- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/42 - AC power supplies
Patent holdings for IPC class G01R 31/42
Total number of patents in this class: 592
10-year publication summary
|
56
|
57
|
50
|
54
|
25
|
51
|
21
|
28
|
30
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMA Solar Technology AG | 906 |
17 |
| Rockwell Automation Technologies, Inc. | 2805 |
16 |
| Siemens AG | 24020 |
15 |
| ABB Schweiz AG | 7621 |
14 |
| Mitsubishi Electric Corporation | 48048 |
12 |
| Eaton Intelligent Power Limited | 6257 |
12 |
| Fuji Electric Co., Ltd. | 5488 |
10 |
| Robert Bosch GmbH | 44176 |
9 |
| TMEIC Corporation | 911 |
9 |
| Denso Corporation | 25579 |
8 |
| Lsis Co., Ltd. | 814 |
8 |
| Tatsumi Ryoki Co., Ltd | 104 |
8 |
| Toyota Motor Corporation | 35813 |
7 |
| Texas Instruments Incorporated | 19653 |
7 |
| Hyundai Motor Company | 24703 |
7 |
| Fronius International GmbH | 689 |
7 |
| Grid20/20, Inc. | 32 |
7 |
| Infineon Technologies Austria AG | 2338 |
6 |
| Deere & Company | 8118 |
5 |
| Infineon Technologies AG | 8402 |
5 |
| Other owners | 403 |