Patent Theme
Solid-State Battery Manufacturing
Process and equipment for producing solid-state battery cells, including solid electrolyte synthesis (sulfide/oxide/polymer), thin-film deposition, lamination, sintering, dry-electrode fabrication, and stacking under controlled atmosphere.
11,836 US filings from 1,894 companies since 2023 · 2023: 2,455 · 2024: 3,556 · 2025: 3,878 · 2026 YTD: 1,947
Batteries & 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 | LG Energy Solution, Ltd. | 1,115 | 247 | 320 | 351 | 197 | +9.7% |
| 2 | TOYOTA JIDOSHA KABUSHIKI KAISHA | 735 | 146 | 249 | 239 | 101 | -4.0% |
| 3 | Samsung SDI Co., Ltd. | 544 | 28 | 73 | 222 | 221 | +204.1% |
| 4 | Contemporary Amperex Technology Co., Limited | 523 | 125 | 243 | 75 | 80 | -69.1% |
| 5 | SK On Co., Ltd. | 381 | 52 | 102 | 112 | 115 | +9.8% |
| 6 | Hyundai Motor Company | 350 | 83 | 104 | 103 | 60 | -1.0% |
| 7 | GM GLOBAL TECHNOLOGY OPERATIONS LLC | 329 | 41 | 86 | 152 | 50 | +76.7% |
| 8 | Kia Corporation | 328 | 68 | 100 | 100 | 60 | 0.0% |
| 9 | Prime Planet Energy & Solutions, Inc. | 294 | 47 | 104 | 88 | 55 | -15.4% |
| 10 | CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED | 291 | · | 19 | 229 | 43 | +1105.3% |
| 11 | Panasonic Intellectual Property Management Co., Ltd. | 285 | 69 | 114 | 59 | 43 | -48.2% |
| 12 | HONDA MOTOR CO., LTD. | 244 | 49 | 77 | 95 | 23 | +23.4% |
| 13 | SAMSUNG ELECTRONICS CO., LTD. | 136 | 38 | 42 | 45 | 11 | +7.1% |
| 14 | Murata Manufacturing Co., Ltd. | 130 | 28 | 40 | 47 | 15 | +17.5% |
| 15 | Robert Bosch GmbH | 100 | 30 | 28 | 27 | 15 | -3.6% |
| 16 | Semiconductor Energy Laboratory Co., Ltd. | 99 | 26 | 35 | 28 | 10 | -20.0% |
| 17 | Bloom Energy Corporation | 82 | 15 | 28 | 27 | 12 | -3.6% |
| 18 | FUJIFILM CORPORATION | 81 | 23 | 19 | 29 | 10 | +52.6% |
| 19 | Ford Global Technologies, LLC | 80 | 9 | 16 | 38 | 17 | +137.5% |
| 20 | Ningde Amperex Technology Limited | 79 | 21 | 23 | 26 | 9 | +13.0% |
| 21 | Bayerische Motoren Werke Aktiengesellschaft | 75 | 16 | 32 | 20 | 7 | -37.5% |
| 22 | AUDI AG | 72 | 31 | 14 | 18 | 9 | +28.6% |
| 23 | Idemitsu Kosan Co., Ltd. | 70 | 15 | 20 | 24 | 11 | +20.0% |
| 24 | PANASONIC HOLDINGS CORPORATION | 69 | 13 | 29 | 18 | 9 | -37.9% |
| 25 | The Regents of the University of California | 68 | 10 | 15 | 32 | 11 | +113.3% |