- 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: 209
10-year publication summary
|
23
|
24
|
24
|
17
|
23
|
11
|
16
|
12
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20256 |
55 |
| Casio Computer Co., Ltd. | 3496 |
32 |
| Nippon Telegraph and Telephone Corporation | 15924 |
7 |
| citizen Watch Co., Ltd. | 1087 |
7 |
| citizen Holdings Co., Ltd. | 265 |
6 |
| Qualcomm Incorporated | 92196 |
5 |
| Sony Semiconductor Solutions Corporation | 11577 |
5 |
| Samsung Electronics Co., Ltd. | 157719 |
3 |
| Huawei Technologies Co., Ltd. | 123385 |
2 |
| Caterpillar Inc. | 10267 |
2 |
| ZTE Corporation | 44170 |
2 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14974 |
2 |
| Cognitive Systems Corp. | 313 |
2 |
| Garmin Switzerland GmbH | 556 |
2 |
| The MITRE Corporation | 450 |
2 |
| Skydio, Inc. | 519 |
2 |
| Tribalco, LLC | 27 |
2 |
| Autel Robotics Co. Ltd. | 1071 |
2 |
| China Mobile Communications Group Co., Ltd. | 2330 |
2 |
| China Mobile Communication Ltd., Research Institute | 1841 |
2 |
| Other owners | 65 |