Patent Theme
Energy Storage & Conversion Materials
Chemical compounds developed for applications in energy storage devices, such as rechargeable lithium batteries, often functioning as electrolyte additives to improve performance, safety, or lifespan.
9,870 US filings from 1,584 companies since 2023 · 2023: 2,162 · 2024: 3,034 · 2025: 3,177 · 2026 YTD: 1,497
Acyclic / Cyclic Compounds (Other Elements)
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | LG Energy Solution, Ltd. | 954 | 187 | 298 | 326 | 143 | +9.4% |
| 2 | Samsung SDI Co., Ltd. | 825 | 102 | 143 | 366 | 214 | +155.9% |
| 3 | Ningde Amperex Technology Limited | 417 | 58 | 149 | 147 | 63 | -1.3% |
| 4 | Contemporary Amperex Technology Co., Limited | 362 | 100 | 159 | 44 | 59 | -72.3% |
| 5 | Panasonic Intellectual Property Management Co., Ltd. | 306 | 76 | 88 | 99 | 43 | +12.5% |
| 6 | SK On Co., Ltd. | 284 | 55 | 82 | 80 | 67 | -2.4% |
| 7 | CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED | 250 | · | 19 | 197 | 34 | +936.8% |
| 8 | GM GLOBAL TECHNOLOGY OPERATIONS LLC | 217 | 63 | 72 | 55 | 27 | -23.6% |
| 9 | TOYOTA JIDOSHA KABUSHIKI KAISHA | 182 | 43 | 67 | 39 | 33 | -41.8% |
| 10 | GS Yuasa International Ltd. | 177 | 43 | 53 | 58 | 23 | +9.4% |
| 11 | Murata Manufacturing Co., Ltd. | 171 | 39 | 57 | 59 | 16 | +3.5% |
| 12 | Semiconductor Energy Laboratory Co., Ltd. | 160 | 51 | 51 | 50 | 8 | -2.0% |
| 13 | Prime Planet Energy & Solutions, Inc. | 119 | 17 | 47 | 37 | 18 | -21.3% |
| 14 | Hyundai Motor Company | 111 | 21 | 29 | 32 | 29 | +10.3% |
| 15 | Kia Corporation | 108 | 19 | 29 | 31 | 29 | +6.9% |
| 16 | LG Chem, Ltd. | 84 | 33 | 23 | 21 | 7 | -8.7% |
| 17 | The Regents of the University of California | 84 | 13 | 19 | 35 | 17 | +84.2% |
| 18 | SK INNOVATION CO., LTD. | 79 | 13 | 19 | 29 | 18 | +52.6% |
| 19 | Enevate Corporation | 78 | 29 | 26 | 16 | 7 | -38.5% |
| 20 | ZHUHAI COSMX BATTERY CO., LTD. | 67 | 7 | 19 | 26 | 15 | +36.8% |
| 21 | KABUSHIKI KAISHA TOSHIBA | 65 | 20 | 26 | 17 | 2 | -34.6% |
| 22 | Panasonic Energy Co., Ltd. | 65 | 4 | 28 | 26 | 7 | -7.1% |
| 23 | Enovix Corporation | 63 | 13 | 19 | 27 | 4 | +42.1% |
| 24 | HONDA MOTOR CO., LTD. | 63 | 17 | 22 | 18 | 6 | -18.2% |
| 25 | ZEON CORPORATION | 61 | 18 | 23 | 15 | 5 | -34.8% |