- All sections
- H - Electricity
- H03D - Demodulation or transference of modulation from one carrier to another
- H03D 7/12 - Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
Patent holdings for IPC class H03D 7/12
Total number of patents in this class: 180
10-year publication summary
|
4
|
13
|
10
|
16
|
22
|
16
|
12
|
14
|
15
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 82009 |
18 |
| Nippon Telegraph and Telephone Corporation | 16380 |
16 |
| Telefonaktiebolaget LM Ericsson (publ) | 27426 |
9 |
| Apple Inc. | 52845 |
8 |
| Ericsson | 21171 |
7 |
| NEC Corporation | 34467 |
6 |
| International Business Machines Corporation | 60178 |
5 |
| Texas Instruments Incorporated | 19447 |
5 |
| Huawei Technologies Co., Ltd. | 106915 |
5 |
| Tensorcom, Inc. | 65 |
5 |
| Samsung Electronics Co., Ltd. | 139302 |
4 |
| Panasonic Corporation | 20313 |
3 |
| Intel Corporation | 46153 |
3 |
| Mitsubishi Electric Corporation | 44904 |
3 |
| Futurewei Technologies, Inc. | 3728 |
3 |
| The Regents of the University of California | 19544 |
2 |
| Nokia Corporation | 6149 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11114 |
2 |
| Electronics and Telecommunications Research Institute | 9037 |
2 |
| NPX B.V. | 2374 |
2 |
| Other owners | 70 |