- 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: 826
10-year publication summary
|
66
|
72
|
58
|
46
|
34
|
43
|
30
|
35
|
16
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13602 |
71 |
| Ultratec, Inc. | 83 |
53 |
| NEC Corporation | 35167 |
48 |
| ZTE Corporation | 41819 |
42 |
| Twilio, Inc. | 562 |
37 |
| Nokia Corporation | 5866 |
32 |
| Sorenson IP Holdings, LLC | 294 |
31 |
| Apple Inc. | 54162 |
30 |
| Sony Ericsson Mobile Communications AB | 1828 |
25 |
| Xtone, Inc. | 27 |
22 |
| Sharp Kabushiki Kaisha | 18857 |
18 |
| Huawei Device Co., Ltd. | 2755 |
14 |
| ST Portfolio Holdings, LLC | 242 |
14 |
| Panasonic Corporation | 20198 |
12 |
| NEC Casio Mobile Communications, Ltd. | 429 |
12 |
| Huawei Technologies Co., Ltd. | 110033 |
11 |
| NTT DoCoMo, Inc. | 12696 |
11 |
| RingCentral, Inc. | 747 |
8 |
| ST R&dtech, LLC | 69 |
8 |
| Qualcomm Incorporated | 83961 |
7 |
| Other owners | 320 |