- All sections
- H - Electricity
- H01B - Cablesconductorsinsulatorsselection of materials for their conductive, insulating or dielectric properties
- H01B 3/12 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
Patent holdings for IPC class H01B 3/12
Total number of patents in this class: 480
10-year publication summary
|
38
|
34
|
32
|
36
|
39
|
22
|
31
|
15
|
17
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24409 |
91 |
| TDK Corporation | 6689 |
41 |
| Kyocera Corporation | 13721 |
30 |
| Skyworks Solutions, Inc. | 3708 |
15 |
| Samsung Electro-mechanics Co., Ltd. | 5560 |
12 |
| NGK Insulators, Ltd. | 4943 |
11 |
| Niterra Co., Ltd. | 1254 |
8 |
| Evolution Engineering Inc. | 301 |
7 |
| Mitsubishi Materials Corporation | 2435 |
7 |
| Hitachi Metals, Ltd. | 1988 |
5 |
| Denka Company Limited | 2545 |
5 |
| Taiyo Yuden Co., Ltd. | 1927 |
5 |
| TDK Electronics AG | 932 |
5 |
| Samsung Electronics Co., Ltd. | 144675 |
4 |
| Epcos AG | 702 |
4 |
| Nippon Electric Glass Co., Ltd. | 2456 |
4 |
| Ohara Inc. | 217 |
4 |
| Shoei Chemical Inc. | 325 |
4 |
| 3m Innovative Properties Company | 17853 |
3 |
| Huawei Technologies Co., Ltd. | 111449 |
3 |
| Other owners | 212 |