- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/10 - Providing fault- or trouble-signals
Patent holdings for IPC class H04M 3/10
Total number of patents in this class: 19
10-year publication summary
|
3
|
3
|
1
|
2
|
1
|
0
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| British Telecommunications Public Limited Company | 2602 |
4 |
| Sony Corporation | 30397 |
2 |
| AtHoc, Inc. | 30 |
2 |
| Kone Oyj | 2124 |
2 |
| Samsung Electronics Co., Ltd. | 153845 |
1 |
| Microsoft Technology Licensing, LLC | 54242 |
1 |
| Nippon Telegraph and Telephone Corporation | 15997 |
1 |
| Mitel Networks Corporation | 61 |
1 |
| NEC Platforms, Ltd. | 1066 |
1 |
| Sagemcom Broadband SAS | 477 |
1 |
| Avago Technologies International Sales Pte. Limited | 8613 |
1 |
| Avoxi, Inc. | 10 |
1 |
| Revenue Acquisition LLC | 2 |
1 |
| Other owners | 0 |