- All sections
- H - Electricity
- H01C - Resistors
- H01C 7/12 - Overvoltage protection resistors; Arresters
Patent holdings for IPC class H01C 7/12
Total number of patents in this class: 765
10-year publication summary
|
49
|
63
|
62
|
69
|
70
|
55
|
44
|
36
|
33
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24565 |
67 |
| DEHN + SÖHNE GmbH + Co. KG | 130 |
39 |
| Phoenix Contact GmbH & Co. KG | 2248 |
26 |
| TDK Electronics AG | 897 |
24 |
| Hubbell Incorporated | 3167 |
23 |
| Siemens Energy Global GmbH & Co. KG | 2829 |
23 |
| Hitachi Energy Ltd. | 2232 |
23 |
| Eaton Intelligent Power Limited | 6300 |
21 |
| Dongguan Littelfuse Electronics Co., Ltd. | 44 |
16 |
| Epcos AG | 732 |
12 |
| Amotech Co., Ltd. | 500 |
12 |
| Murata Manufacturing Co., Ltd. | 23702 |
11 |
| TDK Corporation | 6539 |
10 |
| ABB Schweiz AG | 6632 |
10 |
| Littelfuse, Inc. | 769 |
10 |
| Dehn SE | 155 |
10 |
| ARRIS Enterprises LLC | 3437 |
8 |
| Raycap, S.A. | 35 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6235 |
8 |
| DEHN SE + Co KG | 40 |
8 |
| Other owners | 396 |