- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/652 - Means for playing back the recorded messages by remote control over a telephone line
Patent holdings for IPC class H04M 1/652
Total number of patents in this class: 11
10-year publication summary
|
1
|
1
|
2
|
0
|
0
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0
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| eBay Inc. | 3483 |
5 |
| Wilmington Savings Fund Society, FSB | 345 |
2 |
| Panasonic Corporation | 18951 |
1 |
| Delphi Technologies, Inc. | 367 |
1 |
| Huawei Device Co., Ltd. | 2740 |
1 |
| Essence Security International (E.S.I) LTD. | 108 |
1 |
| Other owners | 0 |