- All sections
- G - Physics
- G04R - Radio-controlled time-pieces
- G04R 20/00 - Setting the time according to the time information carried or implied by the radio signal
Patent holdings for IPC class G04R 20/00
Total number of patents in this class: 72
10-year publication summary
|
7
|
7
|
9
|
5
|
3
|
0
|
0
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19851 |
9 |
| Casio Computer Co., Ltd. | 3466 |
8 |
| citizen Watch Co., Ltd. | 1080 |
5 |
| citizen Holdings Co., Ltd. | 289 |
4 |
| Microsoft Technology Licensing, LLC | 54189 |
3 |
| Wearatec, LLC | 6 |
3 |
| Mitsubishi Electric Corporation | 47416 |
2 |
| ZTE Corporation | 43427 |
2 |
| Siemens Industry, Inc. | 1585 |
2 |
| JPMorgan Chase Bank, National Association | 8630 |
2 |
| Wartsila Finland Oy | 747 |
2 |
| Guangdong Lemovt Intelligent Technology Co., Ltd. | 16 |
2 |
| T-Mobile Innovations LLC | 3929 |
2 |
| Apple Inc. | 57314 |
1 |
| LG Electronics Inc. | 74502 |
1 |
| Hitachi Metals, Ltd. | 1933 |
1 |
| Hitachi Kokusai Electric Inc. | 852 |
1 |
| Brother Industries, Ltd. | 12903 |
1 |
| PayPal, Inc. | 4230 |
1 |
| Continental Automotive GmbH | 4667 |
1 |
| Other owners | 19 |