- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 9/04 - Arrangements for synchronous operation
Patent holdings for IPC class H04Q 9/04
Total number of patents in this class: 229
10-year publication summary
|
18
|
18
|
29
|
24
|
19
|
16
|
13
|
10
|
11
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 145025 |
31 |
| LG Electronics Inc. | 72737 |
22 |
| Infineon Technologies AG | 8209 |
6 |
| Hyundai Mobis Co., Ltd. | 3138 |
6 |
| Itron, Inc. | 879 |
5 |
| Scientific Drilling International, Inc. | 168 |
4 |
| Qualcomm Incorporated | 84847 |
3 |
| Sony Corporation | 31107 |
3 |
| Continental Teves AG & Co. oHG | 1599 |
3 |
| Diehl Metering SAS | 37 |
3 |
| Diehl Metering Systems GmbH | 87 |
3 |
| Kabushiki Kaisha Yaskawa Denki | 1485 |
3 |
| Micro Motion, Inc. | 1020 |
3 |
| Mueller International, LLC | 717 |
3 |
| VALEO Schalter und Sensoren GmbH | 1524 |
3 |
| Marvell Asia PTE, Ltd. | 6551 |
3 |
| Cavium International | 5063 |
3 |
| Microsoft Corporation | 10305 |
2 |
| Hewlett-Packard Development Company, L.P. | 25910 |
2 |
| Robert Bosch GmbH | 42614 |
2 |
| Other owners | 116 |