- 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: 857
10-year publication summary
|
44
|
66
|
72
|
58
|
46
|
34
|
42
|
30
|
35
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 12735 |
72 |
| NEC Corporation | 32703 |
50 |
| Nokia Corporation | 6965 |
46 |
| Ultratec, Inc. | 78 |
45 |
| ZTE Corporation | 39218 |
42 |
| Twilio, Inc. | 456 |
37 |
| Sony Ericsson Mobile Communications AB | 2014 |
31 |
| Sorenson IP Holdings, LLC | 287 |
31 |
| Apple Inc. | 50209 |
30 |
| Xtone, Inc. | 25 |
20 |
| Sharp Kabushiki Kaisha | 18957 |
19 |
| Huawei Device Co., Ltd. | 2758 |
14 |
| Staton Techiya, LLC | 254 |
14 |
| Panasonic Corporation | 20786 |
12 |
| NEC Casio Mobile Communications, Ltd. | 431 |
12 |
| Nokia Inc. | 2036 |
12 |
| Huawei Technologies Co., Ltd. | 100781 |
11 |
| NTT DoCoMo, Inc. | 11501 |
11 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
9 |
| Qualcomm Incorporated | 76576 |
8 |
| Other owners | 331 |