- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 5/24 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
Patent holdings for IPC class H04Q 5/24
Total number of patents in this class: 38
10-year publication summary
|
2
|
1
|
2
|
4
|
4
|
2
|
6
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hytera Communications Corp., Ltd. | 125 |
5 |
| ABB Technology Ltd | 453 |
4 |
| ZTE Corporation | 43386 |
3 |
| Shenzhen Wisdom Science and Technology Co., Ltd. | 22 |
2 |
| Nokia Technologies Oy | 19787 |
1 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 13740 |
1 |
| Goertek Inc. | 2725 |
1 |
| le Shi Zhi Xin Electronic Technology (Tianjin) Limited | 482 |
1 |
| Rugged Race Products, Inc. | 12 |
1 |
| Shenzhen Wistek Energy Co., Ltd. | 4 |
1 |
| TeleCommunication Systems, Inc. | 226 |
1 |
| Tencent Technology (Shenzhen) Company Limited | 15501 |
1 |
| Hytera Communications Corporation Limited | 401 |
1 |
| Audfly Technology (Suzhou) Co., Ltd | 23 |
1 |
| GLARIE Elevator Co. Ltd. | 16 |
1 |
| Zipp Labs B.V. | 7 |
1 |
| Shenzhen Jiuzhou Himunication Technology Co., Ltd | 7 |
1 |
| AI Speech Co., Ltd. | 42 |
1 |
| Bangyan Technology Co., Ltd. | 65 |
1 |
| Hesvit Health Technology Company Limited | 40 |
1 |
| Other owners | 8 |