- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 3/545 - Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
Patent holdings for IPC class H04Q 3/545
Total number of patents in this class: 31
10-year publication summary
|
3
|
2
|
4
|
6
|
1
|
1
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Patent Armory Inc. | 15 |
3 |
| Huawei Technologies Co., Ltd. | 113491 |
2 |
| National Instruments Corporation | 771 |
2 |
| Coriant Operations, Inc. | 46 |
2 |
| Honeywell International Inc. | 13554 |
1 |
| NEC Corporation | 35879 |
1 |
| Toshiba Corporation | 12397 |
1 |
| Micron Technology, Inc. | 26164 |
1 |
| Cisco Technology, Inc. | 21965 |
1 |
| Oracle International Corporation | 12988 |
1 |
| Raytheon Company | 8387 |
1 |
| NTT DoCoMo, Inc. | 13250 |
1 |
| Dell Products L.P. | 14624 |
1 |
| Microsoft Technology Licensing, LLC | 53854 |
1 |
| Board of Trustees of Michigan State University | 1188 |
1 |
| Extreme Networks, Inc. | 745 |
1 |
| Jrd Communication Inc. | 159 |
1 |
| Level 3 Communications, LLC | 1268 |
1 |
| Nokia Siemens Networks GmbH & Co. KG | 444 |
1 |
| T-Mobile USA, Inc. | 4157 |
1 |
| Other owners | 6 |