- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 1/30 - Signalling arrangementsManipulation of signalling currents
Patent holdings for IPC class H04Q 1/30
Total number of patents in this class: 133
10-year publication summary
|
4
|
3
|
3
|
2
|
2
|
0
|
0
|
0
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157557 |
4 |
| Amazon Technologies, Inc. | 28066 |
4 |
| American Messaging Services, LLC | 18 |
4 |
| GM Global Technology Operations LLC | 16106 |
3 |
| Nike, Inc. | 14799 |
3 |
| Immersion Corporation | 518 |
3 |
| International Business Machines Corporation | 62621 |
2 |
| Cisco Technology, Inc. | 22491 |
2 |
| Denso Corporation | 25513 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
2 |
| Huawei Technologies Co., Ltd. | 123282 |
2 |
| Aiphone Co., Ltd. | 68 |
2 |
| Impinj, Inc. | 323 |
2 |
| Premier Manufacturing Group, Inc. | 50 |
2 |
| STMicroelectronics International N.V. | 4148 |
2 |
| TPG Specialty Lending, Inc. | 28 |
2 |
| Olibra LLC | 29 |
2 |
| Baker Hughes, a GE Company, LLC | 2057 |
2 |
| Block, Inc., The | 1674 |
2 |
| Kyndryl, Inc. | 3210 |
2 |
| Other owners | 84 |