- All sections
- H - Electricity
- H04B - Transmission
- H04B 3/42 - Circuits for by-passing of ringing signals
Patent holdings for IPC class H04B 3/42
Total number of patents in this class: 9
10-year publication summary
|
0
|
1
|
5
|
0
|
1
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1
|
1
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CenturyLink Intellectual Property LLC | 1288 |
2 |
| Denso Corporation | 25799 |
1 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 15620 |
1 |
| Microchip Technology Incorporated | 3387 |
1 |
| PPC Broadband, Inc. | 1110 |
1 |
| Soken Inc. | 247 |
1 |
| Marvell Asia PTE, Ltd. | 6249 |
1 |
| Cavium International | 4555 |
1 |
| Other owners | 0 |