- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/408 - Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
Patent holdings for IPC class H04B 1/408
Total number of patents in this class: 30
10-year publication summary
|
3
|
5
|
4
|
2
|
2
|
3
|
2
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intel Corporation | 46681 |
3 |
| Samsung Electronics Co., Ltd. | 154120 |
2 |
| Qualcomm Incorporated | 90374 |
2 |
| Denso Corporation | 25232 |
2 |
| Realtek Semiconductor Corp. | 3432 |
2 |
| Nordic Semiconductor ASA | 638 |
2 |
| Sensanna Incorporated | 21 |
2 |
| BlackBerry Limited | 4975 |
1 |
| Toshiba Corporation | 12695 |
1 |
| Ericsson | 22306 |
1 |
| Fujitsu Limited | 17003 |
1 |
| Texas Instruments Incorporated | 19638 |
1 |
| Huawei Technologies Co., Ltd. | 120453 |
1 |
| NPX B.V. | 2748 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11013 |
1 |
| Socionext Inc. | 1589 |
1 |
| National Chung Shan Institute of Science and Technology | 349 |
1 |
| Starry, Inc. | 15 |
1 |
| China Communication Technology Co.,Ltd. | 172 |
1 |
| Toshiba Electronic Devices & Storage Corporation | 2278 |
1 |
| Other owners | 2 |