- 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: 37
10-year publication summary
|
4
|
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
|
|---|---|---|
| Nokia Siemens Networks GmbH & Co. KG | 513 |
3 |
| Patent Armory Inc. | 15 |
3 |
| Huawei Technologies Co., Ltd. | 110033 |
2 |
| ADC GmbH | 114 |
2 |
| National Instruments Corporation | 790 |
2 |
| Coriant Operations, Inc. | 46 |
2 |
| International Business Machines Corporation | 60753 |
1 |
| Honeywell International Inc. | 13596 |
1 |
| NEC Corporation | 35167 |
1 |
| Toshiba Corporation | 12253 |
1 |
| Micron Technology, Inc. | 26152 |
1 |
| Cisco Technology, Inc. | 19585 |
1 |
| Oracle International Corporation | 12858 |
1 |
| Raytheon Company | 8390 |
1 |
| NTT DoCoMo, Inc. | 12696 |
1 |
| Dell Products L.P. | 13968 |
1 |
| Microsoft Technology Licensing, LLC | 53429 |
1 |
| Board of Trustees of Michigan State University | 1177 |
1 |
| Extreme Networks, Inc. | 749 |
1 |
| IBM United Kingdom Limited | 4361 |
1 |
| Other owners | 9 |