- All sections
- G - Physics
- G04R - Radio-controlled time-pieces
- G04R 20/04 - Tuning or receivingCircuits therefor
Patent holdings for IPC class G04R 20/04
Total number of patents in this class: 128
10-year publication summary
|
23
|
10
|
13
|
11
|
10
|
5
|
7
|
4
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19478 |
49 |
| Casio Computer Co., Ltd. | 3432 |
32 |
| citizen Watch Co., Ltd. | 1076 |
8 |
| citizen Holdings Co., Ltd. | 304 |
7 |
| Juniper Networks, Inc. | 3737 |
2 |
| GoPro, Inc. | 1986 |
2 |
| Waymo LLC | 3141 |
2 |
| Skylo Technologies, Inc. | 81 |
2 |
| Airbus Operations S.A.S. | 2487 |
1 |
| Verizon Patent And Licensing Inc. | 7126 |
1 |
| ZTE Corporation | 42654 |
1 |
| Nippon Telegraph and Telephone Corporation | 17367 |
1 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1845 |
1 |
| Hook and Time Co., Ltd. | 1 |
1 |
| Hughes Network Systems, LLC | 1294 |
1 |
| Huizhou TCL Mobile Communication Co., Ltd. | 1111 |
1 |
| Raytheon BBN Technologies Corp. | 102 |
1 |
| Shenzhen Great Power Innovation and Technology Enterprise Co., Ltd. | 14 |
1 |
| Smart Energy Instruments Inc. | 6 |
1 |
| ST-Ericsson SA | 530 |
1 |
| Other owners | 12 |