- 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: 3194
10-year publication summary
|
286
|
305
|
276
|
297
|
319
|
291
|
235
|
279
|
228
|
64
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
110 |
| Texas Instruments Incorporated | 19376 |
90 |
| Infineon Technologies AG | 8189 |
56 |
| Qualcomm Incorporated | 76576 |
43 |
| Siemens AG | 24990 |
43 |
| Murata Manufacturing Co., Ltd. | 22355 |
43 |
| Samsung Electronics Co., Ltd. | 131630 |
41 |
| NPX B.V. | 2204 |
36 |
| Huawei Technologies Co., Ltd. | 100781 |
35 |
| Semiconductor Components Industries, L.L.C. | 5345 |
34 |
| NXP USA, Inc. | 4155 |
33 |
| Changxin Memory Technologies, Inc. | 4732 |
33 |
| Phoenix Contact GmbH & Co. KG | 2202 |
30 |
| Analog Devices, Inc. | 3475 |
28 |
| Eaton Intelligent Power Limited | 6113 |
28 |
| Robert Bosch GmbH | 40953 |
27 |
| Analog Devices International Unlimited Company | 1724 |
26 |
| International Business Machines Corporation | 60644 |
25 |
| Renesas Electronics Corporation | 6305 |
24 |
| Hamilton Sundstrand Corporation | 4525 |
24 |
| Other owners | 2385 |