- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/67 - Preventing unauthorised calls from a telephone set by electronic means
Patent holdings for IPC class H04M 1/67
Total number of patents in this class: 633
10-year publication summary
|
71
|
88
|
61
|
35
|
21
|
26
|
17
|
9
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 59027 |
64 |
| Samsung Electronics Co., Ltd. | 158442 |
54 |
| LG Electronics Inc. | 75855 |
44 |
| Kyocera Corporation | 14423 |
32 |
| Kimips LLC | 30 |
18 |
| Huawei Technologies Co., Ltd. | 124115 |
12 |
| Microsoft Technology Licensing, LLC | 54510 |
12 |
| Firstface Co., Ltd. | 18 |
12 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23463 |
12 |
| Nokia Technologies Oy | 21475 |
10 |
| Raid One IP LLC | 34 |
10 |
| Malikie Innovations Limited | 6397 |
10 |
| Qualcomm Incorporated | 92859 |
8 |
| Sony Corporation | 30111 |
7 |
| NTT DoCoMo, Inc. | 14854 |
7 |
| ZTE Corporation | 44255 |
7 |
| Xiaomi Inc. | 1746 |
7 |
| Global Tel*Link Corporation | 427 |
7 |
| Cell Command, Inc. | 9 |
7 |
| Cloud Byte LLC. | 187 |
7 |
| Other owners | 286 |