- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
Patent holdings for IPC class H02H 9/02
Total number of patents in this class: 1668
10-year publication summary
|
155
|
141
|
128
|
143
|
154
|
150
|
130
|
124
|
106
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
40 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
33 |
| Texas Instruments Incorporated | 19376 |
30 |
| ABB Schweiz AG | 6321 |
28 |
| Mitsubishi Electric Corporation | 43934 |
26 |
| Eaton Intelligent Power Limited | 6113 |
24 |
| Rohm Co., Ltd. | 5843 |
23 |
| Littelfuse, Inc. | 758 |
22 |
| Hamilton Sundstrand Corporation | 4525 |
20 |
| Infineon Technologies AG | 8189 |
17 |
| Huawei Technologies Co., Ltd. | 100781 |
17 |
| Rolls-Royce PLC | 2944 |
15 |
| Sumitomo Electric Industries, Ltd. | 14131 |
13 |
| Yazaki Corporation | 6282 |
13 |
| Phoenix Contact GmbH & Co. KG | 2202 |
13 |
| Polytronics Technology Corp. | 74 |
13 |
| Infineon Technologies Austria AG | 1954 |
11 |
| Semiconductor Components Industries, L.L.C. | 5345 |
11 |
| Fuji Electric Co., Ltd. | 4750 |
11 |
| ARC Suppression Technologies | 40 |
11 |
| Other owners | 1277 |