- All sections
- H - Electricity
- H03D - Demodulation or transference of modulation from one carrier to another
- H03D 7/00 - Transference of modulation from one carrier to another, e.g. frequency-changing
Patent holdings for IPC class H03D 7/00
Total number of patents in this class: 234
10-year publication summary
|
10
|
7
|
10
|
19
|
25
|
20
|
15
|
13
|
9
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 61210 |
36 |
| Panasonic Corporation | 20124 |
12 |
| NEC Corporation | 35619 |
8 |
| Qualcomm Incorporated | 85183 |
7 |
| TDK Corporation | 6720 |
6 |
| IBM United Kingdom Limited | 4352 |
6 |
| Mitsubishi Electric Corporation | 46037 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
5 |
| Nippon Telegraph and Telephone Corporation | 17337 |
5 |
| Samsung Electronics Co., Ltd. | 145864 |
4 |
| Google LLC | 42135 |
4 |
| IBM Deutschland GmbH | 775 |
4 |
| Texas Instruments Incorporated | 19468 |
3 |
| Huawei Technologies Co., Ltd. | 112316 |
3 |
| Advantest Corporation | 1824 |
3 |
| Canon Anelva Corporation | 687 |
3 |
| ST-Ericsson SA | 530 |
3 |
| Iqm Finland Oy | 183 |
3 |
| Sony Corporation | 31065 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 1555 |
2 |
| Other owners | 110 |