · 2024: 2,673 · 2025: 2,847 · 2026 YTD: 1,423
Non-metallic Inorganic CompoundsBatteries & Fuel Cells
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Samsung SDI Co., Ltd. | 915 | 102 | 202 | 380 | 231 | +88.1% |
| 2 | LG Energy Solution, Ltd. | 791 | 142 | 271 | 252 | 126 | -7.0% |
| 3 | SK On Co., Ltd. | 476 | 75 | 163 | 132 | 106 | -19.0% |
| 4 | TOYOTA JIDOSHA KABUSHIKI KAISHA | 352 | 66 | 114 | 118 | 54 | +3.5% |
| 5 | Panasonic Intellectual Property Management Co., Ltd. | 298 | 72 | 114 | 82 | 30 | -28.1% |
| 6 | GM GLOBAL TECHNOLOGY OPERATIONS LLC | 208 | 53 | 59 | 73 | 23 | +23.7% |
| 7 | Contemporary Amperex Technology Co., Limited | 205 | 62 | 81 | 29 | 33 | -64.2% |
| 8 | Semiconductor Energy Laboratory Co., Ltd. | 168 | 55 | 46 | 54 | 13 | +17.4% |
| 9 | Ningde Amperex Technology Limited | 150 | 29 | 39 | 57 | 25 | +46.2% |
| 10 | Hyundai Motor Company | 148 | 29 | 36 | 60 | 23 | +66.7% |
| 11 | Enevate Corporation | 146 | 56 | 48 | 28 | 14 | -41.7% |
| 12 | Kia Corporation | 141 | 25 | 34 | 59 | 23 | +73.5% |
| 13 | CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED | 136 | · | 4 | 112 | 20 | +2700.0% |
| 14 | LG Chem, Ltd. | 120 | 43 | 40 | 26 | 11 | -35.0% |
| 15 | SK INNOVATION CO., LTD. | 114 | 27 | 32 | 33 | 22 | +3.1% |
| 16 | Prime Planet Energy & Solutions, Inc. | 105 | 22 | 39 | 28 | 16 | -28.2% |
| 17 | SUMITOMO METAL MINING CO., LTD. | 103 | 22 | 28 | 31 | 22 | +10.7% |
| 18 | ECOPRO BM CO., LTD. | 99 | 25 | 21 | 33 | 20 | +57.1% |
| 19 | BTR NEW MATERIAL GROUP CO., LTD. | 97 | 8 | 17 | 58 | 14 | +241.2% |
| 20 | SAMSUNG ELECTRONICS CO., LTD. | 93 | 30 | 30 | 24 | 9 | -20.0% |
| 21 | ZHUHAI COSMX BATTERY CO., LTD. | 79 | 15 | 12 | 32 | 20 | +166.7% |
| 22 | UCHICAGO ARGONNE, LLC | 60 | 22 | 19 | 12 | 7 | -36.8% |
| 23 | Umicore | 58 | 11 | 20 | 16 | 11 | -20.0% |
| 24 | BASF SE | 57 | 14 | 14 | 18 | 11 | +28.6% |
| 25 | Honeycomb Battery Company | 57 | · | 23 | 22 | 12 | -4.3% |