- 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: 3056
10-year publication summary
|
307
|
286
|
304
|
276
|
297
|
318
|
290
|
234
|
262
|
93
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 33184 |
95 |
| Texas Instruments Incorporated | 19204 |
85 |
| Infineon Technologies AG | 8656 |
51 |
| Qualcomm Incorporated | 70338 |
44 |
| Siemens AG | 26186 |
41 |
| Murata Manufacturing Co., Ltd. | 20654 |
41 |
| Samsung Electronics Co., Ltd. | 123340 |
36 |
| Huawei Technologies Co., Ltd. | 91672 |
32 |
| Semiconductor Components Industries, L.L.C. | 5336 |
32 |
| NXP USA, Inc. | 4096 |
32 |
| NPX B.V. | 2044 |
31 |
| Phoenix Contact GmbH & Co. KG | 2140 |
29 |
| Analog Devices, Inc. | 3510 |
27 |
| Eaton Intelligent Power Limited | 5853 |
27 |
| International Business Machines Corporation | 63166 |
26 |
| Robert Bosch GmbH | 40323 |
26 |
| Changxin Memory Technologies, Inc. | 3276 |
26 |
| Analog Devices International Unlimited Company | 1570 |
24 |
| General Electric Company | 25191 |
23 |
| Renesas Electronics Corporation | 6555 |
23 |
| Other owners | 2305 |