- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 3/20 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess voltage
Patent holdings for IPC class H02H 3/20
Total number of patents in this class: 1441
10-year publication summary
|
111
|
124
|
111
|
94
|
73
|
71
|
85
|
68
|
57
|
59
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 6916 |
29 |
| Texas Instruments Incorporated | 19622 |
28 |
| Semiconductor Components Industries, L.L.C. | 5260 |
25 |
| Infineon Technologies AG | 8429 |
20 |
| Hubbell Incorporated | 3462 |
19 |
| Samsung Electronics Co., Ltd. | 159298 |
17 |
| Robert Bosch GmbH | 44363 |
15 |
| Cilag GmbH International | 6381 |
15 |
| Eaton Intelligent Power Limited | 6291 |
15 |
| Hitachi Energy Ltd. | 2662 |
14 |
| Denso Corporation | 25799 |
11 |
| Mitsubishi Electric Corporation | 48409 |
11 |
| Hamilton Sundstrand Corporation | 5013 |
11 |
| Phoenix Contact GmbH & Co. KG | 2298 |
11 |
| Apple Inc. | 59354 |
10 |
| Siemens AG | 23913 |
10 |
| ABB Schweiz AG | 7755 |
10 |
| Renesas Electronics Corporation | 5859 |
9 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49027 |
9 |
| Analog Devices, Inc. | 3316 |
9 |
| Other owners | 1143 |