- All sections
- H - Electricity
- H01B - Cables; conductors; insulators; selection 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: 523
10-year publication summary
|
29
|
50
|
47
|
52
|
38
|
26
|
26
|
38
|
17
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14131 |
62 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
58 |
| AutoNetworks Technologies, Ltd. | 5809 |
54 |
| Dow Global Technologies LLC | 10147 |
19 |
| Kyushu University, National University Corporation | 1572 |
19 |
| Prysmian S.p.A. | 846 |
16 |
| Yazaki Corporation | 6282 |
12 |
| Novinium, LLC | 106 |
12 |
| Nexans | 588 |
11 |
| The Furukawa Electric Co., Ltd. | 3486 |
8 |
| LS Cable & System Ltd. | 311 |
8 |
| Schlumberger Technology Corporation | 9690 |
7 |
| General Cable Technologies Corporation | 415 |
7 |
| Shore Acres Enterprises Inc. | 26 |
6 |
| Halliburton Energy Services, Inc. | 20165 |
5 |
| Novinium, Inc. | 22 |
5 |
| JXTG Nippon Oil & Energy Corporation | 325 |
5 |
| Jiangsu Favored Nanotechnology Co., LTD | 145 |
5 |
| Siemens AG | 24990 |
4 |
| NV Bekaert SA | 750 |
4 |
| Other owners | 196 |