- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/215 - Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
Patent holdings for IPC class H04M 1/215
Total number of patents in this class: 44
10-year publication summary
|
6
|
6
|
7
|
5
|
7
|
7
|
5
|
3
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Red Tail Hawk Corporation | 25 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Qualcomm Incorporated | 76576 |
3 |
| Lisnr, Inc. | 42 |
2 |
| Vaportronix, LLC | 3 |
2 |
| The Runningman UK Ltd | 5 |
2 |
| Apple Inc. | 50209 |
1 |
| BlackBerry Limited | 5958 |
1 |
| Google Inc. | 4362 |
1 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Alibaba Group Holding Limited | 7149 |
1 |
| Sharp Corporation | 10015 |
1 |
| PayPal, Inc. | 3804 |
1 |
| Trimble Navigation Limited | 701 |
1 |
| Nokia Technologies Oy | 15057 |
1 |
| DSP Group Ltd. | 169 |
1 |
| Jacoti BVBA | 13 |
1 |
| Seattle Children's Hospital (dba Seattle Children's Research Institute) | 181 |
1 |
| ULTRA Proizvodnja elektronskih naprav d.o.o. | 4 |
1 |
| Universal Electronics Inc. | 687 |
1 |
| Other owners | 12 |