- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/30 - Devices which can set up and transmit only one digit at a time
Patent holdings for IPC class H04M 1/30
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
|
|---|---|---|
| Sony Ericsson Mobile Communications AB | 1467 |
1 |
| Thomson Licensing | 3266 |
1 |
| Other owners | 0 |