- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 9/12 - Calling by using continuous AC using combinations of frequencies
Patent holdings for IPC class H04Q 9/12
Total number of patents in this class: 7
10-year publication summary
|
2
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Marvell Asia PTE, Ltd. | 6344 |
3 |
| Cavium International | 4774 |
3 |
| Boston Scientific Neuromodulation Corporation | 2465 |
1 |
| Other owners | 0 |