- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/38 - Pulses transmitted by a movement variably limited by the setting of a stop
Patent holdings for IPC class H04M 1/38
Total number of patents in this class: 58
10-year publication summary
|
1
|
2
|
1
|
5
|
1
|
1
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Malikie Innovations Limited | 7703 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Apple Inc. | 50209 |
2 |
| LG Electronics Inc. | 69257 |
2 |
| Sony Corporation | 32931 |
2 |
| Ericsson | 20417 |
2 |
| Kyocera Corporation | 12735 |
2 |
| M31 Technology Corporation | 47 |
2 |
| Rearden, LLC | 116 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Siemens AG | 24990 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| AT&T Intellectual Property I, L.P. | 9886 |
1 |
| NEC Corporation | 32703 |
1 |
| Ericsson AB | 491 |
1 |
| Ericsson Inc. | 41 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
1 |
| Google Technology Holdings LLC | 2658 |
1 |
| Mediatek Inc. | 4584 |
1 |
| ZTE Corporation | 39218 |
1 |
| Other owners | 23 |