- All sections
- H - Electricity
- H01C - Resistors
- H01C 7/112 - ZnO type
Patent holdings for IPC class H01C 7/112
Total number of patents in this class: 130
10-year publication summary
|
9
|
12
|
7
|
8
|
11
|
11
|
11
|
10
|
10
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 30769 |
20 |
| TDK Electronics AG | 923 |
11 |
| Epcos AG | 711 |
6 |
| Amotech Co., Ltd. | 517 |
6 |
| KYOCERA AVX Components Corporation | 621 |
6 |
| NGK Insulators, Ltd. | 4895 |
4 |
| Hubbell Incorporated | 3218 |
4 |
| ABB Research Ltd. | 896 |
4 |
| KOA Corporation | 415 |
4 |
| Hitachi Energy Ltd. | 2169 |
4 |
| Siemens AG | 24562 |
3 |
| International Business Machines Corporation | 60804 |
3 |
| TDK Corporation | 6653 |
3 |
| Dongguan Littelfuse Electronics Co., Ltd. | 45 |
3 |
| JFE Mineral Company, Ltd. | 62 |
3 |
| Meidensha Corporation | 871 |
3 |
| Otowa Electric Co., Ltd. | 31 |
3 |
| Hitachi Metals, Ltd. | 1990 |
2 |
| Tsinghua University | 5813 |
2 |
| AVX Corporation | 149 |
2 |
| Other owners | 34 |