Patent Theme
Inverter and Drive Circuit Control
Methods and circuits for controlling the power electronic converters (inverters, bridges) that supply current and voltage to electric motors, including switching strategies, voltage command generation, and multi-phase configurations.
10,669 US filings from 1,609 companies since 2023 · 2023: 2,662 · 2024: 3,263 · 2025: 3,336 · 2026 YTD: 1,408
Motor Control
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | Mitsubishi Electric Corporation | 442 | 108 | 170 | 121 | 43 | -28.8% |
| 2 | TEXAS INSTRUMENTS INCORPORATED | 362 | 98 | 104 | 125 | 35 | +20.2% |
| 3 | Huawei Digital Power Technologies Co., Ltd. | 224 | 61 | 62 | 70 | 31 | +12.9% |
| 4 | ROHM CO., LTD. | 205 | 54 | 67 | 63 | 21 | -6.0% |
| 5 | DENSO CORPORATION | 187 | 44 | 61 | 58 | 24 | -4.9% |
| 6 | Infineon Technologies Austria AG | 162 | 33 | 42 | 61 | 26 | +45.2% |
| 7 | Hyundai Motor Company | 151 | 36 | 51 | 42 | 22 | -17.6% |
| 8 | Kia Corporation | 150 | 35 | 50 | 42 | 23 | -16.0% |
| 9 | GM GLOBAL TECHNOLOGY OPERATIONS LLC | 147 | 18 | 43 | 65 | 21 | +51.2% |
| 10 | DELTA ELECTRONICS, INC. | 145 | 29 | 47 | 39 | 30 | -17.0% |
| 11 | TOYOTA JIDOSHA KABUSHIKI KAISHA | 140 | 20 | 33 | 47 | 40 | +42.4% |
| 12 | HITACHI ASTEMO, LTD. | 127 | 26 | 39 | 40 | 22 | +2.6% |
| 13 | Richtek Technology Corporation | 124 | 25 | 40 | 41 | 18 | +2.5% |
| 14 | Robert Bosch GmbH | 117 | 24 | 43 | 32 | 18 | -25.6% |
| 15 | Chengdu Monolithic Power Systems Co., Ltd. | 115 | 25 | 25 | 50 | 15 | +100.0% |
| 16 | STMICROELECTRONICS S.r.l. | 112 | 37 | 40 | 32 | 3 | -20.0% |
| 17 | ABB Schweiz AG | 110 | 28 | 27 | 34 | 21 | +25.9% |
| 18 | FUJI ELECTRIC CO., LTD. | 107 | 25 | 30 | 42 | 10 | +40.0% |
| 19 | HAMILTON SUNDSTRAND CORPORATION | 99 | 29 | 30 | 36 | 4 | +20.0% |
| 20 | Delta Electronics (Shanghai) Co., Ltd. | 95 | 30 | 23 | 30 | 12 | +30.4% |
| 21 | Ford Global Technologies, LLC | 87 | 18 | 30 | 33 | 6 | +10.0% |
| 22 | KABUSHIKI KAISHA TOSHIBA | 84 | 18 | 26 | 26 | 14 | 0.0% |
| 23 | STMicroelectronics International N.V. | 82 | 9 | 12 | 40 | 21 | +233.3% |
| 24 | Murata Manufacturing Co., Ltd. | 81 | 15 | 29 | 27 | 10 | -6.9% |
| 25 | SAMSUNG ELECTRONICS CO., LTD. | 74 | 15 | 19 | 27 | 13 | +42.1% |