- All sections
- G - Physics
- G04R - Radio-controlled time-pieces
- G04R 20/04 - Tuning or receiving; Circuits therefor
Patent holdings for IPC class G04R 20/04
Total number of patents in this class: 125
10-year publication summary
26
|
23
|
10
|
13
|
11
|
10
|
4
|
7
|
4
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Seiko Epson Corporation | 18724 |
51 |
Casio Computer Co., Ltd. | 3343 |
31 |
citizen Watch Co., Ltd. | 1062 |
8 |
citizen Holdings Co., Ltd. | 332 |
7 |
Juniper Networks, Inc. | 3556 |
2 |
GoPro, Inc. | 1915 |
2 |
Waymo LLC | 2816 |
2 |
Airbus Operations S.A.S. | 2407 |
1 |
ZTE Corporation | 39218 |
1 |
Nippon Telegraph and Telephone Corporation | 14195 |
1 |
Hook and Time Co., Ltd. | 1 |
1 |
Hughes Network Systems, LLC | 1098 |
1 |
Huizhou TCL Mobile Communication Co., Ltd. | 1085 |
1 |
Raytheon BBN Technologies Corp. | 407 |
1 |
Shenzhen Great Power Innovation and Technology Enterprise Co., Ltd. | 14 |
1 |
Smart Energy Instruments Inc. | 6 |
1 |
ST-Ericsson SA | 530 |
1 |
u-blox AG | 209 |
1 |
Xi'an Jiaotong University | 579 |
1 |
Skylo Technologies, Inc. | 69 |
1 |
Other owners | 9 |