- All sections
- H - Electricity
- H01B - Cablesconductorsinsulatorsselection of materials for their conductive, insulating or dielectric properties
- H01B 3/52 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials woodInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials paperInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials pressboard
Patent holdings for IPC class H01B 3/52
Total number of patents in this class: 84
10-year publication summary
|
5
|
8
|
7
|
5
|
4
|
8
|
3
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Aramid B.V. | 169 |
6 |
| Siemens AG | 24299 |
5 |
| Hitachi Energy Ltd. | 2430 |
5 |
| 3m Innovative Properties Company | 17565 |
3 |
| Prysmian S.p.A. | 908 |
3 |
| Sabic Innovative Plastics IP B.V. | 662 |
2 |
| Schaeffler Technologies AG & Co. KG | 10629 |
2 |
| Asta Elektrodraht GmbH | 16 |
2 |
| Coveme SpA | 38 |
2 |
| DuPont Teijin Advanced Papers (Japan), Ltd. | 32 |
2 |
| Huntsman Advanced Materials Licensing (Switzerland) GmbH | 41 |
2 |
| Kolon Industries, Inc. | 1753 |
2 |
| LS Cable & System Ltd. | 401 |
2 |
| Tokushu Tokai Paper Co., Ltd. | 37 |
2 |
| Ahlstrom Oyj | 185 |
2 |
| DuPont Safety & Construction, Inc. | 665 |
2 |
| Nutrition & Biosciences USA 4, Inc. | 231 |
2 |
| Innomotics GmbH | 565 |
2 |
| E. I. du Pont de Nemours and Company | 3738 |
1 |
| Toyota Motor Corporation | 34274 |
1 |
| Other owners | 34 |