- 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: 229
10-year publication summary
|
10
|
7
|
10
|
19
|
25
|
20
|
15
|
12
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60095 |
36 |
| Panasonic Corporation | 20322 |
12 |
| NEC Corporation | 34371 |
10 |
| Qualcomm Incorporated | 81758 |
7 |
| TDK Corporation | 6535 |
6 |
| IBM United Kingdom Limited | 4389 |
6 |
| Mitsubishi Electric Corporation | 44794 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
5 |
| Samsung Electronics Co., Ltd. | 138729 |
4 |
| Nippon Telegraph and Telephone Corporation | 16290 |
4 |
| IBM Deutschland GmbH | 716 |
4 |
| Texas Instruments Incorporated | 19418 |
3 |
| Advantest Corporation | 1843 |
3 |
| Canon Anelva Corporation | 681 |
3 |
| Google LLC | 40800 |
3 |
| ST-Ericsson SA | 530 |
3 |
| Iqm Finland Oy | 152 |
3 |
| Sony Corporation | 31550 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 2890 |
2 |
| Intel Corporation | 46119 |
2 |
| Other owners | 106 |