- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/247 - Telephone sets including user guidance or feature selection means facilitating their use
Patent holdings for IPC class H04M 1/247
Total number of patents in this class: 751
10-year publication summary
|
72
|
58
|
46
|
34
|
43
|
30
|
35
|
18
|
18
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14402 |
67 |
| Ultratec, Inc. | 79 |
50 |
| NEC Corporation | 37135 |
44 |
| ZTE Corporation | 44230 |
42 |
| Twilio, Inc. | 658 |
39 |
| Sorenson IP Holdings, LLC | 309 |
32 |
| Apple Inc. | 58995 |
28 |
| Xtone, Inc. | 27 |
22 |
| Nokia Corporation | 4745 |
21 |
| Sony Ericsson Mobile Communications AB | 1371 |
16 |
| ST Portfolio Holdings, LLC | 259 |
15 |
| Huawei Device Co., Ltd. | 2740 |
14 |
| Sharp Kabushiki Kaisha | 18520 |
13 |
| NEC Casio Mobile Communications, Ltd. | 427 |
12 |
| NTT DoCoMo, Inc. | 14827 |
11 |
| Panasonic Corporation | 18896 |
10 |
| Huawei Technologies Co., Ltd. | 123867 |
10 |
| RingCentral, Inc. | 792 |
8 |
| Qualcomm Incorporated | 92725 |
7 |
| Microsoft Technology Licensing, LLC | 54489 |
7 |
| Other owners | 283 |