- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/677 - Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers
Patent holdings for IPC class H04M 1/677
Total number of patents in this class: 51
10-year publication summary
|
7
|
10
|
5
|
5
|
3
|
0
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 50209 |
6 |
| Nokia Technologies Oy | 15057 |
4 |
| Kyocera Corporation | 12735 |
3 |
| BCE Inc. | 431 |
3 |
| Genesys Telecommunications Laboratories, Inc. | 749 |
3 |
| Payfone, Inc. | 72 |
3 |
| Bank of America Corporation | 6495 |
2 |
| Confinement Telephony Technology, LLC | 42 |
2 |
| Senseapp International Ltd. | 2 |
2 |
| Relay, Inc. | 85 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Nokia Corporation | 6965 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| Sanyo Electric Co., Ltd. | 3926 |
1 |
| Verizon Patent And Licensing Inc. | 6900 |
1 |
| Motorola, Inc. | 2873 |
1 |
| HTC Corporation | 2219 |
1 |
| AirWatch LLC | 472 |
1 |
| Anagog Ltd. | 41 |
1 |
| Other owners | 11 |