- 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: 487
10-year publication summary
|
63
|
58
|
85
|
83
|
51
|
41
|
52
|
33
|
42
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 138729 |
68 |
| Casio Computer Co., Ltd. | 3372 |
53 |
| Apple Inc. | 52680 |
43 |
| Seiko Epson Corporation | 18984 |
35 |
| LG Electronics Inc. | 70957 |
19 |
| Nike, Inc. | 13636 |
13 |
| The Swatch Group Research and Development Ltd | 813 |
12 |
| citizen Watch Co., Ltd. | 1070 |
8 |
| Qualcomm Incorporated | 81758 |
7 |
| Google LLC | 40800 |
7 |
| Huawei Technologies Co., Ltd. | 106664 |
6 |
| Garmin Switzerland GmbH | 581 |
6 |
| Lutron Technology Company LLC | 2421 |
6 |
| Sony Corporation | 31550 |
5 |
| Murata Manufacturing Co., Ltd. | 23680 |
5 |
| citizen Holdings Co., Ltd. | 325 |
5 |
| ETA SA Manufacture Horlogere Suisse | 660 |
5 |
| Timex Group USA, Inc. | 155 |
5 |
| Seiko Watch Corporation | 112 |
5 |
| Microsoft Technology Licensing, LLC | 52893 |
4 |
| Other owners | 170 |