- All sections
- G - Physics
- G04R - Radio-controlled time-pieces
- G04R 20/02 - Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
Patent holdings for IPC class G04R 20/02
Total number of patents in this class: 205
10-year publication summary
|
27
|
22
|
23
|
24
|
17
|
21
|
11
|
15
|
11
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19673 |
55 |
| Casio Computer Co., Ltd. | 3452 |
32 |
| Nippon Telegraph and Telephone Corporation | 16791 |
7 |
| citizen Watch Co., Ltd. | 1079 |
7 |
| citizen Holdings Co., Ltd. | 301 |
6 |
| Qualcomm Incorporated | 87067 |
5 |
| Sony Semiconductor Solutions Corporation | 10722 |
5 |
| Samsung Electronics Co., Ltd. | 148173 |
3 |
| Huawei Technologies Co., Ltd. | 114620 |
2 |
| Caterpillar Inc. | 9673 |
2 |
| ZTE Corporation | 42831 |
2 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 12906 |
2 |
| Cognitive Systems Corp. | 294 |
2 |
| Garmin Switzerland GmbH | 568 |
2 |
| The MITRE Corporation | 448 |
2 |
| Skydio, Inc. | 434 |
2 |
| Tribalco, LLC | 27 |
2 |
| Autel Robotics Co. Ltd. | 1023 |
2 |
| China Mobile Communications Group Co., Ltd. | 1935 |
2 |
| China Mobile Communication Ltd., Research Institute | 1558 |
2 |
| Other owners | 61 |