- All sections
- G - Physics
- G04G - Electronic time-pieces
- G04G 21/04 - Input or output devices integrated in time-pieces using radio waves
Patent holdings for IPC class G04G 21/04
Total number of patents in this class: 477
10-year publication summary
|
54
|
63
|
58
|
85
|
83
|
51
|
40
|
50
|
31
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
63 |
| Casio Computer Co., Ltd. | 3343 |
52 |
| Apple Inc. | 50209 |
39 |
| Seiko Epson Corporation | 18724 |
35 |
| LG Electronics Inc. | 69257 |
20 |
| Nike, Inc. | 13075 |
13 |
| The Swatch Group Research and Development Ltd | 778 |
12 |
| citizen Watch Co., Ltd. | 1062 |
9 |
| West View Research, LLC | 12 |
8 |
| Qualcomm Incorporated | 76576 |
7 |
| Seiko Instruments Inc. | 660 |
7 |
| Garmin Switzerland GmbH | 586 |
6 |
| Google LLC | 38759 |
6 |
| Lutron Technology Company LLC | 2300 |
6 |
| Sony Corporation | 32931 |
5 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| citizen Holdings Co., Ltd. | 332 |
5 |
| ETA SA Manufacture Horlogere Suisse | 638 |
5 |
| Timex Group USA, Inc. | 157 |
5 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| Other owners | 165 |