Patent Theme
Control & Stability for Power Converters
Techniques and circuits designed to regulate output, manage input variations, mitigate resonance, or ensure stable operation of power converters under diverse load and source conditions. This includes adaptive, predictive, or fault-tolerant control schemes.
6,151 US filings from 1,033 companies since 2023 · 2023: 1,518 · 2024: 1,814 · 2025: 1,934 · 2026 YTD: 885
Power Conversion (DC/AC, DC/DC)
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | TEXAS INSTRUMENTS INCORPORATED | 404 | 110 | 125 | 135 | 34 | +8.0% |
| 2 | Mitsubishi Electric Corporation | 140 | 33 | 47 | 43 | 17 | -8.5% |
| 3 | Infineon Technologies Austria AG | 138 | 37 | 39 | 35 | 27 | -10.3% |
| 4 | Huawei Digital Power Technologies Co., Ltd. | 133 | 27 | 40 | 49 | 17 | +22.5% |
| 5 | DELTA ELECTRONICS, INC. | 131 | 33 | 37 | 35 | 26 | -5.4% |
| 6 | Richtek Technology Corporation | 129 | 19 | 36 | 53 | 21 | +47.2% |
| 7 | STMICROELECTRONICS S.r.l. | 104 | 34 | 34 | 34 | 2 | 0.0% |
| 8 | Apple Inc. | 97 | 28 | 32 | 23 | 14 | -28.1% |
| 9 | Chengdu Monolithic Power Systems Co., Ltd. | 95 | 21 | 19 | 44 | 11 | +131.6% |
| 10 | ROHM CO., LTD. | 89 | 20 | 34 | 26 | 9 | -23.5% |
| 11 | STMicroelectronics International N.V. | 80 | 4 | 11 | 44 | 21 | +300.0% |
| 12 | Murata Manufacturing Co., Ltd. | 78 | 10 | 27 | 30 | 11 | +11.1% |
| 13 | pSemi Corporation | 77 | 25 | 32 | 15 | 5 | -53.1% |
| 14 | Delta Electronics (Shanghai) Co., Ltd. | 71 | 20 | 17 | 24 | 10 | +41.2% |
| 15 | ABB Schweiz AG | 70 | 9 | 23 | 25 | 13 | +8.7% |
| 16 | SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC | 69 | 9 | 24 | 24 | 12 | 0.0% |
| 17 | SAMSUNG ELECTRONICS CO., LTD. | 67 | 6 | 17 | 27 | 17 | +58.8% |
| 18 | HAMILTON SUNDSTRAND CORPORATION | 60 | 20 | 15 | 21 | 4 | +40.0% |
| 19 | Infineon Technologies AG | 48 | 22 | 11 | 13 | 2 | +18.2% |
| 20 | SHANGHAI BRIGHT POWER SEMICONDUCTOR CO., LTD. | 47 | 13 | 17 | 14 | 3 | -17.6% |
| 21 | On-Bright Electronics (Shanghai) Co., Ltd. | 46 | 16 | 13 | 16 | 1 | +23.1% |
| 22 | Cypress Semiconductor Corporation | 45 | 10 | 19 | 14 | 2 | -26.3% |
| 23 | NXP USA, INC. | 44 | 10 | 11 | 17 | 6 | +54.5% |
| 24 | Vestas Wind Systems A/S | 43 | 13 | 15 | 14 | 1 | -6.7% |
| 25 | ANPEC ELECTRONICS CORPORATION | 41 | 8 | 7 | 15 | 11 | +114.3% |