- 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: 183
10-year publication summary
|
4
|
13
|
10
|
16
|
22
|
16
|
12
|
14
|
15
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84501 |
18 |
| Nippon Telegraph and Telephone Corporation | 17157 |
16 |
| Apple Inc. | 54479 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 27794 |
9 |
| Ericsson | 21593 |
7 |
| NEC Corporation | 35351 |
6 |
| International Business Machines Corporation | 61023 |
5 |
| Texas Instruments Incorporated | 19487 |
5 |
| Huawei Technologies Co., Ltd. | 110995 |
5 |
| Tensorcom, Inc. | 65 |
5 |
| Samsung Electronics Co., Ltd. | 144143 |
4 |
| The Regents of the University of California | 19812 |
3 |
| Panasonic Corporation | 20173 |
3 |
| Intel Corporation | 46699 |
3 |
| Mitsubishi Electric Corporation | 45811 |
3 |
| Futurewei Technologies, Inc. | 3747 |
3 |
| Nokia Corporation | 5802 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11358 |
2 |
| Electronics and Telecommunications Research Institute | 9344 |
2 |
| NPX B.V. | 2498 |
2 |
| Other owners | 71 |