- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/32 - Locking setting devices during transmission to prevent interference by user
Patent holdings for IPC class H04M 1/32
Total number of patents in this class: 5
10-year publication summary
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0
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0
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0
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2
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0
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0
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0
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1
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 50209 |
1 |
| Sony Corporation | 32931 |
1 |
| Fuji Electric Co., Ltd. | 4750 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
1 |
| Nuvia Inc. | 9 |
1 |
| Other owners | 0 |