- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 1/28 - Current-supply circuits or arrangements for selection equipment at exchanges
Patent holdings for IPC class H04Q 1/28
Total number of patents in this class: 43
10-year publication summary
|
9
|
4
|
6
|
2
|
5
|
5
|
4
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9352 |
13 |
| CommScope Technologies LLC | 3237 |
4 |
| Elbex Video Ltd. | 99 |
2 |
| Mc10, Inc. | 69 |
2 |
| Xiber, LLC | 12 |
2 |
| TJ Innovation Co., Ltd. | 8 |
2 |
| LG Electronics Inc. | 72890 |
1 |
| International Business Machines Corporation | 61198 |
1 |
| Huawei Technologies Co., Ltd. | 112134 |
1 |
| RPX Corporation | 1351 |
1 |
| BAE SYSTEMS plc | 2337 |
1 |
| Cellphone-Mate, Inc. | 50 |
1 |
| Elbex America (N.Y.) Inc. | 24 |
1 |
| Institute of Acoustics, Chinese Academy of Sciences | 102 |
1 |
| LS Cable & System Ltd. | 378 |
1 |
| Microchip Technology Incorporated | 2857 |
1 |
| Nanning Fugui Precision Industrial Co., Ltd. | 154 |
1 |
| Signify Holding B.V. | 7521 |
1 |
| CommScope Design & Integration UK Limited | 8 |
1 |
| CE+T Power Luxembourg S.A. | 9 |
1 |
| Other owners | 4 |