- All sections
- H - Electricity
- H01B - Cablesconductorsinsulatorsselection of materials for their conductive, insulating or dielectric properties
- H01B 7/28 - Protection against damage caused by external factors, e.g. sheaths or armouring by moisture, corrosion, chemical attack or weather
Patent holdings for IPC class H01B 7/28
Total number of patents in this class: 558
10-year publication summary
|
45
|
41
|
51
|
34
|
25
|
25
|
40
|
20
|
19
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15535 |
65 |
| Sumitomo Wiring Systems, Ltd. | 10394 |
60 |
| AutoNetworks Technologies, Ltd. | 6618 |
56 |
| Dow Global Technologies LLC | 10371 |
19 |
| Kyushu University, National University Corporation | 1655 |
19 |
| Prysmian S.p.A. | 885 |
17 |
| Nexans | 619 |
14 |
| Yazaki Corporation | 6713 |
12 |
| Novinium, LLC | 96 |
10 |
| LS Cable & System Ltd. | 377 |
9 |
| Schlumberger Technology Corporation | 10802 |
8 |
| The Furukawa Electric Co., Ltd. | 3670 |
8 |
| General Cable Technologies Corporation | 393 |
7 |
| Shore Acres Enterprises Inc. | 27 |
6 |
| Jiangsu Favored Nanotechnology Co., LTD | 162 |
6 |
| Halliburton Energy Services, Inc. | 20924 |
5 |
| Novinium, Inc. | 22 |
5 |
| NV Bekaert SA | 745 |
5 |
| JXTG Nippon Oil & Energy Corporation | 323 |
5 |
| Jiangsu Hengtong Power Cable Co.,Ltd | 19 |
5 |
| Other owners | 217 |