- All sections
- H - Electricity
- H03L - Automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses
- H03L 7/23 - Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
Patent holdings for IPC class H03L 7/23
Total number of patents in this class: 187
10-year publication summary
|
19
|
20
|
25
|
13
|
15
|
11
|
5
|
9
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rambus Inc. | 2225 |
10 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47319 |
9 |
| Marvell Asia PTE, Ltd. | 6347 |
8 |
| Telefonaktiebolaget LM Ericsson (publ) | 28616 |
8 |
| Qualcomm Incorporated | 90221 |
7 |
| Mitsubishi Electric Corporation | 47602 |
7 |
| Ericsson | 22292 |
6 |
| Intel Corporation | 46680 |
5 |
| Texas Instruments Incorporated | 19631 |
5 |
| Seiko Epson Corporation | 20013 |
4 |
| Analog Devices, Inc. | 3340 |
4 |
| Novatek Microelectronics Corp. | 1416 |
4 |
| Cavium International | 4765 |
4 |
| Samsung Electronics Co., Ltd. | 153845 |
3 |
| Infineon Technologies AG | 8377 |
3 |
| Huawei Technologies Co., Ltd. | 120098 |
3 |
| NPX B.V. | 2745 |
3 |
| Altera Corporation | 2462 |
3 |
| Ciena Corporation | 2146 |
3 |
| Kandou Labs, S.A. | 333 |
3 |
| Other owners | 85 |