- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/60 - Substation equipment, e.g. for use by subscribers including speech amplifiers
Patent holdings for IPC class H04M 1/60
Total number of patents in this class: 2483
10-year publication summary
|
303
|
283
|
269
|
194
|
150
|
119
|
96
|
83
|
73
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 58885 |
166 |
| Samsung Electronics Co., Ltd. | 157946 |
137 |
| Google LLC | 44540 |
65 |
| Qualcomm Incorporated | 92416 |
63 |
| Microsoft Technology Licensing, LLC | 54463 |
48 |
| Bose Corporation | 3092 |
47 |
| Huawei Technologies Co., Ltd. | 123543 |
39 |
| Hewlett-Packard Development Company, L.P. | 25180 |
38 |
| LG Electronics Inc. | 75818 |
36 |
| Ford Global Technologies, LLC | 21524 |
33 |
| Denso Corporation | 25579 |
32 |
| Hyundai Motor Company | 24703 |
32 |
| Sony Corporation | 30158 |
31 |
| GN Hearing A/S | 1364 |
31 |
| Sony Ericsson Mobile Communications AB | 1379 |
30 |
| Amazon Technologies, Inc. | 28118 |
27 |
| Nokia Technologies Oy | 21300 |
27 |
| Motorola Solutions, Inc. | 4584 |
25 |
| Motorola Mobility LLC | 2866 |
24 |
| Plantronics, Inc. | 258 |
20 |
| Other owners | 1532 |