- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 7/16 - Arrangements for interconnection between switching centres in systems employing carrier frequencies
Patent holdings for IPC class H04M 7/16
Total number of patents in this class: 2
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nokia Corporation | 5067 |
1 |
| Nokia Inc. | 1244 |
1 |
| Other owners | 0 |