- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 9/04 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Patent holdings for IPC class H02H 9/04
Total number of patents in this class: 3331
10-year publication summary
|
305
|
276
|
297
|
319
|
291
|
237
|
283
|
233
|
232
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40493 |
121 |
| Texas Instruments Incorporated | 19403 |
93 |
| Infineon Technologies AG | 8128 |
58 |
| Samsung Electronics Co., Ltd. | 138320 |
54 |
| Qualcomm Incorporated | 81327 |
49 |
| Murata Manufacturing Co., Ltd. | 23609 |
45 |
| Siemens AG | 24575 |
40 |
| NPX B.V. | 2360 |
37 |
| Huawei Technologies Co., Ltd. | 106382 |
36 |
| Semiconductor Components Industries, L.L.C. | 5241 |
34 |
| Analog Devices International Unlimited Company | 1819 |
34 |
| NXP USA, Inc. | 4214 |
33 |
| Changxin Memory Technologies, Inc. | 4912 |
32 |
| Rohm Co., Ltd. | 6281 |
29 |
| Phoenix Contact GmbH & Co. KG | 2248 |
29 |
| Analog Devices, Inc. | 3432 |
28 |
| Eaton Intelligent Power Limited | 6291 |
28 |
| Robert Bosch GmbH | 41695 |
27 |
| International Business Machines Corporation | 60067 |
25 |
| Hamilton Sundstrand Corporation | 4712 |
25 |
| Other owners | 2474 |