- 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: 1396
10-year publication summary
|
124
|
109
|
121
|
109
|
92
|
70
|
70
|
78
|
68
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19443 |
28 |
| Rohm Co., Ltd. | 6471 |
27 |
| Semiconductor Components Industries, L.L.C. | 5255 |
27 |
| Infineon Technologies AG | 8224 |
19 |
| Hubbell Incorporated | 3283 |
18 |
| Samsung Electronics Co., Ltd. | 146811 |
17 |
| Cilag GmbH International | 6264 |
14 |
| Eaton Intelligent Power Limited | 5992 |
13 |
| Hitachi Energy Ltd. | 2235 |
13 |
| Robert Bosch GmbH | 42705 |
12 |
| Mitsubishi Electric Corporation | 46197 |
11 |
| Hamilton Sundstrand Corporation | 4891 |
11 |
| Electronic Systems Protection, Inc. | 40 |
11 |
| Apple Inc. | 55174 |
10 |
| Denso Corporation | 24355 |
10 |
| Phoenix Contact GmbH & Co. KG | 2290 |
10 |
| Siemens AG | 24453 |
9 |
| Renesas Electronics Corporation | 6006 |
9 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42945 |
9 |
| Analog Devices, Inc. | 3383 |
9 |
| Other owners | 1109 |