- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/658 - Means for redirecting recorded messages to other extensions or equipment
Patent holdings for IPC class H04M 1/658
Total number of patents in this class: 35
10-year publication summary
|
5
|
4
|
4
|
3
|
1
|
0
|
2
|
1
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Callyo 2009 Corp. | 43 |
5 |
| Qwest Communications International Inc. | 179 |
5 |
| CenturyLink Intellectual Property LLC | 1130 |
4 |
| After the Tone, LLC | 17 |
4 |
| 8x8, Inc. | 398 |
2 |
| Applied Voice & Speech Technologies, Inc. | 14 |
2 |
| Vonage Business Inc. | 171 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Microsoft Technology Licensing, LLC | 51439 |
1 |
| Bombardier Transportation GmbH | 682 |
1 |
| Spreadtrum Communications (Shanghai) Co., Ltd. | 1085 |
1 |
| VOX Solucoes EM Telecomunicacoes e Informatica Ltda EPP | 1 |
1 |
| Yulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd. | 1240 |
1 |
| NXP B.V. | 2185 |
1 |
| XMedius | 1 |
1 |
| 3N Co., Ltd | 5 |
1 |
| Ninja Message Pty Ltd | 1 |
1 |
| Other owners | 0 |