- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/72513 - On-hold, intercom or transfer communication modes
Patent holdings for IPC class H04M 1/72513
Total number of patents in this class: 13
10-year publication summary
|
0
|
1
|
0
|
2
|
0
|
2
|
4
|
6
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Resight, LLC | 12 |
6 |
| Riedel Communications International GmbH | 53 |
3 |
| Toyota Motor North America, Inc. | 533 |
2 |
| Goldtek Technology Co., Ltd. | 15 |
1 |
| Jlak Rothwell Pty Ltd | 2 |
1 |
| Other owners | 0 |